| JMDMT #2742 Microfossils of Cyanobacteria in Carbonaceous MeteoritesMon, 24 Nov 2008 08:53:22 -0800 by h4ck3rm1k3The James M. DuPont Meteorite Collection -specimen, Vernad; main Bessey in 11/2000; main mass, Verish. mass, S. V. Afanasiev. LA6 = classified by A. Rubin (UCLA); type specimen, UCLA; purchased by Vr4 = classified by D. Badyukuv (Vernad); type specimen, Vernad; main mass, Farmer and Cott in 9/2000; main mass, Verish. unknown. LA7 = classified by A. Rubin (UCLA). Specimens: type specimen, UCLA; Vr5 = classified by S. Afanasiev, N. Kononkova and A. I. Ivliev (Vernad). main mass, R. Matson. Vr6 = classified by M. A. Ivanova, M. A. Nazarov (Vernad) and L. Taylor, A. LA8 = classified by J. Wasson (UCLA). Specimens: type specimen, UCLA; Patchen (UTenn). main mass, anonymous dealers. Related: meteorite life fossils cyanobacteria carbonaceous | |
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| JMDMT #2741 Microfossils of Cyanobacteria in Carbonaceous MeteoritesMon, 24 Nov 2008 08:52:28 -0800 by h4ck3rm1k3The James M. DuPont Meteorite Collection -A. Pani (Pani). LA3 = classified by A. Rubin and H. Imai (UCLA); purchased by Bessey. Specimens: type specimen, NHMV; main mass, Pani. Specimens: type specimen, UCLA; main mass, Gessler. Vr1 = classified by S. V. Afanasiev and N. Kononkova (Vernad); type LA4 = classified by A. Rubin (UCLA); purchased by M. Farmer (Farmer) specimen, Vernad; main mass, unknown. and M. Cottingham (Cott) in 8/2000. Specimens: type specimen, UCLA; Vr2 = classified by S. V. Afanasiev (Vernad); purchased by Bessey. Specimens: main mass, Hartman. type specimen, Vernad; main mass, Bessey. LA5 = classified by A. Rubin (UCLA); type specimen, UCLA; purchased by Vr3 = classified by S. V. Afanasiev (Vernad); type Related: meteorite life fossils cyanobacteria carbonaceous | |
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| JMDMT #2734 Microfossils of Cyanobacteria in Carbonaceous MeteoritesMon, 24 Nov 2008 08:46:02 -0800 by h4ck3rm1k3The James M. DuPont Meteorite Collection -Japan. UWS: University of Washington, Dept. Geological Sciences, Box 351310, UAng: Université d'Angers, Faculté des Sciences, 2 bd Lavoisier, F-49045 Seattle, WA 98195, USA. Angers Cedex, France. Verish: Robert Verish, Meteorite Recovery Foundation, P.O. Box 237, UAz: Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ Sunland, CA 91040, USA. 85721, USA. Vernad: Vernadsky Institute of Geochemistry and Analytical Chemistry, UChi: University of Chicago, Chicago, IL 60637, USA. Russian Academy of Sciences, Kosygin Str. 19, Moscow 117975, Russia. UCLA: Institute of Geophysics and Planetary Physics, University of Yemen: Geological Survey of Yemen, c/o Dr. M. A. Mattash, Geological California, Los Related: meteorite life fossils cyanobacteria carbonaceous | |
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| JMDMT #2728 Microfossils of Cyanobacteria in Carbonaceous MeteoritesMon, 24 Nov 2008 08:39:14 -0800 by h4ck3rm1k3The James M. DuPont Meteorite Collection -Academy of Sciences, 90290-0706, USA. Beijing 100012, China. GIG: Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, NAU: Northern Arizona University, Flagstaff, AZ 86011, USA. Guangzhou 510640, China. NHM: The Natural History Museum, London, UK. Gregory: Dr. David Gregory, 230 First Avenue, Suite 108, St. Thomas, Ontario NHMV: Naturhistorisches Museum, Postfach 417, A-1014 Wien, Austria. N5R 4P5, Canada. NSMT: National Science Museum, 3-23-1 Hyakunin-cho, Shinjuku-ku, Tokyo GSC: National Meteorite Collection, Geological Survey of Canada, 601 Booth 169-0073, Japan. Street, Ottawa, Ontario K1A 0E8, Canada. NU: Department of Earth Sciences, Nanjing University, Nanjing Related: meteorite life fossils cyanobacteria carbonaceous | |
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| JMDMT #2727 Microfossils of Cyanobacteria in Carbonaceous MeteoritesMon, 24 Nov 2008 08:37:43 -0800 by h4ck3rm1k3The James M. DuPont Meteorite Collection - and Carine Bidaut, La Memoire de la Terre SARL, MSFC: NASA/George C. Marshall Space Flight Center, Huntsville, AL Rue de la Mairie, F-39240 La Boissiere, France. 35812, USA. Fernlea: Mr. Rob Elliott, Fernlea Meteorites, Milton of Balgonie, Fife. KY7 MSUR: Department of Geology, Moscow State University, Vorobjovy Gory, 6PY, Scotland, UK. Moscow, 119899, Russia. Frei: Institut für Mineralogie, Universität Freiburg, Albertstrasse 23b, D- Mün: Institut für Planetologie, Wilhelm-Klemm-Str. 10, D-48149 Münster, 79104 Freiburg, Germany. Germany. Gessler: Nicholas Gessler, Box 706, 22148 Monte Vista Road, Topanga, CA NAOC: National Astronomical Observatories, Chinese Related: meteorite life fossils cyanobacteria carbonaceous | |
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| JMDMT #2726 Microfossils of Cyanobacteria in Carbonaceous MeteoritesMon, 24 Nov 2008 08:36:39 -0800 by h4ck3rm1k3The James M. DuPont Meteorite Collection - Università di Siena, Via Laterina Cott: M. Cottingham Meteorite Collection, P.O. Box 727, Silver City, NM 8, I-53100 Siena, Italy. 88062, USA. MNB: Museum für Naturkunde, Invalidenstrasse 43, D-10115 Berlin, CRAAG: Astronomy and Astrophysics and Geophysics Research Center, Germany. Algiers, Algeria. MNHNP: Museum National d'Histoire Naturelle, Paris, France. ENSL: Ecole Normale Supérieure de Lyon, Laboratoire de Sciences de la MNRJ: Museu Nacional, Quinta da Boa Vista, Rio de Janeiro, CEP 20940- Terre, 46 allée d'Italie, F-69364 Lyon Cedex, France. 040 Brazil. Farmer: Mike Farmer, 1001 W. St Mary, Tucson, AZ 85745, USA. MPI: Max Planck Institut für Chemie, Mainz, Germany. Fectay: Bruno Fectay Related: meteorite life fossils cyanobacteria carbonaceous | |
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| JMDMT #2720 Microfossils of Cyanobacteria in Carbonaceous MeteoritesMon, 24 Nov 2008 08:29:23 -0800 by h4ck3rm1k3The James M. DuPont Meteorite Collection -consistent with recent subrounded pyroxene grains may be up to 1.2 mm. Rounded clasts fall. See also Wilson and Rucklidge (2001). Specimens: type specimen, 23 mm in size show coarse ophitic to subophitic (gabbroic) textures. 600 g, Yemen; 93 g and polished thin section, GSC; main mass believed Accessory minerals are silica, ilmenite, titanian chromite, and troilite. to reside with the finders (as of 2001 September 28). Isolated plagioclase clasts and plagioclase laths from the larger, gabbroic clasts have similar composition, An 86 (mean of three AcknowledgementsThis Bulletin was prepared by the Meteorite Nomenclature analyses). Low Ca-pyroxene has a composition of Fs59Wo2. Exsolved Committee Related: meteorite life fossils cyanobacteria carbonaceous | |
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| JMDMT #2719 Microfossils of Cyanobacteria in Carbonaceous MeteoritesMon, 24 Nov 2008 08:28:36 -0800 by h4ck3rm1k3The James M. DuPont Meteorite Collection -stone 12-year-old boy, while walking in the mountains. Mineralogy and was collected the following day. Classification and analysis (G. C. classification (G. Raade, UOslo): the meteorite is a breccia with Wilson, UToron): Macroscopically, the fall is a breccia, with well- developed fusion crust and a pale interior. Olivine, Fa19.4; ortho- relic primary gabbroic textures. The main minerals are plagioclase pyroxene, En81.3Fs17.3Wo1.4; kamacite, 0.56 wt% Co and 6.78 wt% (with undulatory extinction) and pyroxene (low-Ca pigeonite). They Ni. Tetrataenite, averaging 50.3 wt% Ni, is an accessory mineral. occur as angular clasts (0.05 to 0.7 mm) in a fine-grained groundmass; Shock stage, S2; negligible degree of weathering, Related: meteorite life fossils cyanobacteria carbonaceous | |
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| JMDMT #2718 Microfossils of Cyanobacteria in Carbonaceous MeteoritesMon, 24 Nov 2008 08:27:43 -0800 by h4ck3rm1k3The James M. DuPont Meteorite Collection - from Campo Yafa province, Yemen del Cielo. Specimens: type specimen, mass (2), MNRJ, Brazil; main Fell 2000 July 15, 14:45 h GMT mass: Mr. Carvalho, mass (1) and (4). Ordinary chondrite (H5) A main mass of ?5 kg and a second mass of ?700 g are known. 61°02' N, 06°03' E Viksdalen Many witnesses reported a fireball over a wide area from Ma'raban Norway to Aden (some 95 km to the south-southwest) to Ad Dhala (70 km Found 1992 July 4 west-southwest of Ma'raban) and many in the region reported Achondrite (eucrite) associated sound effects. The larger stone was collected on the day Fragments of a single 470 g stone were found by Steffan Hatlestad, a of the fall, probably within 23 h of the event. The smaller Related: meteorite life fossils cyanobacteria carbonaceous | |
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| JMDMT #2717 Microfossils of Cyanobacteria in Carbonaceous MeteoritesMon, 24 Nov 2008 08:26:51 -0800 by h4ck3rm1k3The James M. DuPont Meteorite Collection - recovered: (1) 29 kg, (2) 25.2 kg, (3) 300 g, and (4) 18 kg, on the property of Mr. Wilson Rezende. Mass (1) was W0, consistent with fresh fall. Shock stage, S2. Specimens: type found by a cattleman in 1992, masses (2) and (3) were found in 1994 specimen, 3 g and thin section, MPI; main mass is property of and 1999 respectively by Célio Rezende, and mass (4) by miners anonymous finder, on loan to the Gothenburg Observatory, 01445 prospecting for gold in 2000. Classification (M. E. Zucolotto, MNRJ; Radebeul, Germany. J. Wasson UCLA): cohenite-schreibersi te-rich iron. Bulk composition: Co = 0.46%, Ni = 6.43%, Ga = 89.6 ppm, As = 11.6 ppm, Ir = 3.36 ppm, Yafa 13°42'40" N, 45°10'12" E Au = 1.46 ppm. The composition is indistinguishable Related: meteorite life fossils cyanobacteria carbonaceous | |
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| JMDMT #2712 Microfossils of Cyanobacteria in Carbonaceous MeteoritesMon, 24 Nov 2008 08:19:52 -0800 by h4ck3rm1k3The James M. DuPont Meteorite Collection - plagioclase occurs in interstices (6.5 vol%, 0.62, S = 0.21, Ir = 0.94, Co = 1.10, Au = 0.94. Oxygen isotopes (M. Kusakabe, OkaU): ?17O = +2.64 to +2.94?, ?18O = +3.85 to An38.5Or3.7); troilite (?3.5 vol%, 0.01 wt% Ni); chromite (?1 vol%, Fe/(Fe + Mg) = 0.817, Cr/(Cr + Al) = 0.818). Oxygen isotopes +4.22?. Cosmogenic nuclides (J. Park, R. Okazaki and K. Nagao, (R. Clayton and T. Mayeda, UChi): ?17O = 0.85?, ?18O = +1.70?, UTok): 21Ne exposure age = 31 Ma. Specimens: type specimen, 9 g different from other achondrites. Noble gases (L. Schultz, MPI): (8.5 g remaining), NSMT; main mass property of the finder and on data compatible with those of brachinites; exposure age is ?45 Ma. long-term loan to Towada Related: meteorite life fossils cyanobacteria carbonaceous | |
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| JMDMT #2709 Microfossils of Cyanobacteria in Carbonaceous MeteoritesMon, 24 Nov 2008 08:16:23 -0800 by h4ck3rm1k3The James M. DuPont Meteorite Collection -Bourot-Denise et al. Ca-pyroxene (Fs911En8991); plagioclase (An1518Ab7882), Fe-Ni (2002). Bulk chemistry (J. Zipfel and B. Spettel, MPI; H. Palme, metal, troilite, chromite, and apatite; with abundant 120° triple point Köln): refractory lithophiles fractionated compared to a typical CR junctions. shock stage, S1; weathering grade, W1. The meteorite is composition, leading to possible classification as a primitive mineralogically similar to Graves Nunataks (GRA) 98028 but larger achondrite (Zipfel et al., 2002). Oxygen isotopes (M. Javoy, IPGP): ?17O = +0.18 ± 0.08?, ?18O = +2.94 ± 0.2?. Weathering grade, grain size (300400 ?m) than GRA 98028 (50100 ?m). Specimens: W0/1; shock stage, unknown. Related: meteorite life fossils cyanobacteria carbonaceous | |
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| JMDMT #2696 Microfossils of Cyanobacteria in Carbonaceous MeteoritesMon, 24 Nov 2008 08:08:47 -0800 by h4ck3rm1k3The James M. DuPont Meteorite Collection -54 ?g/g, W = 6.8 ?g/g, Ir = 2.45 ?g/g, Pt = 37.7 ?g/g, Au = 6.52 ?g/g. (8) Med. oct., Co = 5.22 mg/g, Ni = 83.6 mg/g, Cu = 151 ?g/g, Ga = 20.5 ?g/g, As = 7.88 ?g/g, W = 0.63 ?g/g, Ir = 0.404 ?g/g, Pt = 6.3 ?g/g, Au = 1.064 ?g/g. (9) Highly unequilibrated chondrite with well-defined chondrules and some contain zoned olivine. Its matrix contains fine blades and laths of Fe-rich olivine and is very similar to Krymka (L3.1) matrix. These characterisitics suggest that it is L ? 3.3. (10) A highly unequilibrated chondrite of petrological type L ? 3.3 and with shock-darkened silicates. #See "Abbreviations for Analysts and Specimen Locations" after References. Related: meteorite life fossils cyanobacteria carbonaceous | |
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| JMDMT #2694 Microfossils of Cyanobacteria in Carbonaceous MeteoritesMon, 24 Nov 2008 08:06:35 -0800 by h4ck3rm1k3The James M. DuPont Meteorite Collection - by a dealer about where the specimen may have been collected, this is noted instead of the latitude and longitude Most of the collection locations cannot be verified. *Meteorites may have been sold under some of these names or numbers. These are NOT recognized by the Nomenclature Committee, and some are not uniquely associated with the meteorite classified in this table. Only the NWA number should be used. ?Coordinates of place of supposed origin; not all reports may be trustworthy, and the Nomenclature Committee lacks the resources to investigate. ?"P" indicates a date of purchase, others are reported dates of find. §Notes: sv = shock veins; br = brecciated; Wo = Wo content of low-Ca pyroxene (mol%); CPX Related: meteorite life fossils cyanobacteria carbonaceous | |
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| JMDMT #2687 Microfossils of Cyanobacteria in Carbonaceous MeteoritesMon, 24 Nov 2008 08:00:39 -0800 by h4ck3rm1k3The James M. DuPont Meteorite Collection - (An 92 ); pyrrhotite, chromite (Al 2 O 3 = 8.4 wt%); and troilite. Specimens: type specimen, 22 g and one polished thin kamacite, 5.8 wt% Ni; rare taenite (42 wt% Ni), silica and section, ENSL; main mass is with the anonymous purchaser. phosphate. Shock stage, S1; weathering grade, W0. Specimens: Northwest Africa 1240 type specimen, 20.2 g thin section, NAU; main mass is with the Northwest Africa anonymous purchaser. Found 2001 Oman Meteorites Achondrite (eucrite, anomalous) (203 meteorites) A single stone of 98 g was bought in Zagora in 2001 November. Oman Classification and mineralogy (J-A. Barrat, UAng; A. Jambon, UPVI; Found 19992002 M. Bohn, I-CB; V. Sautter, MNHNP; Ph. Gillet, ENSL; Related: meteorite life fossils cyanobacteria carbonaceous | |
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| JMDMT #2685 Microfossils of Cyanobacteria in Carbonaceous MeteoritesMon, 24 Nov 2008 07:58:37 -0800 by h4ck3rm1k3The James M. DuPont Meteorite Collection -say that these stones defined a strewnfield ?1.5 km long and within a few kilometers of Northwest Africa 1239 Zagora. Classification and mineralogy (T. Bunch and J. Wittke, NAU): Northwest Africa chondrules account for 63 vol%; small chondrules (%3C1.5 mm) tend to Found 2001 be round and metal-poor, large chondrules (%3C4.0 mm) are mostly Achondrite (diogenite) irregularly shaped with abundant metal (kamacite = 5.26.0 wt% Ni). Olivine, Fa1.32.1; orthopyroxene, Fs2.23.2Wo0.8; plagioclase, An9597; A single stone of 237 g was bought in Zagora in 2001 May. The pyrrhotite (Ni = 1.4 wt%); phyllosilicates, serpentine-greenalit e series meteorite is a polymict breccia that contains more than 90 vol% (Mg %3E Fe); chondrule and matrix glasses are Related: meteorite life fossils cyanobacteria carbonaceous | |
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| JMDMT #2684 Microfossils of Cyanobacteria in Carbonaceous MeteoritesMon, 24 Nov 2008 07:57:34 -0800 by h4ck3rm1k3The James M. DuPont Meteorite Collection - enstatite, En 99Wo 1 (76 vol%), feldspar An 74.895.6Or0.66.8 (8 vol%), minor silica (1 vol%) and 15 vol% ofmass is with the purchaser. Si-bearing Fe metal, schreibersite, Cr-bearing troilite and rust. Accessory minerals are oldhamite, ferromagnesian alabandite,Northwest Africa 1180 sphalerite, Fe-Ni metal, taenite, carbon phase, Fe-Ni-Cr alloy, Morocco Sb- and Ag-sulfides. The meteorite bears some similarities with Itqiy. Found 2000 Shock stage is S2/3, weathering stage is W3/4. Specimens: type Carbonaceous chondrite (CR2) specimen, 16.6 g and two polished thin sections, Vernad; main mass Eight fully to mostly crusted stones, weighing a total of 1705 g, were is with the anonymous finder. purchased in Rissani (2001). The local finders Related: meteorite life fossils cyanobacteria carbonaceous | |
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| JMDMT #2682 Microfossils of Cyanobacteria in Carbonaceous MeteoritesMon, 24 Nov 2008 07:55:24 -0800 by h4ck3rm1k3The James M. DuPont Meteorite Collection - Specimens: type specimen, 20 g and several medium clast size (%3C1.5 cm); clast modal analyses of 22 cm2 yield: thin sections, UWS; main mass, Hupe. diogenites, 82 vol%; ophitic to subophitic basalts, 12%; shock melt, 4%; others, 2%. Diogenite clasts, orthopyroxene (Fs 24Wo 1.5)Northwest Africa 1150 predominant over pigeonite (Fs30Wo8), plagioclase, An96, ilmenite, Morocco chromite and pyrrhotite. Shock stage, S2; weathering grade, W1. Purchased 2000 Specimens: type specimen, 20.3 g and one thin section, NAU; main Achondrite (howardite) mass is with the purchaser. A 67.1 g stone was purchased in Tagounite, Morocco, by a meteorite collector. Classification and mineralogy (T. Bunch Related: meteorite life fossils cyanobacteria carbonaceous | |
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| JMDMT #2679 Microfossils of Cyanobacteria in Carbonaceous MeteoritesMon, 24 Nov 2008 07:52:42 -0800 by h4ck3rm1k3The James M. DuPont Meteorite Collection - Found 2001 Morocco Achondrite (polymict eucrite) Purchased 2001 November A 3279 g, crusted stone was purchased in Rissani, in 2001. Martian meteorite (basaltic shergottite) Classification and mineralogy (T. Bunch and J. Wittke, NAU): modal G. and A. Hupe (Hupe) received a small sample of this meteorite in analyses (area of 34 cm2), eucritic basalts, 94 vol%; shock melt clasts, 2001 September and bought the rest from a dealer in Erfoud, Morocco 4 vol%, diogenites, 2 vol%. At least 34 different eucrite clasts were in 2001 November. The weight of the total material purchased is 118 g. observed that range from micro-ophitic/suboph itic (%3C0.1 mm) to The place of recovery is believed to be in Morocco. Classification cumulate to very coarse-grained gabbroic Related: meteorite life fossils cyanobacteria carbonaceous | |
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