Country: Greenland
State/District: West Greenland
Co-ordinates: 76°8'N, 64°56'W
Date of find: 1818
Total known weight: 58,200kg (approx.)
Number of pieces: 8
Remarks:
Classification:
Type: Octahedrite, medium (1.2mm)
Shock Stage:
Weathering Stage:
Mineral Analyses:
Pairings: Thule?
Synonyms: Agpalilik, Ahnighito, Akpohon, Anighito, Baffin's Bay, Davis Strait, Dog, Melville, Melville Bay, North Star Bay, Northumberland Island, Ross's Iron, Savik, Saviksue, Sowallick Mountains, Swallik, Woman
Metbase description: Show/Hide
Knives of iron with bone handles were given to Capt. John Ross in 1818 by the Esquimos of Prince Regent's Bay, John Ross, Voyage of Discovery in Baffin's Bay, London, 1819, p.102-118. Three large masses, weighing respectively about 59 tons, 3 tons, and 896lb and named "The Tent" or Ahnighito, "The Woman," and "The Dog", were shown to Lieut. R.E.Peary, by whom they were later transported to New York, R.E.Peary, Northward over the Great Ice, London, 1898, 2, p.145, 553, 600, M.H.Hey, Cat. Met., 1966, p.87. The weight of Ahnighito was long in doubt but is now known to be 31 metric tons, B.Mason, Meteorites, Wiley, 1962, p.27, M.H.Hey [loc. cit.]. The Ni content varies in different parts of the masses, 7.34 to 7.86% Ni, V.M.Goldschmidt, Proc. Roy. Inst. Gt. Britain, 1929, 26, p.73, V.M.Goldschmidt, Die Naturwiss., 1930, 18, p.999 (M.A.5-7), M.H.Hey [loc. cit.]. Another mass of 3.5 tons was found by Esquimos on a small peninsula called Savik in the Prince Regent Bay; it was removed to Copenhagen, Univ. Min. Geol. Mus., in 1925; description, O.B.Boggild, Meddel. Gronland, 1927, 74, p.11 (M.A.3-535). The mass of 48kg found in 1955 and reported, F.C.Leonard, Meteoritics, 1965, 1, p.305 (M.A.13-82), as a new mass of Cape York is a distinct fall named Thule, V.F.Buchwald, GCA, 1961, 25, p.95. Three further masses have been reported, one of 7.8kg found at Saveqarfik in 1961 (Savik II) and one of about 15 tons found in 1963 at Agpalilik, V.F.Buchwald, GCA, 1964, 28, p.125. The third mass of 250g was found on Northumberland Island, 77°30'N, 71°W, but is believed to be a transported fragment from the Melville Bay area, V.F.Buchwald, Naturens Verden, 1964, p.33, M.H.Hey [loc. cit.]. K-Ar data, W.Kaiser and J.Zähringer, Meteorite Research, ed. P.M.Millman, D.Reidel, Dordrecht, Holland, 1969, p.429. Study of shock effects, A.V.Jain and M.E.Lipschutz, Meteorite Research, ed. P.M.Millman, D.Reidel, Dordrecht-Holland, 1969, p.780. Nitrogen abundance, E.K.Gibson and C.B.Moore, GCA, 1971, 35, p.877. Hg abundance, N.A.Ozerova et al., GCA, 1973, 37, p.569. Analysis, 7.58% Ni, 19.2 ppm Ga, 36.0 ppm Ge, 5.0 ppm Ir, E.R.D.Scott et al., GCA, 1973, 37, p.1957. Minor and trace element distribution in elongated troilite inclusions, K.P.Jochum et al., Meteoritics, 1975, 10, p.419 (abs.). Comprehensive history, description, oriented troilite, artificial cold working, V.F.Buchwald, Handbook of Iron Meteorites, Univ. of California, 1975, p.410. Noble gas isotopes in metal and troilite, L.K.Levsky and A.N.Komarov, GCA, 1975, 39, p.275. Experimental study of solubility limits of kamacite and taenite, A.D.Romig,Jr and J.I.Goldstein, GCA, 1981, 45, p.1187. Study of compositional variation across individual masses, K.H.Esbensen et al., GCA, 1982, 46, p.1913. Ag and Cd isotope data, J.H.Chen and G.J.Wasserburg, LPSC, 1983, 14, p.101 (abs.). Pb isotopic composition of metal and sulfide, J.H.Chen and G.J.Wasserburg, LPSC, 1983, 14, p.103 (abs.). Nitrogen, Li-6, Co, Fe and Ir abundances in acid resistant phases, S.V.S.Murty et al., GCA, 1983, 47, p.1061. Ag and Pb isotopic composition of metal and sulfide, J.H.Chen and G.J.Wasserburg, GCA, 1983, 47, p.1725. Nitrogen and Ar isotopic composition of metal and troilite, S.V.S.Murty and K.Marti, LPSC, 1984, 15, p.581 (abs.). Xe isotopes in troilite, cosmic-ray exposure age, K.Marti et al., LPSC, 1986, 17, p.516 (abs.). Trace elements in metal phase, S.R.Sutton et al., LPSC, 1986, 17, p.853 (abs.). Trace element distribution in mineral and metallic phases, C.Koeberl et al., Mem. Nat. Inst. Polar Res., Tokyo, 1986, (41), p.297. Petrologic study of sulfide phases, search for host of Ag-107 anomaly, J.Teshima et al., GCA, 1986, 50, p.2073. Oxygen isotopic composition of chromite, R.N.Clayton et al., LPSC, 1986, 17, p.141 (abs.). Ga and Ge contents of chromite and associated phases, A.Kracher et al., LPSC, 1987, 18, p.515 (abs.). Nucleogenic noble gas components in troilite and metal phase, S.V.S.Murty and K.Marti, GCA, 1987, 51, p.163. Ni, Cu and Se abundances in troilite, S.R.Sutton et al., GCA, 1987, 51, p.2653. Ag, Pd isotopic composition, J.H.Cheng and G.J.Wasserburg, GCA, 1990, 54, p.1729. Mn-Cr isotope systematics in phosphates, I.D.Hutcheon and E.Olsen, LPSC, 1991, 22, p.605 (abs.). Sulfur isotopic composition of troilite, X.Gao and M.H.Thiemens, GCA, 1991, 55, p.2671; see also, LPSC, 1990, 21, p.401 (abs.). Be-10 and Mn-53 data, K.Nishiizumi et al., Meteoritics, 1991, 26, p.379 (abs.). Nitrogen isotopic composition, I.A.Franchi et al., GCA, 1993, 57, p.3105, C.A.Prombo and R.N.Clayton, GCA, 1993, 57, p.3749; see also, LPSC, 1983, 14, p.620 (abs.). Tl and Pb abundances in sulfide and metal, J.H.Chen and G.J.Wasserburg, LPSC, 1994, 25, p.245. Contains Na-rich buchwaldite, maricite and other phosphates, E.J.Olsen and I.M.Steele, LPSC, 1994, 25, p.1025 (abs.). Nitrogen isotopic abundances and cosmic-ray produced He-3, Ne-21, and Ar-38 in metal and troilite, S.V.S.Murty and K.Marti, GCA, 1994, 58, p.1841.Re-Os systematics, M.I.Smoliar et al., LPSC, 1996, 27, p.1225 (abs.); see also, J.J.Shen et al., GCA, 1996, 60, p.2887. Oxygen isotopic composition, R.N.Clayton and T.K.Mayeda, GCA, 1996, 60, p.1999. Cooling rate determination based on size of island region in cloudy zone of taenite, C.-W.Yang et al., MAPS, 1997, 32, p.423. Origin and chemical composition of chromite inclusions, J.T.Wasson et al., GCA, 1999, 63, p.1219. Study of weathering products schwertmannite and awaruite, T.P.Pedersen, MAPS, 1999, 34, p.A90 (abs.). Ion-probe analysis of PGEs and Au, G.R.Huss et al., LPSC, 1999, 30, abs. #1493; see also, W.Hsu et al., GCA, 2000, 64, p.1133. Nitrogen isotopic signatures; relation to chondritic metal, K.J.Mathew et al., LPSC, 1999, 30, abs. #1426. Distribution of PGEs between phases, W.F.McDonough et al., LPSC, 1999, 30, abs. #2062. Analyses of Agpalilik and Savik, J.T.Wasson, GCA, 1999, 63, p.2875. Ru isotopic composition, J.H.Chen et al., LPSC, 2003, 34, abs. #1789; see also, D.A.Papanastassiou et al., LPSC, 2004, 35, abs. #1828. Rietveld structure refinement of troilite, R.Skála, MAPS, 2003, 38, No. 7 (Suppl.), p.A65 (abs.). Mo isotopic composition, J.H.Chen et al., LPSC, 2004, 35, abs. #1431. LA-ICP-MS analysis, M.I.Petaev and S.B.Jacobsen, MAPS, 2004, 39, p.1685.
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