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Country: France
State/District: Loir-et-Cher, Vendome
Co-ordinates: 47°42'N 1°4'E
Date of fall: 1872, July 23 1720
Total known weight: 51.7 kg (approx.)
Number of pieces: 6
Type: Stone. Carbonaceous chondrite (Ornans group, type 3.4-3.5), TL-subtype 3.4
Shock Stage: S1
Mineral analyses: Total iron: 24.65%
Olivine Fa21.2, PMD 63
Pyroxene Fs3.6, PMD 86
kamacite: 5.3% Ni, 1.0% Co, 0.10% Cr
Pairings: not known
Synonyms: Authon, Lance, Orléans
Metbase description: Show/Hide
After the appearance of a fireball (moving from SW to NW), and detonations, a shower of stones fell, of which six were recovered. The total weight was about 51.7kg and the largest stone weighed 47kg, L.M.de Tastes, C. R. Acad. Sci. Paris, 1872, 75, p.273, M.H.Hey, Cat. Met., 1966, p.261. Description, R.von Drasche, Tschermaks Min. Petr. Mitt., 1875, p.1. Analysis, H.B.Wiik, GCA, 1956, 9, p.279. Classification, olivine Fa21.2, 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. Mineralogy, M.Christophe Michel-Levy, Meteorite Research, ed. P.M.Millman, 1969, p.492. Study of CAIs, G.Kurat, Earth Planet. Sci. Lett., 1970, 9, p.225. XRF analysis, 24.65% total Fe, T.S.McCarthy and L.H.Ahrens, Earth Planet. Sci. Lett., 1972, 14, p.97. Kr and Xe isotopic composition, K.Marti, Earth Planet. Sci. Lett., 1967, 3, p.243; see also, O.Eugster et al., Earth Planet. Sci. Lett., 1967, 3, p.249. Perovskite-spinel chondrule, M.J.Frost and R.F.Symes, Min. Mag., 1970, 37, p.724. Total carbon and nitrogen contents, E.K.Gibson et al., GCA, 1971, 35, p.599. Uranium content, D.E.Fisher, GCA, 1972, 36, p.15. Partial INAA, R.A.Schmitt et al., Meteoritics, 1972, 7, p.131. Volatile trace element abundances, D.R.Case et al., GCA, 1973, 37, p.19. Elemental abundances in chondrules, T.W.Osborne et al., GCA, 1974, 38, p.1359. Alkali element abundances, W.Nichiporuk and C.B.Moore, GCA, 1974, 38, p.1691. Petrology, G.Kurat, Tschermaks Min. Petr. Mitt., 1975, 22, p.38 (M.A.76-2705). 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. Pd content, N.Mermelengas et al., GCA, 1979, 43, p.747. Noble gas data for bulk material and acid-resistant residues, L.Alaerts et al., GCA, 1979, 43, p.1421. I-Xe dating, J.Crabb et al., LPSC, 1980, 11, p.174 (abs.); GCA, 1982, 46, p.2511. Trace element data and compositional classification, G.W.Kallemeyn and J.T.Wasson, GCA, 1981, 45, p.1217. Analysis of chondrule olivine and orthopyroxene, E.R.D.Scott and G.J.Taylor, LPSC, 1983, 14, p.680 (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. Fe isotopes in hercynite, A.Fahey and E.Zinner, LPSC, 1987, 18, p.277 (abs.). TL data, B.D.Keck and D.W.G.Sears, GCA, 1987, 51, p.3013. Carbon and oxygen isotopic composition of carbonates, M.M.Grady et al., GCA, 1988, 52, p.2855. Ca and Ti isotopic composition in hibonite-hercynite inclusions, A.Fahey et al., Meteoritics, 1986, 21, p.359 (abs.). Size-frequency distribution of chondrules, A.E.Rubin, Meteoritics, 1989, 24, p.179. TEM study of matrix mineralogy, L.P.Keller and P.R.Buseck, GCA, 1990, 54, p.1155. 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. Isotope anomalies in hibonite-bearing microspherules, T.R.Ireland et al., GCA, 1991, 55, p.367. Olivine composition and thermal history, R.H.Jones and D.C.Rubie, Earth Planet. Sci. Lett., 1991, 106, p.73. Carbon and nitrogen isotopic composition, J.Newton et al., LPSC, 1992, 23, p.985 (abs.). Shock classification, E.R.D.Scott et al., GCA, 1992, 56, p.4281. Th-U abundances, A.Rocholl and K.P.Jochum, Earth Planet. Sci. Lett., 1993, 117, p.265. Effect of metamorphism on isolated olivine grains, R.H.Jones, GCA, 1993, 57, p.2853. Bulk density and porosity, M.Terho et al., Studia Geophysica et Geodaedica, 1993, 37, p.65. Petrography, major and trace element composition, and Mg, Ca, Ti, and Fe isotopic composition of hibonite-rich refractory inclusion, A.J.Fahey et al., GCA, 1994, 58, p.4779. Study of Li distribution, S.Schirmeyer et al., MAPS, 1996, 31, p.A123 (abs.). Study of noble gas component "Q" in acid-resistant residue, H.Busemann et al., LPSC, 1997, 28, p.183 (abs.). Composition of fusion crust, M.J.Genge and M.M.Grady, MAPS, 1997, 32, p.A45 (abs.); see also, MAPS, 1999, 34, p.341. Porosity and liquid permeability, C.M.Corrigan et al., MAPS, 1997, 32, p.509. Study of alteration features in plagioclase-rich chondrules, R.H.Jones, Workshop on Modification of Chondritic Materials, LPI Tech. Rpt. 97-02, Part 1, 1997, p.30 (abs.). Petrological study of amoeboid olivine inclusions, chondrule size, and type of refractory inclusions, A.E.Rubin, MAPS, 1998, 33, p.385. 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.). Analysis of chondrule and CAI size and abundance, C.May et al., LPSC, 1999, 30, abs. #1688. Oxygen isotopic composition, R.N.Clayton and T.K.Mayeda, GCA, 1999, 63, p.2089. Noble gas data, cosmic-ray exposure age, P.Scherer and L.Schultz, MAPS, 2000, 35, p.145. Study of primordial noble gases in "phase Q" by closed-system stepped heating, H.Busemann et al., MAPS, 2000, 35, p.949. Study of troilite and magnetite rimmed FeNi grains, N.Imae and H.Kojima, Antarct. Meteorite Res., 2000, (13), p.65. Cu and Zn isotopic composition, J.M.Luck et al., MAPS, 2001, 36, p.A118 (abs). Mineralogy and petrology of amoeboid olivine inclusions, recommended petrologic subtype 3.5, L.J.Chizmadia et al., MAPS, 2002, 37, p.1781. 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. Porosity and density, D.T.Britt and G.J.Consolmagno, MAPS, 2003, 38, p.1161. Degree of alteration and metamorphism based on oxygen and carbon isotopic composition, R.C.Greenwood and I.A.Franchi, MAPS, 2004, 39, p.1823.
The meteorite data was copied from MetBase 7.1 for Windows.
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