Diamond Meteorite
Item: 101.1 Dimensions: 60 x 47 x 25 mm Weight: 78.1 g
Provenance: Russian Academy of Science, Moscow
Cube: ~15mm x 15mm x 15mm ≈ 15mm3

Kainsaz

Country: Russia
Region: Respuvlika Tatarstan
Fell: 1937, September 13, 14:15 hrs
Group: Stone
Type: Carbonaceous Chondrite
Class: CO3.2
Total known weight: ~200kg

The carbon in this meteorite is characterized by pre-solar diamond, graphite and silicon dioxide.
15 pieces were seen to fall near Kainsaz, the largest of 102.5kg, and totalling over 200kg, M.H.Hey, Cat. Met., 1966, p.227. Briefly described, L.S.Selivanov, Nature, 1938, 142, p.623, C. R. (Doklady) Acad. Sci. URSS, 1938, 20, p.263 (M.A.7-270). The date of fall is given as September 14, I.S.Astapowitsch, Trans. Roy. Astron. Soc. Canada, 1938, 32, p.195 (M.A.7-172). The place of fall incorrectly mapped, P.M.Millman, Trans. Roy. Astron. Soc. Canada, 1938, 32, p.199, M.H.Hey [loc. cit.]. Analysis, M.I.D’yakanova, Meteoritika, 1964, 25, p.129. Total carbon and nitrogen contents, E.K.Gibson et al., GCA, 1971, 35, p.599. Classification, olivine Fa11.8, W.R.Van Schmus, Meteorite Research, ed. P.M.Millman, D.Reidel, Dordrecht-Holland, 1969, p.480; see also, W.R.Van Schmus and J.M.Hayes, GCA, 1974, 38, p.47. Another analysis, 25.56% total Fe, L.H.Ahrens et al., Meteoritics, 1973, 8, p.133. Alkali element abundances, W.Nichiporuk and C.B.Moore, GCA, 1974, 38, p.1691. Trace element abundances, E.Anders et al., GCA, 1976, 40, p.1131. Composition and origin of isolated olivine grains, H.Y.McSween,Jr, GCA, 1977, 41, p.411. Petrology of Ornans-type chondrites, metamorphism sequence, H.Y.McSween,Jr., GCA, 1977, 41, p.477. Chemical composition of matrix material, H.Y.McSween,Jr., GCA, 1977, 41, p.1145. Grain size distribution, T.V.V.King and E.A.King, Meteoritics, 1978, 13, p.47. Infrared photometry, albedo, JHK colors, M.Leake et al., Meteoritics, 1978, 13, p.101. Noble gas data for bulk material and acid-resistant residues, L.Alaerts et al., GCA, 1979, 43, p.1421. Cosmic ray tracks, N.Bhandari et al., Nucl. Tracks, 1980, 4, p.213. Trace element data, G.W.Kallemeyn and J.T.Wasson, GCA, 1981, 45, p.1217. Chondrule size distribution, G.V.Baryshnikova et al., LPSC, 1983, 14, p.21 (abs.). Analysis of chondrule olivine and orthopyroxene, E.R.D.Scott and G.J.Taylor, LPSC, 1983, 14, p.680 (abs.). Track densities, A.K.Lavrukhina et al., LPSC, 1984, 15, p.471 (abs.). Study of Xe components, A.K.Lavrukhina et al., LPSC, 1984, 15, p.475 (abs.); see also, D.V.Minh et al., LPSC, 1983, 14, p.804 (abs.). Oxygen isotopic composition, R.N.Clayton et al., Earth Planet. Sci. Lett., 1984, 67, p.151. Ti isotopic data, S.Niemeyer, Geophys. Res. Lett., 1985, 12, 733. Abundances and isotopic compositions of C, H and N, J.F.Kerridge, GCA, 1985, 49, p.1707. Chondrule elemental composition, A.K.Lavrukhina et al., Meteoritics, 1985, 20, p.693 (abs.). Major and trace element compositions of structurally characterized chondrules types, A.K.Lavrukhina et al., LPSC, 1986, 17, p.466 (abs.). Thermoanalytical curves, B.Lang et al., Papers 10th Symp. Ant. Met., NIPR Tokyo, 1985, p.40. Mn-53 data, V.A.Alexeev et al., LPSC, 1987, 18, p.17 (abs.). Chondrule mineral composition, G.V.Baryshnikova et al., LPSC, 1987, 18, p.46 (abs.). Occurence of Sc-rich phases in refractory lithophile-rich fragments, A.K.Lavrukhina et al., LPSC, 1987, 18, p.541 (abs.). TL data, B.D.Keck and D.W.G.Sears, GCA, 1987, 51, p.3013. TL study of chondrules, V.G.Kashkarova et al., Meteoritika, 1988, 47, p.126; see also, LPSC, 1987, 18, p.481 (abs.). Size-frequency distribution of chondrules, A.E.Rubin, Meteoritics, 1989, 24, p.179. Oxygen isotopic composition, Ar-Ar ages, A.K.Lavrukhina et al., Meteoritics, 1989, 24, p.291 (abs.). Petrology and analysis of olivines and orthopyroxenes in porphyritic chondrules, subtype classification, E.R.D.Scott and R.H.Jones, GCA, 1990, 54, p.2485. Composition of olivine and chromite in type II chondrules, C.A.Johnson and M.Prinz, GCA, 1991, 55, p.893. Study of chondrule rims, D.A.Kring, Earth Planet. Sci. Lett., 1991, 105, p.65; see also, LPSC, 1987, 18, p.517 (abs.). Uranium and Th isotope data, J.H.Chen et al., LPSC, 1992, 23, p.223 (abs.). Carbon and nitrogen isotopic composition, J.Newton et al., LPSC, 1992, 23, p.985 (abs.). Study of spinel-rich fine-grained inclusion, B.B.Holmberg and A.Hashimoto, Meteoritics, 1992, 27, p.149. Shock classification, E.R.D.Scott et al., GCA, 1992, 56, p.4281. TL data of diamonds, A.V.Fisenko et al., LPSC, 1993, 24, p.479 (abs.). TL data and track densities, L.L.Kashkarov et al., LPSC, 1993, 24, p.759 (abs.). Trace element analysis of olivine separates, A.K.Lavrukhina et al., LPSC, 1993, 24, p.857 (abs.). Oxygen isotopic composition of chondrules, A.K.Lavrukhina et al., Geochem. Internat., 1993, 30 (2), p.1. Forsterite and hercynite composition in isolated olivine inclusions, A.K.Lavrukhina et al., Geochem. Internat., 1994, 31 (9), p.48. Noble gas composition of high-purity separates of presolar diamonds, G.R.Huss and R.S.Lewis, Meteoritics, 1994, 29, p.791. Ni and Zn concentrations in fine-grained chondrule rims, A.J.Brearley et al., LPSC, 1995, 26, p.169 (abs.). Plagioclase-bearing chondrules contain isotopically normal Mg, I.D.Hutcheon and R.H.Jones, LPSC, 1995, 26, p.647 (abs.). Noble gas analyses of acid-resistant residue, diamond and SiC contents, G.R.Huss and R.S.Lewis, GCA, 1995, 59, p.115. Grain size distribution in fine-grained matrix phases, A.J.Brearley, LPSC, 1996, 27, p.159 (abs.). Mineralogy and secondary alteration of complex plagioclase-rich inclusion, R.H.Jones and I.D.Hutcheon, MAPS, 1996, 31, p.A67 (abs.); see also, R.H.Jones, MAPS, 1997, 32, p.A67 (abs.); Workshop on Modification of Chondritic Materials, LPI Tech. Rpt. 97-02, Part 1, 1997, p.30 (abs.). Analysis of P1 noble gases in acid residues by stepped pyrolysis, G.R.Huss et al., GCA, 1996, 60, p.3311. Petrological study of amoeboid olivine inclusions, chondrule size, and type of refractory inclusions, A.E.Rubin, MAPS, 1998, 33, p.385; see also, L.J.Chizmadia et al., MAPS, 1998, 33, p.A31 (abs.). Mineralogy, petrology, and isotopic composition of CAIs, S.S.Russell et al., GCA, 1998, 62, p.689. Petrographic study of Na-bearing CAIs, D.Itoh and K.Tomeoka, Papers 23rd Symp. Ant. Met., NIPR Tokyo, 1998, p.42 (abs.). Mineralogy and petrography of dark inclusions, D.Itoh and K.Tomeoka, Papers 24th Symp. Ant. Met., NIPR Tokyo, 1999, p.56 (abs.). Differentiation of matrix material, O.B.Mitreikina and N.G.Zinovieva, Papers 24th Symp. Ant. Met., NIPR Tokyo, 1999, p.105 (abs.). X-ray study of sulfur distribution in matrix-rich areas, J.N.Grossman and A.E.Rubin, LPSC, 1999, 30, abs. #1639. Determination of porosity and grain and bulk density, L.B.Moore et al., LPSC, 1999, 30, abs. #1128. Oxygen isotopic composition, R.N.Clayton and T.K.Mayeda, GCA, 1999, 63, p.2089. Study of troilite and magnetite rimmed FeNi grains, N.Imae and H.Kojima, Antarct. Meteorite Res., 2000, (13), p.65. Oxygen isotopic composition of amoeboid olivine aggregate within chondrule, H.Hiyagon, Papers 25th Symp. Ant. Met., NIPR Tokyo, 2000, p.19. IR absorption spectroscopy, T.Osawa et al., Papers 25th Symp. Ant. Met., NIPR Tokyo, 2000, p.125 (abs.). Petrology of silica nodules in CAIs, M.I.Petaev and J.A.Wood, MAPS, 2000, 35, p.A126 (abs.). Petrography and oxygen isotopic composition of CAIs, S.Itoh et al., LPSC, 2000, 31, abs. #1323. Isotopic composition of FUN-like hibonite inclusion, T.Ushikubo et al., LPSC, 2000, 31, abs. #1561. Oxygen isotopic composition of melilite in CAIs, J.T.Wasson et al., GCA, 2001, 65, p.4539; see also, LPSC, 2000, 31, abs. #2075. Mineralogy and petrology of amoeboid olivine inclusions, recommended petrologic subtype 3.2, L.J.Chizmadia et al., MAPS, 2002, 37, p.1781. Mn-Cr isotope systematics, A.Shukolyukov et al., LPSC, 2003, 34, abs. #1279. Grain density, D.T.Britt and G.J.Consolmagno, MAPS, 2003, 38, p.1161. Mineralogical and petrographical study of chondrule mesostases, D.Itoh and K.Tomeoka, Evolution of Solar System Materials: A New Perspective from Antarctic Meteorites, NIPR Tokyo, 2003, p.45 (abs.); see also, K.Tomeoka and D.Itoh, MAPS, 2004, 39, p.1359. Mn-Cr chronology of Fe-rich olivine, N.Sugiura, MAPS, 2003, 38, No. 7 (Suppl.), p.A36 (abs.). 3D structures of metal-sulfide grains, M.Kitamura et al., MAPS, 2003, 38, No. 7 (Suppl.), p.A52 (abs.). Distribution of Cr in chondrule olivine, J.N.Grossman, LPSC, 2004, 35, abs. #1320. Degree of alteration and metamorphism based on oxygen and carbon isotopic composition, R.C.Greenwood and I.A.Franchi, MAPS, 2004, 39, p.1823.