I nominate a new term to describe a swampy area where a meteorite falls - the strewnswamp.
Best regards, MikeG On 4/3/16, MexicoDoug via Meteorite-list <[email protected]> wrote: > Thanks Rob! Does being there 4 days before the fall figure in anywhere? :-) > > Though Larry may not have been first on the field, nor found the first, or > for all I know, the last one ... his dedication and larger specimen is a > fresh virgin princess IMO! I really hope the temptation to expose the fresh > interior never arises. > > It would be very instructive to know the weight of the current main mass as > found and then as well dried, as I can easily see 100 or more grams of water > taken up by it, a real consideration for reporting the weights of most of > these stones. > > Kindest wishes > Doug > > > -----Original Message----- > From: Rob Matson via Meteorite-list <[email protected]> > To: 'meteorite-list' <[email protected]> > Sent: Sat, Apr 2, 2016 4:02 pm > Subject: Re: [meteorite-list] Osceola Meteorite is Official! > > Congratulations to Mike, Larry, Laura, Josh and Brendan for their > aggressiveness ingetting to the fall location quickly and their persistence > in the face of veryunfavorable searching conditions (SWAMP!) It is an > impressive feat that anythingwas found at all, even with the nice radar > returns.I have one correction: I'm pretty sure Larry was the second on the > scene. SteveArnold drove all night from Arkansas to arrive (I believe) the > morning afterthe fall -- Monday, January 25. --Rob-----Original > Message-----From: Meteorite-list > [mailto:[email protected]] On Behalf Of Michael > Gilmer via Meteorite-listSent: Saturday, April 02, 2016 11:00 AMTo: > Meteorite ListSubject: [meteorite-list] Osceola Meteorite is > Official!Osceola meteorite is official, approved by NonCom and entered into > theMet Bull today - > http://www.lpi.usra.edu/meteor/metbull.php?code=63109Osceola > 30�27.16�N, 82�27.25�WFlorida, USAConfirmed fall: 2016 Jan 24Classification: > Ordinary chondrite (L6)History: (Mike Hankey, Larry Atkins, Laura Atkins, > Josh Adkins,Brendan Fallon, Robert Matson, Marc Fries) On Sunday Morning > 24January at 10:27 EST (15:27 UTC) a large daytime fireball streakedacross > the sky in northern Florida. Over 100 eyewitnesses reported theevent to the > American Meteor Society (Event 2016-266), describing awhite sparkling head > and plume of white smoke left behind. Fireballresearchers Marc Fries and Rob > Matson, found the American MeteorSociety witness trajectory intersected with > a group of radar returnsthat appeared shortly after the fall. The radar > returns were strong,found at multiple altitudes and located on multiple > stations: KJAX,KVAX and KTHL. Larry Atkins was the first on the scene. Mike > Hankeyarrived 5 days after the fall with Brendan Fallon and joined Larry > andLaura Atkins in the hunt. On the 6th day, Mike Hankey found the > firststone at 8.5 g on the eastern edge of the primary radar return. Within2 > hours Larry Atkins found the second stone (18.5 g) directly underthe radar. > The next day, two more stones were found: a 5.5 g stone byLaura Atkins and a > 48.5 g stone by Mike Hankey. Six days later over 2miles away from the first > find, an 839 g mass was found by Josh Adkinsand Brendan Fallon. A week after > that, Larry Atkins found the laststone, weighing 75.5 g. In total 6 stones > were found over a three weekhunting period for a total weight of 990.5 > g.Physical characteristics: Thin, well formed shiny fusion crust coversthe > exterior of four of the stones, while two of them, the 43 g andthe 839 g are > matte black. This is likely due to submersion in wetsand and/or water prior > to recovery. Some small rust spots are evidenton some of the stones as well. > Small regmaglypts are present on the 43g and the 839 g stones, and the > remaining stones are irregularlyshaped with little to no orientation. Some > chondrules are visiblethrough the crust. The interior of the meteorites are > slightlydarkened due to shock. Shock veins are present, some of which > areblack while others are filled with metal, appearing as long "strings"up > to 3 mm long. Though most of the chondrules have been altered andare not > well defined, some rare, large chondrules up to 0.8 mm > arepresent.Petrography: Plagioclase grains are up to 100 �m in size, > consistentwith type 6. No maskelynite was found. There are > numerouschromite-plagioclase assemblages, consistent with moderately > strongshock. Chromite grains are fractured. Troilite is > polycrystalline.Metallic copper occurs as 2-�m-thick bands at the > metal-troiliteinterface in an opaque assemblage. The chondrules are > recrystallizedand poorly defined. The only discernible chondrules are large > ones,800-1000 �m across; these are BO and PO textural types.Geochemistry: > Olivine Fa23.7�0.3 (n=21), OrthopyroxeneFs20.2�0.2Wo1.6�0.2 (n=14). Also > present are small grains of diopside:Fs7.4 Wo44.9 (n=1). Plagioclase has a > mean composition of Ab71.7�1.6Or8.8�2.5 (n=8); the low Na and high K values > are a result of shock.Specimens: 21.8 g at > UCLA______________________________________________Visit our Facebook page > https://www.facebook.com/meteoritecentral and the Archives at > http://www.meteorite-list-archives.comMeteorite-list mailing > [email protected]https://pairlist3.pair.net/mailman/listinfo/meteorite-list______________________________________________Visit > our Facebook page https://www.facebook.com/meteoritecentral and the Archives > at http://www.meteorite-list-archives.comMeteorite-list mailing > [email protected]https://pairlist3.pair.net/mailman/listinfo/meteorite-list > ______________________________________________ > > Visit our Facebook page https://www.facebook.com/meteoritecentral and the > Archives at http://www.meteorite-list-archives.com > Meteorite-list mailing list > [email protected] > https://pairlist3.pair.net/mailman/listinfo/meteorite-list > ______________________________________________ Visit our Facebook page https://www.facebook.com/meteoritecentral and the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list [email protected] https://pairlist3.pair.net/mailman/listinfo/meteorite-list
