Country:
USA
State/District:
New Mexico, Colfax Co.
Date of fall/find:
Found 1954, January
Total known weight:
104.8 kg
Number of pieces:
1
Type:
Ordinary chondrite, contains impact-melt rock, highly shocked
Shock stage: S6
Meteoritical Bulletin record: Click here
A weathered stone of 231lb was found, the chondrules are up to 2 cm in diameter, L.LaPaz, Meteoritics, 1954, 1, p.182 (M.A.13-53). Analysis, B.Mason and H.B.Wiik, GCA, 1964, 28, p.533. Listed, K.Keil, Fortschr. Min., 1960, 38, p.215. Further analysis, 19.06% total Fe, V.Y.Kharitonova, Meteoritika, 1969, 29, p.91. Classification and analysis, shocked and weathered, olivine Fa24.2, D.E.Lange and K.Keil, Meteoritics, 1976, 11, p.315 (abs.). Mineral analysis of host (olivine Fa25.1) and impact melt rock (olivine Fa25.2), E.R.D.Scott et al., LPSC, 1986, 17, p.785 (abs.). Ar-Ar age, cosmogenic radionuclides and noble gases, D.D.Bogard et al., LPSC, 1990, 21, p.103 (abs.). Cosmogenic nuclides, irradiation history, D.H.Garrison et al., LPSC, 1991, 22, p.429. Ar isotopic data, D.H.Garrison et al., Meteoritics, 1991, 26, p.336 (abs.). Ar-Ar ages of shock-melted phases, D.H.Garrison and D.D.Bogard, LPSC, 1992, 23, p.397 (abs.). Petrographic shock classification, D.St”ffler et al., GCA, 1991, 55, p.3845. Probably paired with Point of Rocks (stone), supported by Rb-Sr ages, T.Fujiwara and N.Nakamura, LPSC, 1992, 23, p.387 (abs.). Chemical fractionation of lithophile and siderophile elements, T.Fujiwara and N.Nakamura, Papers 18th Symp. Ant. Met., NIPR Tokyo, 1993, p.208 (abs.). Cu content, A.E.Rubin, Meteoritics, 1994, 29, p.93. Contains the largest zone of impact-melt known among stony meteorites; Ar-Ar dating and petrology, D.D.Bogard et al., GCA, 1995, 59, p.1383. Chemical composition of impact melt and host material, M.D.Norman, Workshop on Modification of Chondritic Materials, LPI Tech. Rpt. 97-02, Part 1, 1997, p.45 (abs.). Geochemistry, M.D.Norman, LPSC, 1999, 30, abs. #1097. Chlorine abundance, D.H.Garrison et al., MAPS, 2000, 35, p.419. Abundances of highly siderophile elements, M.F.Horan et al., LPSC, 2001, 32, abs. #1577. Major and trace element composition of chondritic and melt rock portions; study of volatile and siderophile element fractionation, M.D.Norman and D.W.Mittlefehldt, MAPS, 2002, 37, p.329. Relative M”ssbauer absorption areas, H.C.Verma et al., MAPS, 2003, 38, p.963.