The author of the popular (at least in my business) mindat web site
just called to my attention this very handy and accurate flowchart:
http://www.mindat.org/forum.php?read,11,279733,279809
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Adam:
I entirely agree, but on the basis of this photo
http://meteorites.wustl.edu/lunar/stones/kalahari008.htm
and assuming a density of 2.6 g/cm^3, I'd say that rock was at least 13 kg.
Randy
At 01:32 PM 2013-06-13 Thursday, you wrote:
I wish somebody would take the time to actually
of
the thing that was sharp enough to prick his thumb.
Here's a jpg of his scanned photo.
http://meteorites.wustl.edu/baygorria.jpg
What's happened here?
Randy Korotev
St. Louis
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Here's a discussion you might want to read.
http://www.lpi.usra.edu/meetings/lpsc2002/pdf/1882.pdf
Randy Korotev
At 02:52 PM 2012-08-27 Monday, you wrote:
Hello all, Â I am investigating a case here in
Brazil where something has fallen from the sky
and caused fire on a 500 m2 area
Meteorite and meteoroid are, indeed, well defined.
http://onlinelibrary.wiley.com/doi/10./j.1945-5100.2009.01009.x/abstract
Randy Korotev
At 10:02 AM 2012-08-20 Monday, you wrote:
They might reasonably call it an anti-meteoroid shelter, but the
fact is, meteorite is not well enough
likely that the rocks are not meteorites, but their request is,
Can you maybe point out someone local who might be interested in buying them?
So, if there is anyone out there who'd be willing to check this out,
let me know.
Randy Korotev
St. Louis
Unknown female finder who contacted Randy Korotev - 4.26g stone
(authenticity?)
The woman who found the 4.26-g stone sent this message to me
yesterday after I passed on to her offers to purchase her stone from
some list members.
I have decided to loan the piece to U.C. Davis, Dr. Yin
that $2000 for a 4-g stone was a good price.
I think that she must have talked to a fake geologist because I don't
know any real geologists who carry $2000 in their pocket. She hasn't
been back in touch with me so I don't know what she's done with the stone.
Randy Korotev
. As someone else mentioned, I suspect the actual mass of
missing material is not large.
Randy Korotev
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http
of
missing material is not large.
Randy Korotev
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.
Randy Korotev
At 10:00 PM 2011-11-29 Tuesday, you wrote:
Hi Mike and thanks for your opinion. I seem to see some tiny
vesicles but can't be sure; also we can't assume it's metal that's
sparkling and my thoughts are at a density of 3.2 g/mL it is
possibly some sort of basalt. Anyway, it's
Space. I'm really happy to have that one.
http://meteorites.wustl.edu/meteorwrongs/unco.htm
As impact breccia look-alikes, I'm fond of B and K, but I suspect
that they're both terrestrial volcaniclastic rocks.
Randy Korotev
St. Louis
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whereas Conception Junction plots near the
Main Group pallasites.
Randy Korotev
At 05:01 AM 2011-08-27 Saturday, you wrote:
Sorry if this is a double post but the first one doesn't seem to
'get through':
Hello Dave, Karl A., Dr. Wasson and list,
If the beautiful Conception Junction
) has 9-11% calcium as CaO whereas moldavites
have 2-3% CaO. Moldavites have 2-3% iron as Fe2O3 and green bottle
glass (7 samples I've analyzed) has 0.1-0.7%. One of those hand held
XRF guns should be able to see the differences for Ca and Fe (they
won't do Na except in vacuum).
Randy
some data... It took
almost until the end of the sentence for the audience to appreciate
the joke and erupt into laughter.
Randy Korotev
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, what's going
to happen to it? The Moon isn't Mars.
Randy Korotev
At 09:06 PM 2011-06-27 Monday, you wrote:
Hi James,
Well taken, and I agree. Part of their mission was to retrieve lunar
samples, but how imagine meteorites could be found if a team was put
on to the lunar surface
The rock that Joel Samson mentions in his e-mail
to me of 2+ years ago (below) is depicted here:
http://meteorites.wustl.edu/meteorwrongs/stone.jpg
It looks like a weathered volcaniclastic rock to
me. And, OK, it does also resemble a lunar breccia.
Randy Korotev
I think this guy may be more foolish and naive
than devious. Here are some messages I revived from him.
===
Date: Tue, 30 Dec 2008 19:06:50 +0800
From: Joel Samson joel.m...@gmail.com
To: koro...@wustl.edu
Subject: Fwd: Pix 3
IMG_4961.JPG
IMG_4962.JPG
I've asked Robert Haag when Calcalong Creek was found, and he said
no idea amigo.
The actual find dates for the three Yamato 79 stones are listed here
http://meteorites.wustl.edu/lunar/moon_meteorites_list_alpha.htm
I dug those out of the Japanese literature.
Randy Korotev
At 01:26 PM
I just changed the URL to something more logical:
http://meteorites.wustl.edu/lunar/stones/shisr162.htm
Randy Korotev
At 08:10 PM 2011-04-07 Thursday, you wrote:
Hello Michael, All,
You should check the WUSTL list more often; it's been posted for some months.
http://meteorites.wustl.edu
, and that the metal in
lunar breccias is, in fact, crystalline, though a bit opaque.
Randy Korotev
At 06:19 PM 2010-12-29 Wednesday, you wrote:
Thank you Larry - Sometimes you just can't get your thoughts to the
fingertips.
Greg S.
To: stanleygr
/PDFFiles/F23_GRA06157v3.pdf
feldspathic breccia
http://curator.jsc.nasa.gov/antmet/PDFFiles/F24_LAR06638v3.pdf
feldspathic breccia
http://curator.jsc.nasa.gov/antmet/PDFFiles/M07_MET01210v3.pdf
basaltic breccia
Does this answer your question?
Randy Korotev
At 11:59 AM 2010-12-29
Dear Sterling:
Thanks so much for that enlightening explanation!
Randy Korotev
At 10:32 PM 2010-09-07 Tuesday, you wrote:
Hi, Lunar Gang, and List,
We have a situation here that needs straightening
out.
Escaping from the Moon is one thing. Getting
to the Earth is another. Here's how
and its closer
to the asteroid belt so it receives many more impacts than the moon.
Not many more. Only a factor of two greater for Mars, but the
average velocity of the impactors is only 60% as great.
Randy Korotev
Washington University in St. Louis
Dear Eric:
My alphanumeric list contains 140 named stones,
http://meteorites.wustl.edu/lunar/moon_meteorites_list_alpha.htm
with the caveat that some do not actually have official names yet
(e.g., Unnamed 12). They're on the list because I've analyzed them
and know them to be lunar. That's
http://uncometeorites.shutterfly.com/
...and, yes, I sent you there.
Randy Korotev
Saint Louis, MO
koro...@wustl.edu
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Gary:
Thats very funny Randy. And do you know the Japanese word
unko? A fitting description for this person's lunars.
No, tell us!
Greg:
I sure wish I knew where his secret site was, I could use a few
more lunar meteorites! ;-)
The other person mentioned on the website just called
send me x amount to help
Greg Catterton
www.wanderingstarmeteorites.com
IMCA member 4682
On Ebay: http://stores.shop.ebay.com/wanderingstarmeteorites
Randy Korotev
Saint Louis, MO
koro...@wustl.edu
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state of Wisconsin to look for meteorites,
Randy Korotev
Saint Louis, MO
===
Date: Thu, 22 Apr 2010 17:28:59 -0600
Subject: New Lunars
From: Steve Curry cwhei...@gmail.com
To: Randy Korotev koro...@wustl.edu
Koretev; As much as I really do not like you
for none of
the lunar meteorites has been established with certainty. An impact
making a 1-km-crater can launch a lunar meteorite.
Randy Korotev
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, or misinterpretation?
Probably a reporters poetic license being exercised. :O)
geozay
Randy Korotev
Saint Louis, MO
koro...@wustl.edu
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you well on your retirement may it be soon! A fella'
can look at just so many rocks, that he becomes one, himself!
=
I sure hope this guy finds someone else on The List to insult!
I need to retire,
Randy Korotev
from counting them.
At 11:11 26-12-09 Saturday, you wrote:
Omg, I just got 20 Lindfors-o-grams all at once, with nearly 50 Mb
of attached images. Has anybody figured out how to stop this spammer?
Jeff
Randy Korotev
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because there's
no metal shrapnel.
Randy Korotev
Saint Louis, MO
koro...@wustl.edu
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. Has
there ever been a crater associated with the glass?
Randy Korotev
Saint Louis, MO
koro...@wustl.edu
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, it was probably Wabar. I also mentioned what price etched
slices of Wabar sold for on e-bay.
Now, he wants to sell his pieces. If you want to talk with him, let
me know and I'll send his e-mail address.
Middle man making no profit, not even a sample to keep,
Randy Korotev
Randy Korotev
Anybody know anything about this one?
Date: Wed, 18 Nov 2009 11:28:23 -0800
Subject: MOHAVE NATIONAL PRESERVE / CIMA / 111709 IMPACT
From: JASON SCHROTBERGER schr...@gmail.com
To: koro...@wustl.edu koro...@wustl.edu
My name is Jason Schrotberger and I am a resident of Arizona. Just
) FeNi metal.
Randy Korotev
At 16:11 16-11-09 Monday, Mike Hankey wrote:
Dear List,
With all the recent attention put on newbies I thought now would be
the perfect time to ask something stupid.
My Question: What Earth rocks naturally contain nickel?
The reason I ask is I have found some
/moon_meteorites.htm
Is this info available for Martians also?
The most up-to-date info is here:
http://www.imca.cc/mars/martian-meteorites-list.htm
Randy Korotev
Saint Louis, MO
koro...@wustl.edu
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? The
loss of crust, part or all, seems to be a rather common occurrence
especially for some of the more friable stonys. With the crust gone,
the stone is 'denuded'?
Mike in CO
Randy Korotev
Saint Louis, MO
koro...@wustl.edu
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difference what scale you're look at. It always looks the same.
Unfortunately, terrestrial volcaniclastic rocks are also not well sorted.
Randy Korotev
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in a dark matrix of lithified
soil. Impact melt and granulitic breccias are rarer and are
remarkably unremarkable (sawn surface).
Hope this helps.
Randy Korotev
At 10:38 04-09-09 Friday, you wrote:
Good Morning All... I have a rather novice question: What is the identifying
tag or indicator
Check this out:
http://lroc.sese.asu.edu/news/?archives/91-Trail-of-Discovery-at-Fra-Mauro.html
Click on the middle image, preferably on on a big screen
Randy Korotev
Saint Louis, MO
koro...@wustl.edu
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Meteorite
of the holes don't look so much like
regmaglypts to me. Maybe some are chemical weathering
features. There will probably be some more info about this meteorite
coming out later. Ray said that there is a great interest on what
kind of chemical reactions it's experienced.
Randy Korotev
Washington
collection.
See this:
http://meteorites.wustl.edu/lunar/rlk_5325_apollo11_l.jpg
http://meteorites.wustl.edu/lunar/regolith_breccia.htm
I suppose they're the lunar equivalent of tektites.
Randy Korotev
(the guy who took the photo)
At 14:07 17-07-09 Friday, you wrote:
Hi List,
Just ran across
a brake. It succumbed to gravity and headed
downhill. John ran after it, tackled it, and prevented it from going
over the edge.
The guy can spot and classify meteorites from 100 meters.
Randy Korotev
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Meteorite
it. I don't respond to inquiries any more, so I guess that's
why he's contacted you!
Randy Korotev
At 10:04 26-06-09 Friday, you wrote:
Hi,
Anyone here getting mails from a 'Jude Noonan', e-mail bonk...@hotmail.com ?
He/she sent me pictures and apparent geochemical descriptions of a
stone
Several list members have contacted me saying that they recieved a
message from Mr. Goran Lindfors of Sweden staing that I had done a
chemical analysis of his alleged lunar meteorites showing [them] to
be of perfect Lunar origin !!!
Here's the full story:
Adam:
It has some resemblance to a hematite concretion:
http://meteorites.wustl.edu/id/concretions.htm
The color is right, but the texture is not.
Do a streak test:
http://meteorites.wustl.edu/id/streak.htm
Randy
At 12:14 06-04-09 Monday, you wrote:
Dear List Members,
We went on a
.
Some eucrites and howardites, I believe, are regolith breccias. I
don't know enough about these guys to know if any have vesicular
fusion crusts, but if they do, they're not likely to be as highly
vesicular as the those of lunar meteorites.
Randy Korotev
At 17:46 28-01-09 Wednesday, you
me about this offer. I'm just the messenger
and I won't respond to enquiries about this issue. I'm only doing
this because I wanted to see the photos.
Randy Korotev
Saint Louis, MO
koro...@wustl.edu
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Meteorite
have a few hundred ppm Ni.
This subject came up a few years ago on this list and someone (I
forget who) mentioned that in his experience, the swab stayed pink
quite a bit longer with a real meteorite metal while the pink faded
in an hour with false positives.
Randy Korotev
At 14:09 19
http://www.wtvr.com/global/video/flash/popupplayer.asp?ClipID1=3010604h1=Exclusive%3A%20Device%20Found%20At%20Airport%20Wasn%27t%20An%20Explosivevt1=vat1=Newsd1=157067LaunchPageAdTag=Search%20ResultsactivePane=infornd=82665900
Randy Korotev
Saint Louis, MO
[EMAIL PROTECTED
taken by Stefan Ralew
and Martin Altmann (I hope they don't mind!).
http://meteorites.wustl.edu/lunar/stones/nwa0773.htm
I don't know whether schreibersite in lunar
meteorites differs in composition from schreibersite in OC's.
Randy Korotev
At 16:26 12-08-08 Tuesday, you wrote:
Dear
in reflected light?
Sincerely,
Randy Korotev
At 17:41 09-08-08, you wrote:
Hi list, I had a question about an iron fleck I found in a thin section of
NWA 2977 Lunar. Jim Strope sent it to me.
I plan to use this as next months Meteorite Times Micro Vision and want to
be accurate.
The thin
for finders and collectors is that had this
meteorite not had a fusion crust, only the most astute would have
recognized it as a meteorite, given the bizarre mineralogy.
Randy Korotev
* For scientists, the Lunar Planetary Science Conference and the
Annual Meeting of the Meteoritical Society
a sample of a lunar meteorite by a northwest African dealer
with a request to verify its authenticity.
caveat emptor,
Randy Korotev
At 21:49 26-12-07 Wednesday, Greg Hupe wrote:
Hi Tim,
My point is that Aziz is advertising a 90g Lodranite Breccia for
sale. I asked simple questions that had
/metsoc2007/pdf/5074.pdf
Whole volume
http://www.lpi.usra.edu/meetings/metsoc2007/pdf/program.pdf
Randy Korotev
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The authors are cautious about ascribing cause and effect.
Randy Korotev
Saint Louis, MO
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have several feldspathic lunar meteorites,
particularly if you have a regolith breccia with
0.3 ppm Th, there's a real good chance that you have a farside rock.
Randy Korotev
References
Gladman B. J., Burns J. A., Duncan M. J., Levison
H. F. (1995) The dynamical evolution of lunar
impact
I just added this entry to my MeteorWrongs web site:
http://meteorites.wustl.edu/meteorwrongs/m223.htm
I actually don't know much about either
mesosiderites or magnetic susceptibility, so if
any of you real experts out there do, please point out my errors to me.
Randy Korotev
At 16:33
The rocks in question are all extrusive volcanic rocks -
basalts. The Ti variation reflects that the lunar mantle is
heterogeneous. The source regions where different episodes of
melting occurred had to have varied considerably in ilmenite
abundance. The mantle of the Moon is not well
-Ti
basalts. They're all low-Ti basalts or very-low-Ti (VLT) basalts.
Sincerely,
Randy Korotev
At 10:21 05-05-07 Saturday, you wrote:
Hi all,
Not far back there was a discussion on the list
about iron contentent in lunar
samples/meteorites and I thought this seemed related.
I have
Doug:
wt.%: Al: 14.68; Si: 20.73; Mg: 2.68; Fe: 3.5; Ca: 11.1.
Those values are all consistent with lunar rocks, but also terrestrial
rocks made of the same minerals - plagioclase, pyroxene, and olivine.
Thanks for posting the photo and the nice web page Randy. Would you know
how a
No diamonds have been seen, to my knowledge. The Moon contains very
little carbon. Again, most of the carbon on the lunar surface comes
either from carbonaceous chondrites or is implanted by solar
wind. Nowhere is the C concentration high enough to make a diamond
by impact pressure.
Randy
Here's a photo of the whole Kalahari 008 stone:
http://meteorites.wustl.edu/lunar/stones/kalahari008.htm
I don't think I would have picked it up, and I sure wouldn't have
even considered that it might be a lunar meteorite.
Randy Korotev
At 03:40 11-04-07 Wednesday, you wrote:
Hi
of them. None of the data were consistent with
meteorites. I told him that.
It must be pleasant living life as an eternal optimist.
Randy Korotev
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information. I'm surprised that the samples of the two
stones look as similar to each other as they do given the differences
in the descriptions. The samples sure don't jump out at me and
exclaim I'm from the Moon. I can't wait to do the chemical analyses.
Randy Korotev
Kalhari 008, at least, appears to contain solar-wind gases. The
reported textures, mineralogy, mineral compositions (including
Fe/Mn), and chemical compositions are consistent with lunar
origin. Only concentrations of a few elements were listed in The
Meteoritical Bulletin, however.
Randy
paper about a mysterious
hail of rocks from the sky. No one was hurt, but several cars
suffered some damage.
Randy Korotev
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) not much
knowledge of meteorites.
You'll need Apple QuickTime, or something like it, to play the MOV file.
Randy Korotev
Saint Louis, MO
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Dear Mr. Gregory:
At 02:34 13-02-07 Tuesday, you wrote:
Simply put, what testing can definitively differentiate a rock from
space and a rock from the earth?
Answer: The presence of nuclides that are the products of reactions
with cosmic-rays - nuclides that can only be produced in space (that
: (314) 935-5637
Research Associate
Professor
fax: (314) 935-7361
Washington University in Saint Louis
[EMAIL PROTECTED]
Department of Earth Planetary Sciences
http://epsc.wustl.edu/
Mailing addresses
postal
service:
commercial:
Randy
Korotev
Randy Korotev
Washington
University
Washington University
I am looking to acquire for destructive chemical analysis 0.2-0.3
gram samples of Dhofar 081 and 280. Please contact me off list if
want have material to sell.
Randy Korotev
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, the chondrite fragment in a lunar meteorite reported by
Day et al. is a first.
Randy Korotev
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is just
compressed powder.
Randy Korotev
At 20:27 26-08-06 Saturday, you wrote:
I'm wondering how
lunar/asteroidal regolith becomes reprocessed into solid
brecciated stones. Is it reburied to a depth that heat and pressure
do the job,
or maybe cold welding plays a
role
this do occur in the lunar regolith:
http://www.hq.nasa.gov/alsj/a16/AS16-106-17393.jpg
Randy Korotev
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news release: Although astronomers
applauded after the vote, Jocelyn Bell Burnell -- a specialist in neutron
stars from Northern Ireland ...
How many neutron stars are there in Northern Ireland?
Randy Korotev
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/resources/meteorites/chemclass/all_meteorites/alca.htm
Neither ionic Al or Ca is particularly colorful as an electronic emitter.
Randy Korotev
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