Re: [meteorite-list] Re:Hypersonic wind tunnel testing?
Elton and Tom, I agree with Elton in saying that to set something up in a real wind tunnel would be a really difficut to actually acquire free time in such a facility. Maybe someone would volunteer a facility to do so. The ideal way to do it would be get some engineer (mechanical, aeronautical, etc) who has access to CFD modeling (or computational fluid dynamics) to set up a model using different shapes of oriented meteorites and/or nosecones. The difficult part of setting up such a model would be describing the piece in CAD (computer aided drafting) so that the model could build a calculation grid around it. However the combination of CAD skills and someone proficient in CFD would easily get to some great information on a fairly tranquil state of the last stages of an ideal meteor fall. One would have to assume a stabilized flight to see the velocity vectors, forces, temperatures possibly, etc. that occur around oriented flight. Throw spin into the picture...WOW! would that get complicated. Being a mechanical consulting engineer and an ex-user of CFD (Fluent software from 1989 to 1996), I can only imagine the staggering variations in conditions that an actual meteorite really sees as it comes through the ever- changing atmosphere...let alone the chaotic changes that occur as a odd looking rock begins to melt to almost nothing. Then there are the breakups that typically occur...Good Luck modeling the real thing. We'd be better off throwing big rocks out the window of the shuttle, and following there path and destruction back to Earth. If I had access to the software needed, I'd probably try to demonstrate a couple flight scenarios. Sad to say (in some ways) I don't use it anymore...too expensive!!! send me some software for free and I'll work on it. Maybe someday??? someone will do something like this as part of a meteoritic science research project using CFD and a wind tunnel. John IMCA 2006 I am aware of three remotely related stories. 1. A test was conducted to replicate features on a tektite-- forming a tektite-like button in a blow torch stream. This resulted in a flange, not unlike the australites. 2. Nininger noted that from the Esterville fall there were several oriented shuttlecock shaped projectiles which he surmised was an ideal nose cone shape for aerodynamic stability. It was reported that he repeatedly submitted this to NASA who repeatedly ignored him. After extensive testing involving high time and cost expenses, NASA found that in large Harvey was right. If I recall correctly several rockets including the Thor carried that stubby nose cone design. 3. About 3 years ago, a (European?) return package from orbit had 3-4 sample minerals embedded in the surface exposed to full re-entry heating. One of which was dolomite which would perhaps represent an Earth Meteorite. Unfortunately that sample did not stay attached to the capsule. Obligatory ramblings-- Speaking of testing. As to getting a test done, you flatter Ron and Bob. Unlike TV and Hollywood, rarely are tests done willy-nilly in the catagory of to see what happens. There has to be a reason, a need, a scientific payoff, a researcher, facility time, a saftey report, yada yada yada and not least-- a budget. (See number 2 above) Is isn't anything like Hollywood where , 3 key strokes on a IBM PC will answer the most inane question a character could think request , such as search a world database of one-eye'd, left handed, chess players making the top 10 suspects appear.( One the other hand if you have a Macintosh and the brain power of this list..anything might be possible~!) Elton Tom aka James Knudson wrote: Hello List, I was wondering if anyone has done hypersonic wind tunnel testing on orientated meteorites? __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] formation of pallasites / mesosiderites
Hi Robert and all, I don't think there is an easy answer for the formation of these two types of stony-iron meteorites and it is apparent that those that study them also think there is some mysteries to be solved. What is known are the cooling rates to form such stony-irons. No doubt the Pallasites formed from at least two different parent bodies and the messosiderites formed from a different parent body all together (unless they come from the same parent body and are found at a different depth?). Cooling rates for pallasites seem to be from 2 million year to about 10 million. The messosiderites seem to have cooled in .2 to .7 million. Now comes the tricky part. A group from the University of Denmark (Henning Haack) explored the thermal effects of asteroids and more specifically regoliths on asteroid surfaces. What they found was that asteroids with a powered regolith makes a good insulator. It is possible to have an asteroid cool ten times slower than an asteroid with no covering (and be tens times smaller for the same cooling rate) and might answer your question do pallasites come from a lower gravity asteroid. It is suggested that the pallasites probably come from a body the size of less than 100 km. It is thought that they are related to the IIIAB iron meteorites. It is thought that a possible filtering in of metal around the olivine crystals could have occurred but would have had to happen after the main core had mostly solidified. The later filtering effect is shown by the pallasite metal has a more highly fractionated composition which seems to plot along the IIIAB iron's latest crystallizing age. How this filtering happen is somewhat of a mystery. Is it a result of impact submerging the olivine in the liquid core or forcing the liquid metal up into the olivine crystals? Since there are two parent bodies of the pallasites it isn't an isolated occurrence. McSween says that because of the drastic differences between densities of iron and silicated materials, it is not obvious how core and mantle became intermixed. The Mesosiderite parent body has an even more complexed history. One suggestion is a collision with a iron asteroid hitting an asteroid with silicated material and intermixing. There is some resemblance of the HED Asteroid and the mesosiderites. Could this be one of the impacted parent bodies or perhaps a fragment from the HED asteroid? A-type asteroids thought to be possible parent planets of the pallasites (such as asteroid 246 Asporina) from spectra taken by astronomers and plot nicely along the stony-iron chemical make up. Even with all that is know there are no doubt some misleading items that may later prove to be wrong like the relationship of the IIIAB iron meteorites with the pallasites and even the cooling rates. Because of the maltitude of variations in different asteroids and asteroid make up, it is possible for material to have formed in different sized asteroids at different depths but under similar conditions and make answering the questions about stony-iron make up hard. With time new clues may tell us more about the make up of these interesting meteorites and their parent planet asteroids. A good reading source (and where I picked up a lot of my information) is Meteorites and Their Parent Planets by Harry Y. McSween Jr. In chapter 7 of his second edition book he addresses the possible formation of the iron and stony-iron meteorites. All my best and hope I shed some light. --AL Mitterling __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] formation of pallasites / mesosiderites
Al and Robert, I too doubt that we have most of the answers for the stoney-irons. (It is a lot easier to say that than something complex like Al and Robert did.) Al, Good job...you should have edited for Harry...he used a lot more words to say the same things. Actually, his book is very fascinating for the reader who can hang in there and go slowly. Please don't ask me to model these two stories in CFD! John Hi Robert and all, I don't think there is an easy answer for the formation of these two types of stony-iron meteorites and it is apparent that those that study them also think there is some mysteries to be solved. What is known are the cooling rates to form such stony-irons. No doubt the Pallasites formed from at least two different parent bodies and the messosiderites formed from a different parent body all together (unless they come from the same parent body and are found at a different depth?). Cooling rates for pallasites seem to be from 2 million year to about 10 million. The messosiderites seem to have cooled in .2 to .7 million. Now comes the tricky part. A group from the University of Denmark (Henning Haack) explored the thermal effects of asteroids and more specifically regoliths on asteroid surfaces. What they found was that asteroids with a powered regolith makes a good insulator. It is possible to have an asteroid cool ten times slower than an asteroid with no covering (and be tens times smaller for the same cooling rate) and might answer your question do pallasites come from a lower gravity asteroid. It is suggested that the pallasites probably come from a body the size of less than 100 km. It is thought that they are related to the IIIAB iron meteorites. It is thought that a possible filtering in of metal around the olivine crystals could have occurred but would have had to happen after the main core had mostly solidified. The later filtering effect is shown by the pallasite metal has a more highly fractionated composition which seems to plot along the IIIAB iron's latest crystallizing age. How this filtering happen is somewhat of a mystery. Is it a result of impact submerging the olivine in the liquid core or forcing the liquid metal up into the olivine crystals? Since there are two parent bodies of the pallasites it isn't an isolated occurrence. McSween says that because of the drastic differences between densities of iron and silicated materials, it is not obvious how core and mantle became intermixed. The Mesosiderite parent body has an even more complexed history. One suggestion is a collision with a iron asteroid hitting an asteroid with silicated material and intermixing. There is some resemblance of the HED Asteroid and the mesosiderites. Could this be one of the impacted parent bodies or perhaps a fragment from the HED asteroid? A-type asteroids thought to be possible parent planets of the pallasites (such as asteroid 246 Asporina) from spectra taken by astronomers and plot nicely along the stony-iron chemical make up. Even with all that is know there are no doubt some misleading items that may later prove to be wrong like the relationship of the IIIAB iron meteorites with the pallasites and even the cooling rates. Because of the maltitude of variations in different asteroids and asteroid make up, it is possible for material to have formed in different sized asteroids at different depths but under similar conditions and make answering the questions about stony-iron make up hard. With time new clues may tell us more about the make up of these interesting meteorites and their parent planet asteroids. A good reading source (and where I picked up a lot of my information) is Meteorites and Their Parent Planets by Harry Y. McSween Jr. In chapter 7 of his second edition book he addresses the possible formation of the iron and stony-iron meteorites. All my best and hope I shed some light. --AL Mitterling __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] AD-SPADE slices for sale
Hi Listees: Here is my offering of this new beauty.Funny... we purchased the Spade meteorite from the finder the day AFTER the Park Forest fall (which is why I wasn't at the PF fall site). The slices listed below are priced at ~5.00/g, on the low end of the impact melt price range so you can get a bigger piece for the $$$: 614 gram end piece $3000.00. A really spectacular piece and the largest available outside the main mass. Fully crusted back side, except where a sample was removed for analysis, and thin for an end piece. 14cm X 15cm X 1cm. http://www.mhmeteorites.com/images/spade/614-end.jpg 261 gram complete slice (except where sample was removed for analysis). 12.5cm X 14cm X 4mm $1305.00 http://www.mhmeteorites.com/images/spade/261.jpg 256 gram complete slice (except where sample was removed for analysis). 14cm X 15cm X 3mm. $1280.00 http://www.mhmeteorites.com/images/spade/256.jpg 146 gram part slice with crust. 8.5 cm X 7.5cm X 5mm $730.00 http://www.mhmeteorites.com/images/spade/146.jpg 56 gram part slice with crust. 7cm X 4cm X 5mm $280.00 (ON HOLD) http://www.mhmeteorites.com/images/spade/56.jpg 40 gram part slice with crust. 4.5 cm X 4cm X 5mm $200.00 http://www.mhmeteorites.com/images/spade/40.jpg 34 gram part slice with crust. 5cm X 3cm X 5mm $170.00 http://www.mhmeteorites.com/images/spade/34.jpg 22 gram part slice with crust. 4.5 cm X 2.5 cm X 5mm $110.00 http://www.mhmeteorites.com/images/spade/22.jpg 21 gram part slice with crust. 4.5 cm X 3cm X 5mm $105.00 http://www.mhmeteorites.com/images/spade/21.jpg 20 gram part slice with crust. 3.3 cm X 3 cm X 5mm $100.00 http://www.mhmeteorites.com/images/spade/20.jpg 19 gram part slice no crust. 4 cm X2 cm X 5mm $95.00 http://www.mhmeteorites.com/images/spade/19.jpg 18 gram part slice no crust. 4 cm X 2 cm X 5mm $90.00 http://www.mhmeteorites.com/images/spade/18.jpg 16 gram part slice with crust. 3 cm X 2.2 cm X 5mm. $80.00 http://www.mhmeteorites.com/images/spade/16.jpg 15 gram part slice no crust. 3.2 cm X 2.5 cm X 5mm. $75.00 http://www.mhmeteorites.com/images/spade/15.jpg 15(b) gram part slice with no crust. 3.2 cm X 2.5 cm X 5mm. $75.00 http://www.mhmeteorites.com/images/spade/15-b.jpg 10 gram part slice with no crust. 2.4 cm X 1.6 cm X 5mm. $50.00 http://www.mhmeteorites.com/images/spade/10.jpg 9 gram part slice with no crust. 2.8 cm X 1.4 cm X 5mm. $45.00 http://www.mhmeteorites.com/images/spade/9.jpg 8 gram part slice with no crust. 1.6 cm X 2 cm X 5mm. $40.00 http://www.mhmeteorites.com/images/spade/8.jpg 4 gram part slice with no crust. 1.2 cm X 1.5 cm X 5mm. $20.00 http://www.mhmeteorites.com/images/spade/4.jpg Thanks, Matt Morgan Mile High Meteorites http://www.mhmeteorites.com
[meteorite-list] Dawn's Early Light - Newsletter of the Dawn Mission To Ceres and Vesta
http://www-ssc.igpp.ucla.edu/dawn/newsletter/html/20030822/ Dawn's Early Light Volume 2, Issue 2 August 2003 Dawn Status Christopher T. Russell Dawn Principal Investigator, UCLA The Dawn mission is presently in the formulation phase, preparing to demonstrate at its Preliminary Design Review (PDR) that it is ready to proceed with the implementation phase. As part of the preparation for PDR, design reviews of four of the five scientific instruments have been completed, (Visible and Infrared Mapping Spectrometer - VIR; Gamma Ray and Neutron Detector - GRaND; magnetometer, and laser altimeter). All instruments passed their reviews with flying colors. The review of the fifth instrument, the framing camera, will take place in September. Much of the work on the camera will now take place at the Max Planck Institut fur Aeronomie (MPAe) in Katlenburg-Lindau. In conjunction with the new division of labor, Dawn welcomes two new members from MPAe to its science team, Uwe Keller, who will lead the camera development and Uli Christensen, MPAe Director, who will assist with the science planning and analysis. This summer we also completed testing of the solar cells that will power the Dawn spacecraft and its ion propulsion system. Mission success depends greatly on the efficiency of these cells. When the spacecraft journeys away from the Sun, the illumination drops and the arrays cool. The cooler arrays are more efficient, compensating somewhat for the drop in illumination, but the combined effects have not previously been well characterized. Since most outer solar system missions have used radioactive thermal generators, the data on this low intensity, low temperature effect (LILT) is sparse. Fortunately, our LILT testing confirmed the efficiencies that were assumed when Dawn was proposed to NASA. The project opted to add a fifth solar panel to each wing to increase Dawn's power margin at Ceres (at which time the spacecraft could reach 2.9 AU). The project has also been asked to increase its financial reserve, necessitating other mission trades and descopes. Since the mission is well along in its design phase, there are limited options to do this. Our optimized solution to meet this challenge is to launch on a standard Delta 2925, rather than a heavy, using Mars for a gravity assist. This mission plan also provides much needed calibration data for the instruments, and an early test of the science operations and data analysis systems. There will be some delay in arrival at Vesta but the very interesting southern polar region will still be illuminated. After acquiring its Vesta observations, the spacecraft departs for Ceres. This plan requires some rephasing of the budget profile and has not yet been approved by NASA HQ, but we are hoping and expecting it will, and that Dawn will move into the implementation phase late in the calendar year. --- Ceres Evolution and Current State: A Summary Tom McCord[1] and Christophe Sotin[2] [1] Dawn Co-investigator, Univ. of Hawaii, Honolulu Planetary Science Institute, Winthrop, WA [2] Laboratory de Planetologie et Geodynamique, Nantes, France Ceres orbits the sun and is large enough to have experienced many of the processes normally associated with planetary evolution. Therefore, it should be called a planet. Ceres probably survived from the earliest stages of solar system formation, when its sibling objects probably became the major building blocks of the Earth and the other terrestrial inner planets. Thus, Ceres is an extremely important object for understanding the early stages of the solar system as well as basic planetary processes. Ceres apparently retains considerable volatile material. The latest gross properties indicate that Ceres has a density of about 2100 kilograms per cubic meter, suggesting that the body's composition may be half water. Its density is similar to that of Ganymede (1940 kg/m3) and Callisto (1860 kg/m3). Observational evidence also points to a wet Ceres. Its reflectance spectrum contains a 3-µm absorption interpreted to be due to OH and perhaps 2O in aqueously altered material such as clays and hydrated salts similar to CI and CM, i.e. primitive, carbonaceous chondrite (CC) meteorites. A 3.1-µm absorption also exists that suggests water ice or, alternatively, HN4-bearing minerals such as saponite reported in aqueous alteration products in CV and CI carbonaceous chondrites. Further, International Ultraviolet Explorer (IUE) spectroscopic observations of a 3080A emission at the northern limb of Ceres suggests the OH molecule, indicating the production of H2O from Ceres is in the range of 1024 to 1025 sec-1, which is a flux that could be sustained over a long period from a subsurface ice layer. This inference suggests that Ceres may harbor active chemistry that produced evolved materials, considering that it was heated, is still wet and likely started with primitive
RE: [meteorite-list] Elma status
Hi Sonny and List, The Elma whatever objects remains a mystery, and while probably not a meteorite by definition, remains a very seriously studied material by a number of leading labs and scientists. There are papers due out on this material soon and we will just have to wait to see what the professional world has to say about it. Many have already seen some preliminary chemistry results that were posted, as well as some microprobe results. If you get into that stuff, then you can probably see why there is so much controversy over the origin of this material. Equally interesting are some of the low power microscope images. Adam Hupe had spearheaded the effort to get this material seen by some of the best authorities available, and I believe that if not for his excellent scientific method, this event would be lost forever. Adam had requested that I re-post some imagery I had provided previously for anyone still interested in this stuff. A rather low-res composite page can be found here: http://home.beld.net/~belugaband/images/ElmaComposite.jpg If anyone wants some higher resolution imagery, just ask, and I will be glad to email them to you. Again the standard disclaimer: if the word ELMA bothers you, delete this message and please dont respond to the list. Thanks, Charles IMCA 4351 -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Sunday, August 24, 2003 2:28 PM To: [EMAIL PROTECTED] Subject: [meteorite-list] Elma status Hi List, Does anyone have any new information on the Elma material/glass? On another subject, there are a few hotels in Tucson with reasonable rates for next February's show. Many hotels have raised their prices substantially for that week. We have found a few hotels for $79 per night and are currently researching the area which would be best suited for a central location. I will let you know when I get more information. Thanks, Sonny
[meteorite-list] Opsss...Park Forest is go to $7.25/gr.
Hello all How had I expected time does, the price of the Park Forest is itself stabilized... after the $16/gr. then the $10/gr. now arrived at $7.25/gr. Besides I have information a PF of 245 gr. was sold for $1.50/gr. from an inhabitant of the place to a collector. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemitem=2188285311category=3239rd=1 regards Matteo = M come Meteorite - Matteo Chinellato Via Triestina 126/A - 30030 - TESSERA, VENEZIA, ITALY Email: [EMAIL PROTECTED] Sale Site: http://www.mcomemeteorite.com Collection Site: http://www.mcomemeteorite.info International Meteorite Collectors Association #2140 MSN Messanger: [EMAIL PROTECTED] EBAY.COM:http://members.ebay.com/aboutme/mcomemeteorite/ __ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Elma status
Charles R. Viau [EMAIL PROTECTED] wrote: and while probably not a meteorite by definition... ? ...if the word ELMA bothers you, delete this message and please don't respond to the list. ! - Be advised, Charles! It isn't just Farmer that has a problem with this subject and I just may have to respond to this list..., (but I've decided to take my post to bed with me and sleep on it ;-) until the morning... ...unless another List dedicated only to meteor-wrongs comes on-line overnight! [Yes, I know about that other List, but that's for members only] Have a Good Morning All, Bob V. [meteorite-list] Elma status Charles R. Viau [EMAIL PROTECTED] Mon, 25 Aug 2003 01:57:33 -0400 Previous message: [meteorite-list] Elma status Next message: [meteorite-list] Ebay Meteorite - AD Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] This is a multi-part message in MIME format. --=_NextPart_000_000A_01C36AAC.4342B430 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Hi Sonny and List, The Elma whatever objects remains a mystery, and while probably not a meteorite by definition, remains a very seriously studied material by a number of leading labs and scientists. There are papers due out on this material soon and we will just have to wait to see what the professional world has to say about it. Many have already seen some preliminary chemistry results that were posted, as well as some microprobe results. If you get into that stuff, then you can probably see why there is so much controversy over the origin of this material. Equally interesting are some of the low power microscope images. Adam Hupe had spearheaded the effort to get this material seen by some of the best authorities available, and I believe that if not for his excellent scientific method, this event would be lost forever. Adam had requested that I re-post some imagery I had provided previously for anyone still interested in this stuff. A rather low-res composite page can be found here: http://home.beld.net/~belugaband/images/ElmaComposite.jpg If anyone wants some higher resolution imagery, just ask, and I will be glad to email them to you. Again the standard disclaimer: if the word ELMA bothers you, delete this message and please don't respond to the list. Thanks, Charles IMCA 4351 __ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
RE: [meteorite-list] Opsss...Park Forest is go to $7.25/gr.
I just sold a slice for 38/g. Ebay is a joke. The ONLY reason I put specimens on there is to gain some traffic thru the site. I lose money on my specimens EVERY time. Matt Morgan -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of M come Meteorite Meteorites Sent: Monday, August 25, 2003 12:24 AM To: [EMAIL PROTECTED] Subject: [meteorite-list] Opsss...Park Forest is go to $7.25/gr. Hello all How had I expected time does, the price of the Park Forest is itself stabilized... after the $16/gr. then the $10/gr. now arrived at $7.25/gr. Besides I have information a PF of 245 gr. was sold for $1.50/gr. from an inhabitant of the place to a collector. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemitem=2188285311category=3239; rd=1 regards Matteo = M come Meteorite - Matteo Chinellato Via Triestina 126/A - 30030 - TESSERA, VENEZIA, ITALY Email: [EMAIL PROTECTED] Sale Site: http://www.mcomemeteorite.com Collection Site: http://www.mcomemeteorite.info International Meteorite Collectors Association #2140 MSN Messanger: [EMAIL PROTECTED] EBAY.COM:http://members.ebay.com/aboutme/mcomemeteorite/ __ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Elma status
Answer, Elma is a scam, a waste of time, not a meteorite. All hotels rais their rates for that time of year just for the Tucson show. Mike Farmer Writing from a place where my thermometer just topped out at the max of 125 degrees! Dreaming of cool Tucson right now. --- [EMAIL PROTECTED] wrote: Hi List, Does anyone have any new information on the Elma material/glass? On another subject, there are a few hotels in Tucson with reasonable rates for next February's show. Many hotels have raised their prices substantially for that week. We have found a few hotels for $79 per night and are currently researching the area which would be best suited for a central location. I will let you know when I get more information. Thanks, Sonny __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
RE: [meteorite-list] Opsss...Park Forest is go to $7.25/gr.
Hey Dipshit Matteo, I have sold Canyon Diablo for $10 gram on ebay, is does that might mean that price is go set for $10 gram for Canyon Diablo? Give me a break, you just can't be fricken happy can you Matteo. I guess you will be issuing refunds then for the Park Forest you sold for $50 gram? Mike Farmer --- Matt Morgan [EMAIL PROTECTED] wrote: I just sold a slice for 38/g. Ebay is a joke. The ONLY reason I put specimens on there is to gain some traffic thru the site. I lose money on my specimens EVERY time. Matt Morgan -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of M come Meteorite Meteorites Sent: Monday, August 25, 2003 12:24 AM To: [EMAIL PROTECTED] Subject: [meteorite-list] Opsss...Park Forest is go to $7.25/gr. Hello all How had I expected time does, the price of the Park Forest is itself stabilized... after the $16/gr. then the $10/gr. now arrived at $7.25/gr. Besides I have information a PF of 245 gr. was sold for $1.50/gr. from an inhabitant of the place to a collector. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemitem=2188285311category=3239; rd=1 regards Matteo = M come Meteorite - Matteo Chinellato Via Triestina 126/A - 30030 - TESSERA, VENEZIA, ITALY Email: [EMAIL PROTECTED] Sale Site: http://www.mcomemeteorite.com Collection Site: http://www.mcomemeteorite.info International Meteorite Collectors Association #2140 MSN Messanger: [EMAIL PROTECTED] EBAY.COM:http://members.ebay.com/aboutme/mcomemeteorite/ __ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
RE: [meteorite-list] Opsss...Park Forest is go to $7.25/gr.
yes but if you see is all not sold...now people want for low price the PFended the time of the $40-80-120/gr. I have persons sale PF for max $16/gr. now, not over.and others go direct in PF and buy a 245 gr. piece for $1.5/gr. another thanks to the persons put on ebay material buy normaly for high prices and now go ruined! Matteo --- Michael Farmer [EMAIL PROTECTED] wrote: Hey Dipshit Matteo, I have sold Canyon Diablo for $10 gram on ebay, is does that might mean that price is go set for $10 gram for Canyon Diablo? Give me a break, you just can't be fricken happy can you Matteo. I guess you will be issuing refunds then for the Park Forest you sold for $50 gram? Mike Farmer --- Matt Morgan [EMAIL PROTECTED] wrote: I just sold a slice for 38/g. Ebay is a joke. The ONLY reason I put specimens on there is to gain some traffic thru the site. I lose money on my specimens EVERY time. Matt Morgan -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of M come Meteorite Meteorites Sent: Monday, August 25, 2003 12:24 AM To: [EMAIL PROTECTED] Subject: [meteorite-list] Opsss...Park Forest is go to $7.25/gr. Hello all How had I expected time does, the price of the Park Forest is itself stabilized... after the $16/gr. then the $10/gr. now arrived at $7.25/gr. Besides I have information a PF of 245 gr. was sold for $1.50/gr. from an inhabitant of the place to a collector. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemitem=2188285311category=3239; rd=1 regards Matteo = M come Meteorite - Matteo Chinellato Via Triestina 126/A - 30030 - TESSERA, VENEZIA, ITALY Email: [EMAIL PROTECTED] Sale Site: http://www.mcomemeteorite.com Collection Site: http://www.mcomemeteorite.info International Meteorite Collectors Association #2140 MSN Messanger: [EMAIL PROTECTED] EBAY.COM:http://members.ebay.com/aboutme/mcomemeteorite/ __ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list = M come Meteorite - Matteo Chinellato Via Triestina 126/A - 30030 - TESSERA, VENEZIA, ITALY Email: [EMAIL PROTECTED] Sale Site: http://www.mcomemeteorite.com Collection Site: http://www.mcomemeteorite.info International Meteorite Collectors Association #2140 MSN Messanger: [EMAIL PROTECTED] EBAY.COM:http://members.ebay.com/aboutme/mcomemeteorite/ __ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
RE: [meteorite-list] Opsss...Park Forest is go to $7.25/gr.
ah...I not to have refund any person for the pieces buy on Ebay go to $50/gr. or you have to refund the all persons have buy from you for $30/gr. the PF? If you see now on Ebay Shirokowsky go sold for a price over a PF buy on ebay, and is a meteorwrong. Matteo --- Michael Farmer [EMAIL PROTECTED] wrote: Hey Dipshit Matteo, I have sold Canyon Diablo for $10 gram on ebay, is does that might mean that price is go set for $10 gram for Canyon Diablo? Give me a break, you just can't be fricken happy can you Matteo. I guess you will be issuing refunds then for the Park Forest you sold for $50 gram? Mike Farmer --- Matt Morgan [EMAIL PROTECTED] wrote: I just sold a slice for 38/g. Ebay is a joke. The ONLY reason I put specimens on there is to gain some traffic thru the site. I lose money on my specimens EVERY time. Matt Morgan -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of M come Meteorite Meteorites Sent: Monday, August 25, 2003 12:24 AM To: [EMAIL PROTECTED] Subject: [meteorite-list] Opsss...Park Forest is go to $7.25/gr. Hello all How had I expected time does, the price of the Park Forest is itself stabilized... after the $16/gr. then the $10/gr. now arrived at $7.25/gr. Besides I have information a PF of 245 gr. was sold for $1.50/gr. from an inhabitant of the place to a collector. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemitem=2188285311category=3239; rd=1 regards Matteo = M come Meteorite - Matteo Chinellato Via Triestina 126/A - 30030 - TESSERA, VENEZIA, ITALY Email: [EMAIL PROTECTED] Sale Site: http://www.mcomemeteorite.com Collection Site: http://www.mcomemeteorite.info International Meteorite Collectors Association #2140 MSN Messanger: [EMAIL PROTECTED] EBAY.COM:http://members.ebay.com/aboutme/mcomemeteorite/ __ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list = M come Meteorite - Matteo Chinellato Via Triestina 126/A - 30030 - TESSERA, VENEZIA, ITALY Email: [EMAIL PROTECTED] Sale Site: http://www.mcomemeteorite.com Collection Site: http://www.mcomemeteorite.info International Meteorite Collectors Association #2140 MSN Messanger: [EMAIL PROTECTED] EBAY.COM:http://members.ebay.com/aboutme/mcomemeteorite/ __ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Meteorite Found In Israel
http://www.israel21c.org/bin/en.jsp?enPage=BlankPageenDisplay=viewenDispWhat=ZoneenDispWho=InThePressenZone=InThePressDate=8/25/03%209:00%20PM Ancient meteorite found in Arava Israel 21c August 25, 2003 A meteorite whose age is estimated at millions of years was discovered near Timna in the Arava, Maa'ariv reported. The space rock was checked by laboratories at the University of California in Los Angeles (UCLA). The laboratory's report said that the tiny stone landed in Israel only several decades or several hundred years ago. The stone, whose outside is black and scorched and is mingled with brown and light gray, weighs 40 grams and is the size of two walnuts. It was found by members of the Pirhei Mada educational project, which the Jordan Valley Academic College administers to schools on the periphery. An astronomical vehicle is part of the project, fitted with various devices such as a telescope, astronomical maps, and a model of a satellite-carrying missile. A member of the vehicle's team, Gabriel Shaked, who was one of the people who discovered the stone, said yesterday that the test showed that it was a fragment of Asteroid HAVH-6, a rocky heavenly object that departed from its orbit between the sun and Jupiter, and broke up. The original asteroid approaches the earth once every three years. The Israeli team is now waiting for approval for its request to the international organization that deals with meteorite and asteroid investigation, which is connected with NASA, to name the space rock Timna so it will appear in the catalogue. __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Tides Control Flow Of Antarctic Ice Streams
A'ndrea Elyse Messer Penn State Public InformationAugust 21, 2003 [EMAIL PROTECTED] (814) 865-9481 Krishna Ramanujan NASA Goddard Space Flight Center [EMAIL PROTECTED] (301) 286-3026 RELEASE: 03-82 TIDES CONTROL FLOW OF ANTARCTIC ICE STREAMS The moon is often accused of causing lunacy, bringing on labor and transforming werewolves. Now it seems that in reality, the moon, through the tides, is responsible for the pattern of motion exhibited by ice streams in the Antarctic, according to a team of geologists from NASA, Penn State and University of Newcastle, Newcastle Upon Tyne, England. My observations from a few years ago were that Ice Stream D in the West Antarctic was slowing to about half average speed and then speeding up, says Dr. Sridhar Anandakrishnan, associate professor of geoscience, Penn State. I thought that the speeding up and slowing down was tied to rising and falling of the ocean tides. The ice streams in West Antarctica move large amounts of ice downward from the center of the glacier toward the ocean. Most of the glacier rests upon bedrock and/or rubble on land, but part of the glacier floats above the ocean. The grounding line, the line where the glacier stops being grounded and floats, is quite a distance back from the leading edge of the glacier. Some ice streams are moving rapidly, some are slowing down and others have completely stopped moving. Researchers have looked at a number of ice streams and recently, they discovered that Whillan's Ice Stream exhibits the most bizarre behavior because it actually stops dead and then slips for a short time, moving large distances, before it stops again. The fact that such a huge lumbering river of ice can be stopped by a one meter change in the tide underscores how delicate the balance of forces is at the edge within the ice sheet, said Robert Bindschadler, lead author of the study and a glaciologist and senior fellow at NASA Goddard Space Flight Center. The researchers report in today's (Aug. 22) issue of Science, that there is a clear association between this stick-slip phenomenon and the ocean tide. Anandakrishnan and Bindschadler working with Richard B. Alley, the Evan Pugh professor of geoscience, Penn State; Matt A. King, University of Newcastle, Newcastle Upon Tyne, UK; and Laurence Padman, Earth and Space Research, Seattle, combined data from various ice streams and produced a model of how the tides control the slip stick of ice stream motion. They note that If there were no tides at all, slip events would be predicted to occur approximately every 12 hours. However, the movement of the ice streams occurs every 18 and then 6 hours. That is, the stream remains still for 18 hours and then slips for 10 to 30 minutes and halts. Then 6 hours later, the stream slips again and halts. The first slip after 18 hours corresponds to just short of high tide and the second slip is when the tide is falling, but is not low. The up stream portion of the ice stream keeps moving all the time, says Anandakrishan. The tide rises and puts pressure upward on the ice stream. Somewhere in the middle, the ice stream sticks. Eventually the pressure being exerted on the ice streambed from above is enough to overcome the sticking point and the stream slips and then halts. The tide continues to rise and then recede still putting pressure on the ice stream until once again the ice slips. The motion of the ice streams is not as regular during neap tide because the sea rise is not as high, says Anandakrishnan. Each day the ocean by the West Antarctic has only one high tide and one low tide separated by 12 hours. The levels of the tides vary on a 28-day cycle creating spring tides of up to 5 feet and neap tides of 16- to 20-inches separated by 14 days. The National Science Foundation funded this research. For more information and images on the Internet, visit: http://www.gsfc.nasa.gov/topstory/2003/0822icestream.html __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Scientists and Others Differ Over The Extent Of Resources That Should Be Devoted To Spotting Incoming Asteroids
http://www.sunspot.net/news/nationworld/bal-te.asteroid25aug25,0,2517112.story?coll=bal-news-nation Alert: Asteroid alarm Collision: Scientists and others differ over the extent of resources that should be devoted to spotting incoming space rocks. By Dennis O'Brien SunSpot (Maryland) August 25, 2003 Every few years, astronomers who study asteroids are accused of crying wolf. In 1998, one group predicted that an asteroid was headed toward a collision with Earth in 2028. A day later, another group said the estimate was based on faulty data and there was no chance of a disaster. In April 2002, astronomers announced that they'd found an asteroid a half-mile wide that has a 1-in-300 chance of hitting Earth. But it turned out that Asteroid 1950 DA, as it's formally known, won't arrive until March 16, 2880. Hollywood has done its part, too. Movies such Deep Impact and Armageddon have entertained millions with tales of death-dealing rocks that are heading Earth's way. Experts say alarms like these are the price we pay for better surveillance of the heavens - and they're likely to continue as long as astronomers keep looking skyward. These asteroids were passing by before - it's just that we didn't have an ability to see them, said Clark Chapman, a planetary scientist at the Southwest Research Institute in Arizona. Curiosity and concern Asteroids are small celestial bodies that orbit the sun, mostly between Mars and Jupiter. Scientists believe they're made of the same rocks and metals that formed the planets, and they've long been objects of curiosity and concern. NASA, for example, spends $3 million a year to search for asteroids that are potentially big enough to wipe out the planet - meaning bodies at least a kilometer (about 0.6 mile) in diameter. About 100 scientists and researchers work on the asteroid search around the world, and they expect to have 90 percent of the dangerous rocks identified by 2008. But at least one group of astronomers says that effort isn't enough. We're not alarmists. We're not worried about this happening tomorrow. We're just saying more attention should be paid to something that could really turn off the lights in a big way, said Thomas D. Jones, a former shuttle astronaut and leader of an effort to increase funding for asteroid searches. Wiped out the dinosaurs According to the Southwest Research Institute's Chapman, the world's current asteroid fixation dates back to 1980, when Luis W. Alvarez hypothesized that a large asteroid had wiped out the dinosaurs by hitting Mexico's Yucatan Peninsula. If one killed off the dinosaurs, I guess it hit home that someday one could kill us off, Chapman said. NASA began to focus on asteroids in 1990, when a series of highly publicized close calls piqued public interest and prompted Congress to appropriate funds to search for them. Spaceguard, a worldwide effort established in 1991, has so far found 650 asteroids at least a kilometer wide. In a recent letter to Congress, Jones joined 10 astronomers, historians and other experts who argued that Spaceguard's efforts aren't enough. They want the United States to increase spending almost sevenfold to build better telescopes and look for smaller asteroids. The smaller rocks, they note, hit more often - about once every thousand years. Their impact would have the force of a nuclear blast that could destroy major cities and perhaps entire countries. One of the big questions facing us as a species is, how much stuff is out there that poses a danger to us, and how much of a danger is it? said Lucy Ann McFadden, a University of Maryland astronomer who signed the letter. We really don't know. Jones, McFadden and others say the United States should hire more observers and build larger telescopes dedicated to the search for 200-meter asteroids, often too small to spot now but big enough to cause a major regional catastrophe on impact. Near Earth Objects Most asteroids are in a doughnut-shaped belt between Mars and Jupiter. They revolve in the same direction as Earth and take three to six years to complete an orbit. But others reside outside the belt, and any that approach within 30 million miles are classified as Near Earth Objects, or NEOs. Comets can also be NEOs, but they generally travel much farther away than asteroids and are less likely to strike Earth. Based on records of asteroid hits and the number of asteroids actually found by astronomers - about 100 a year - experts estimate that there are roughly 1,100 NEOs. But that's just a guess. We really don't know how many there are, said Brian Marsden, who operates the Smithsonian's Minor Planet Center in Cambridge, Mass., where newly discovered asteroids are listed. Hits and close calls History is filled with asteroid hits and close calls. Many scientists credit asteroids with wiping out the dinosaurs 65 million years ago, forming the Chesapeake Bay 35 million years ago and
Re: [meteorite-list] What to watch while waiting for the marsopposition.
Title: Re: [meteorite-list] What to watch while waiting for the mars opposition. Hi Howard, I also listened to the NPR report. My first thought was, great, another reporter with an brand-new $4k telescope, but short on clues. In the end, however, his pics are wonderful. I guess we all started somewhere. Speaking of Mars, I found some Shergotty pieces for you. Cheers, Martin On 8/22/03 6:35 PM, Howard Wu [EMAIL PROTECTED] wrote: Hi list, After seeing Ron Baalke's great list posting articles about the mars opposition, I thought I'd share this nice narrative from NPR about the recent mars occultation: http://www.npr.org/features/feature.php?wfId=1401486 Howard Wu PS Telescope buffs: Don't miss the must see photos Want to chat instantly with your online friends??Get the FREE Yahoo! Messenger http://uk.rd.yahoo.com/mail/tagline_messenger/*http://uk.messenger.yahoo.com/
[meteorite-list] Re: Meteorite-list digest, Vol 1 #1866 - 9 msgs
Thanks David, Al, and John. That gives me more to think about. The article pointed out by David, http://meteoritics.org/Abst_38(3).htm Morphological analysis of olivine grains annealed in an iron-nickel matrix: Experimental constraints on the origin of pallasites and thermal history of their parent bodies, seems to open up a whole world of lower temperature possibilities. It seems that it will be difficult to explain the morphology until we see more of it's context. The impact theory of crust or mantle into core displacement just doesn't ring right to me. Even that, I guess could make more sense, though, with the increased significance of surface tension (wrong word I think) on iron suspended silicate 'bubbles' in lower gravity astroid environments. I guess the problem for me is that these don't appear clastic, and if the conditions are fluid, why don't they just flow apart again. The article mentioned might alow rounding of what might originally have been clastic particles, though, and thus the creation of the illusion of a much more fluid event. Unless I completely misunderstand, that is, a posibility that is by no means remote. -Robert Beauford : ) Subject: [meteorite-list] formation of pallasites / mesosiderites Just a thought... The current explanations for mesosiderite and pallasite formation have never rung quite right to me... so I was reflecting on it the other day. Is it possible that pallasites / mesosiderites are low gravity dependant in their formation? ie that they were formed in a smaller body or bodies in which the temperatures necessary for differentiation were achieved, but in which gravity was inadequate to overcome friction and bring about crust/mantel/core separation, or in the same thought, near the neutral gravity center of only slightly larger body/bodies in which friction or temperature/viscosity/density variables prevented or provided inadequate impetus to 'float' the silicates? -Robert Beauford Subject: Re: [meteorite-list] formation of pallasites / mesosiderites Hi Robert and all, I don't think there is an easy answer for the formation of these two types of stony-iron meteorites and it is apparent that those that study them also think there is some mysteries to be solved. What is known are the cooling rates to form such stony-irons. No doubt the Pallasites formed from at least two different parent bodies and the messosiderites formed from a different parent body all together (unless they come from the same parent body and are found at a different depth?). Cooling rates for pallasites seem to be from 2 million year to about 10 million. The messosiderites seem to have cooled in .2 to .7 million. Now comes the tricky part. A group from the University of Denmark (Henning Haack) explored the thermal effects of asteroids and more specifically regoliths on asteroid surfaces. What they found was that asteroids with a powered regolith makes a good insulator. It is possible to have an asteroid cool ten times slower than an asteroid with no covering (and be tens times smaller for the same cooling rate) and might answer your question do pallasites come from a lower gravity asteroid. It is suggested that the pallasites probably come from a body the size of less than 100 km. It is thought that they are related to the IIIAB iron meteorites. It is thought that a possible filtering in of metal around the olivine crystals could have occurred but would have had to happen after the main core had mostly solidified. The later filtering effect is shown by the pallasite metal has a more highly fractionated composition which seems to plot along the IIIAB iron's latest crystallizing age. How this filtering happen is somewhat of a mystery. Is it a result of impact submerging the olivine in the liquid core or forcing the liquid metal up into the olivine crystals? Since there are two parent bodies of the pallasites it isn't an isolated occurrence. McSween says that because of the drastic differences between densities of iron and silicated materials, it is not obvious how core and mantle became intermixed. The Mesosiderite parent body has an even more complexed history. One suggestion is a collision with a iron asteroid hitting an asteroid with silicated material and intermixing. There is some resemblance of the HED Asteroid and the mesosiderites. Could this be one of the impacted parent bodies or perhaps a fragment from the HED asteroid? A-type asteroids thought to be possible parent planets of the pallasites (such as asteroid 246 Asporina) from spectra taken by astronomers and plot nicely along the stony-iron chemical make up. Even with all that is know there are no doubt some misleading items that may later prove to be wrong like the relationship of the IIIAB iron meteorites with the pallasites and even the cooling rates. Because of the maltitude of variations in different asteroids and asteroid make up, it is possible for
[meteorite-list] Gao 210g --- 58 minutes to end of auction
Hello I want to infor You that my biggest Gao 210g is avaiable for only 58minutes here http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemcategory=44608item=3238369998 Only one bid was make, so if You dont try to change this :-), this Gao will be SOLD. Also I have something diferent to show You. GOLD pendant with TATAHOUINE meteorite, maked by Mr. Derecki from Poland. This is really nice hand work, and still for ONLY 10$. Don't miss this auction http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemcategory=3239item=2189135334 -[ MARCIN CIMAA ]-[ I.M.C.A.#3667 ]- http://www.Meteoryt.net [EMAIL PROTECTED] http://www.PolandMET.com [EMAIL PROTECTED] http://www.Gao-Guenie.com GSM +48(607)535 195 [ Member of: Polish Meteoritical Society ] __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Gao 210g --- 50 minutes to end of auction
Hello I want to infor You that my biggest Gao 210g is avaiable for only 58minutes here http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemcategory=44608item=3238369998 Only one bid was make, so if You dont try to change this :-), this Gao will be SOLD. Also I have something diferent to show You. GOLD pendant with TATAHOUINE meteorite, maked by Mr. Derecki from Poland. This is really nice hand work, and still for ONLY 10$. Don't miss this auction http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemcategory=3239item=2189135334 -[ MARCIN CIMAA ]-[ I.M.C.A.#3667 ]- http://www.Meteoryt.net [EMAIL PROTECTED] http://www.PolandMET.com [EMAIL PROTECTED] http://www.Gao-Guenie.com GSM +48(607)535 195 [ Member of: Polish Meteoritical Society ] __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Willing French meteorites
Hello to the List ! I'm interested in buying at a reasonable price some french rarities (micro only) : Stable Mont Dieu (up to 100g slice), Aire-sur-la-Lys, Alais, Angers, Asco, Aubres, Aumieres, Ausson, Bacqueville, Barbotan, Bettrechies, Bouvante, Chantonnay, Charsonville, Chitenay, Jonzac, Kerilis, Kermichel, Kernouve, La Bécasse, La Caille, Laborel, Lancon, Le Pressoir, Les Ormes, Le Teilleul, Luce, Luponnas, Marmande, Mascombes, Montlivault, Mornans, Nicorps, Quinçay, Saint Aubin, Saint Caprais de Quinsac, Saint Chinian, Saint Christophe la Chartreuse, Saint Germain du Pinel, Sainte Marguerite, Saint Mesmin, Sainte Rose, Saint Sauveur, Salles, Sauguis, Toulouse. Let me know on my personal email your proposals. Also, my book The french meteorites will be out in a few months. Let me know if you're interested in this reference book. It's written in french but it contains many hard-to-find old documents which give clues to find some fragments. It's the biggest book on this subject ever written. It may be up to 400 pages of really complete information with strewnfield maps, impacts, pictures, location of finds... ; there's a preface by Dr Alain CARION. You can be informed of the sale of the book on my website or by sending me an email so that I subscribe you to my free newsletter. Finally, I may be searching for a translator for my book, for someone fluent in modern and old french and of course of english language. Regards, Pierre-Marie Pele -- Faites un voeu et puis Voila ! www.voila.fr __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] AW: Meteorite Found In Israel
Hi all, There's another paragraph in this article that kindled my interest. Quote: A member of the vehicle's team, Gabriel Shaked, who was one of the people who discovered the stone, said yesterday that the test showed that it was a fragment of Asteroid HAVH-6, a rocky heavenly object that departed from its orbit between the sun and Jupiter, and broke up. The original asteroid approaches the earth once every three years. Has anyone ever heard of this particular asteroid HAVH-6, and it's connection to any known class of meteorites? Did I miss something? Any input on this alledged PB would be highly appreciated. All the best, Norbert __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] NASA comes up short in search for life in Chilean desert
Although this could be considered Off-topic, I just thought you would like to know how NASA spent all of that money it saved when it decided to halt funding that was formerly used by universities to classify non-Antarctic meteorite finds: - http://www.timesrecordnews.com/trn/nw_national/article/0,1891,TRN_5703_2162843,00.html NASA comes up short in search for life in Chilean desert By BYRON SPICE Time Record News August 6, 2003 The Atacama Desert of northern Chile may be the world's driest desert, but areas of it nevertheless teem with life. So why can't NASA scientists find life there? True, a NASA-funded team of scientists who participated in an Atacama field experiment in April found plenty. They were pestered by flies, marveled at the variety of lichens growing on and under rocks and watched as vultures circled overhead, a sure indication that mice skittered nearby. But counterparts at the space agency's Ames Research Center in Moffett Field, Calif., poring over photos and instrument data transmitted from the field scientists, never found anything they considered proof of life. For this team of NASA and academic researchers, assigned to develop robotic technology for finding life on Mars, those results might seem unsettling. If they can't detect life known to exist 5,000 miles away in the Atacama, how could they hope to determine if life exists on an alien planet 35 million miles away? The researchers, who gathered at Carnegie Mellon University in Pittsburgh last week for a three-day workshop, nevertheless were pleased to discover that what they were able to discern about the geology of the desert by remote sensing had closely matched what scientists on the ground observed. The results were encouraging, considering this was the first field experiment in what will be a three-year project, said Nathalie Cabrol, a planetary scientist at Ames and lead scientist of the Life in the Atacama Project. William Whittaker of CMU's Robotics Institute is the project's principal investigator. But a host of issues remain for the dozens of researchers who are building the robot and the life-sensing instruments, which must eventually mesh to become a machine capable of scientific exploration. If I see a bush in front of my rover, there's not too much to discuss, Cabrol said. But if life is sparse, more subtle or resembles nonliving features, how do researchers pick out the signature of life? What features might prove something is living? What combination of sensors is needed to detect that signature? With two robotic rovers now hurtling toward Mars to search for signs of water, the development of life-sensing robots gains greater urgency in the planetary community. If Mars Exploration Rovers are successful in their quest when they land on the Red Planet in January, the logical follow-up mission would be a search for life. Mars is a dynamic planet, a water-enriched planet, said James Dohm, a planetary geologist at the University of Arizona who has spent years mapping it. Growing evidence that it is geologically active, with subsurface magma, suggests that water may not only be present as ice, but also as groundwater. And the combination of magma and water greatly enhances the prospects for finding life, he contended. But no one knows how to prove life exists by remote sensing. And, as this year's Atacama field experiment underscored, even the human eye can be tricked in extreme environments. Searching along the edges of the Salar Grande, an evaporated salt lake, the researchers came across numerous rocks covered by lichens - leaflike, crusty or stalklike organisms that are combinations of fungi and algae. But not everything was as it appeared, said Alan Waggoner, director of CMU's Molecular Biosensor and Imaging Center. Some of the rocks appeared to be covered with bumpy, green lichens, he noted. But when field researchers scratched beneath the surface, they discovered salt. The lifelike bumps were simply salt that, through evaporation, had effloresced to form puffy mounds. The green outer layer turned out to be oxidized copper, which at some point had blown on top of the salt and been incorporated into it. It will be months before NASA's latest robotic explorers reach Mars, but earthbound observers can get what should be the best view of the Red Planet in about 60,000 years at the end of this month, when Earth and Mars pass within 35 million miles of each other. --- __ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] AW: Meteorite Found In Israel
Norbert, I don't recognize that asteroid either. Perhaps it is a typo. I do recognize Gabriel Shaked. He had that really neat astronomical online encyclopedia. He shut it down about a year ago due to copyright conflicts with David Weir. Best, ken newton Norbert Classen wrote: Hi all, There's another paragraph in this article that kindled my interest. Quote: A member of the vehicle's team, Gabriel Shaked, who was one of the people who discovered the stone, said yesterday that the test showed that it was a fragment of Asteroid HAVH-6, a rocky heavenly object that departed from its orbit between the sun and Jupiter, and broke up. The original asteroid approaches the earth once every three years. Has anyone ever heard of this particular asteroid HAVH-6, and it's connection to any known class of meteorites? Did I miss something? Any input on this alledged PB would be highly appreciated. All the best, Norbert __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Meteorite Found In Israel
Asteroid #6 is Hebe, could have been mistranslated as HAVH-6 Mike Fowler Chicago Norbert, I don't recognize that asteroid either. Perhaps it is a typo. I do recognize Gabriel Shaked. He had that really neat astronomical online encyclopedia. He shut it down about a year ago due to copyright conflicts with David Weir. Best, ken newton Norbert Classen wrote: Hi all, There's another paragraph in this article that kindled my interest. Quote: A member of the vehicle's team, Gabriel Shaked, who was one of the people who discovered the stone, said yesterday that the test showed that it was a fragment of Asteroid HAVH-6, a rocky heavenly object that departed from its orbit between the sun and Jupiter, and broke up. The original asteroid approaches the earth once every three years. Has anyone ever heard of this particular asteroid HAVH-6, and it's connection to any known class of meteorites? Did I miss something? Any input on this alleged PB would be highly appreciated. All the best, Norbert __ __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] Pallasite speculation
My two cents worth... 1. I BELIEVE that the metal in pallasites and other stony-iron bodies has a lower melt temperature than the largely silicate olivine grains. 2. An event that melts(ed) the metallic component of pallasites and mesosiderites might have little, if any effect on the other components. 3. A group of rapidly spinning metallic bodies might develop localized eddy currents which could melt or plasticize pockets of nickel-iron (induction heating). Say, if an impact broke up a largely iron asteroid, but was only sufficient to impart some angular velocity to the fragments, not drive them completely out of each others' influence. 4. Would the same rapid spinning be able to force plastic metals into cracks or joints between olivine crystals, thus forming a pallasite structure? As I said, pure speculation (but fun!) Tracy Latimer _ Help protect your PC: Get a free online virus scan at McAfee.com. http://clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3963 __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
Re: [meteorite-list] Asteroid 6-Hebe
Some references to 6-Hebe that indicate it could be the source of some meteorites. Mike Fowler Chicago Farinella, P. 1996. Chaotic routes between the asteroid belt and Earth. Meteorite! May 1996. Migliorini, F., et al. 1997. 7 Iris: A possible source of ordinary chondrites? Astron. Astroph. 321(2):652-659. A member of the vehicle's team, Gabriel Shaked, who was one of the people who discovered the stone, said yesterday that the test showed that it was a fragment of Asteroid HAVH-6, a rocky heavenly object that departed from its orbit between the sun and Jupiter, and broke up. The original asteroid approaches the earth once every three years. Has anyone ever heard of this particular asteroid HAVH-6, and it's connection to any known class of meteorites? Did I miss something? Any input on this alleged PB would be highly appreciated. All the best, Norbert __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
[meteorite-list] HAVH-6 = 6 Hebe
Mike is correct -- it's a simple mistranslation. Furthermore, the S-type asteroid Hebe is a candidate for the H-chondrite parent body, indicating that the Israeli meteorite is probably an H-chondrite. --Rob -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Monday, August 25, 2003 2:37 PM To: [EMAIL PROTECTED] Subject: [meteorite-list] Meteorite Found In Israel Asteroid #6 is Hebe, could have been mistranslated as HAVH-6 Mike Fowler Chicago __ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
