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The percentage mean deviation (PMD) was 1.5%. (2010) Provenance and implications of stromatoporoids redeposited in Upper Devonian Alamo impact breccia, SE Nevada (abstract). There is no phone service and the road out wants to eat your truck! American Geophysical Union, Fall Meeting. GET DIRECTIONS Click on the View larger map link that is displayed in the address box above in order to get directions to the strewn field area. The dissolution of the Allende calibration standard and the Murchison aliquot followed the same Parr bomb dissolution procedure of the Misfits Flat sample. It weighs 13g and is only my second find there. The fragmentation into smaller units is seen in action for Misfits Flat 001. Lichens of different colors have colonized a portion of the meteorite. Instead of rewritting the story, I’ll take the easy way out and just copy and paste a note I wrote to the Meteorite Central List when making the announcement there. San Francisco Chronicle—Reno (Nev.) March 2.—At 5:48 o'clock this morning, a large ball of fire became visible in the southwestern heavens, and exploded with terrific force. doi: 10.1130/GES00964.1, http://geosphere.gsapubs.org/content/11/1/123.short. A. The area is usually accessed from US 6 driving from Tonopah. 5, p. 306, https://gsa.confex.com/gsa/2010AM/webprogram/Paper179012.html. The low value of 21 dpm kg−1 for Misfits Flat 001 does not constrain the size of the meteoroid (Fig. thanks local organizer Kees Welten for supporting his participation in the 2015 Meteoritical Society meeting and for helpful comments. 3 (with north up). Sure, we all had an idea that the strewn field crossed the lake, we all drew lines, but only one guy had the steel to go get it done. Lewis K. M, Morrow J. R., Nesse W. D. (2006) Effects of shock metamorphism on XRD peak broadening in carbonate target rocks, Late Devonian Alamo Impact (abstract). The technical name for it is a "maar." Statistically, two unrelated LL falls would occur in the same small area with about 1.2% probability. The first meteorites have been found on the small Misfits Flat dry lake near Stagecoach, Nevada. Compared to other studied chondrites, this suggests a similar shock stage: S2–3 for MF07 and S2–4 for MF18 (Friedrich et al. http://geology.isu.edu/thesis/Thomason_Carrie_2010_ISU.pdf, Thomason C., Tapanila L. (2009) Post-impact deposition at the edge of the Late Devonian Alamo breccia, SE Nevada (abstract). Geological Society of America 2007 Denver Annual Meeting, GSA Abstracts with Programs, Volume 39, No. 2011) and thought to have originated in the Flora asteroid family located near the ν6 and Mars crossing resonances in the inner part of the asteroid belt (Michel and Yoshikawa 2008; Jenniskens 2014). Master’s Thesis, Colorado School of Mines, Golden, Colorado. (2013) Frasnian stromatoporoid-coral reef above Alamo impact storm-related backwash channel, Needle Range, western Utah (abstract). 1-7. ftp://rock.geosociety.org/pub/GSAToday/gt9601.pdf, http://www.geosociety.org/gsatoday/archive/6/1/pdf/i1052-5173-6-1-sci.pdf. Abstracts of the Third International Conference on Large Meteorite Impacts, August 5–7, 2003, Nördlingen, Germany. This page is all about the new meteorites discovered in Nevada that are undoubtedly related to the Gold Basin meteorite strewn field discovered by Jim Kreigh. View from the Nevada side of Gold Basin. Facies, Volume 60, Issue 2, pp. The significant differences in olivine and pyroxene composition (e.g., Fa30 versus Fa26), in metal content based on the magnetic susceptibility (3.65 versus 4.5), in shock stage (S4/5 versus S2), as well as the saturation of 14C in Misfits Flat 002 (63 versus 21 dpm/kg), argue against Misfits Flat 001 originating from that same meteoroid. Using Blob3D software, the foliation Strength Factor was determined to be C = 0.428 for MF07 and 0.501 for Misfits Flat 001 (MF18), respectively. Please send your reports to me so that I can share them with the scientist involved with our work. http://geology.gsapubs.org/content/23/11/1003.abstract? He moved up to Washington state a number of years ago and we had only seen him a few times over the years since. A new cold find! http://geology.isu.edu/thesis/Anderson_Julia_2008.pdf? However, the fusion crusts of MF07 and MF58 are different in appearance than both Misfits Flat 001 and 002 (Fig. The site is 38 km east of Carson City, just off Lincoln Highway, the former California Emigrant Trail (Highway 50). This section, which is included for each crater on this website, is not an exhaustive list of such published evidence, but is meant to demonstrate that appropriate work has been done for each listing. Geological Society of America 2010 Annual Meeting and Exhibition, GSA Abstracts with Programs, Volume 42, No. The abundances of lithophile and siderophile elements in Misfits Flat 001 (MF18) suggest an LL composition, although including uncertainties an L classification cannot be completely eliminated. FeNi metal is more abundant in Misfits Flat 001. We also thank referee Beda Hofmann and an anonymous referee, as well as associate editor Alex Ruzicka, for a careful reading of the paper and helpful comments. The lakebed is also immediately adjacent to the Carson River, which may be the reason why it was overlooked as a suitable location for finding meteorites. Age: The impact has been dated by conodont studies to the early Frasnian stage of the Late Devonian, about 382 million years ago (Sandberg and Warme, 1993; Warme and Sandberg, 1995, 1996; Morrow et al., 2005). 2013). Polished thin sections were prepared from stones MF10, MF16, MF33, and MF34, which we considered to be representative of the recovered samples. http://www.lpi.usra.edu/meetings/lpsc2005/pdf/1538.pdf. Copyright 2011, 2012, 2013, 2014, 2015, 2016 United States Meteorite Impact Craters. (2010) Recovery of the carbonate platform and fauna in the aftermath of the Late Devonian Alamo Impact, Hiko Hills Range, Southeastern Nevada. I submitted samples from my 16+ lb. 5, p.173, https://gsa.confex.com/gsa/2010AM/webprogram/Paper177455.html. 2). (2015). Number of times cited according to CrossRef: Meteorites found on Misfits Flat dry lake, Nevada, http://noblegas.unibe.ch/index.php?content=noblegas/data. A local observer, who had an uninterrupted view of the flight of the visitor, says it shot out of the western horizon, from behind Mount Davidson. 4, pp. 2, p. 108. Several of these are fragments of broken individual stones (i.e., slices that have fusion crust on only one narrow side). This page is all about the new meteorites discovered in Nevada that are undoubtedly related to the Gold Basin meteorite strewn field discovered by Jim Kreigh. In detail, veins are less apparent in MF07 than in Misfits Flat 001, but they appear brighter in the CT scans indicative of FeNi filling, perhaps suggestive of a higher shock stage. The position of Misfits Flat dry lake relative to Reno, Virginia City, and Mount Davidson is according to Google Earth. The rock exhibits weak mosacisim but does not contain maskelynite.”. Koeberl C., Huber H., Morgan M., Warme J. E. (2003) Search for an extraterrestrial component in the Late Devonian Alamo Impact Breccia (Nevada): Results of iridium measurements, in Koeberl C., Martinez-Ruiz F., eds., Impact markers in the stratigraphic record: Springer-Verlag, Berlin, pp.

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