8.9 grams. 27 x 19 x 15 mm. Howardite
TKW 1472 grams. Observed fall 2 April 1936.
   
jnmczurich writes:
A fresh Yurtuk fragment with some slightly shiny fusion crust. Dealer trade 1997
Information from Metbase 7.2:
One stone of 509g fell through the roof of a house, while several pieces, one of 51.5g, were picked up outside, M.H.Hey, Cat. Met., 1966, p.531.
Description, with an analysis, L.L.Ivanov, C. R. (Doklady) Acad. Sci. URSS, 1937, 17, p.371 (M.A.7-175). Oxygen isotopic composition of mineral fractions, R.N.Clayton et al., Earth Planet. Sci. Lett., 1976, 30, p.10. Total mass recovered 1472g, L.G.Kvasha and A.Ya.Skripnik, Meteoritika, 1978, 37, p.207, A.L.Graham et al., Cat. Met., 1985, p.385. Noble gas data, radiation ages, R.Ganapathy and E.Anders, GCA, 1969, 33, p.775. Mössbauer study of pyroxene, T.V.Malysheva et al., Meteoritika, 1972, 31, p.101. Bulk chemical and mineral analysis, B.Mason et al., Smithson. Contrib. Earth Sci., 1979, (22), p.27. Composition and origin of metal grains, R.H.Hewins, GCA, 1979, 43, p.1663. Petrology, T.C.Labotka and J.J.Papike, GCA, 1980, (Suppl.14), p.1103. Analysis of olivine grains, C.Desnoyers, GCA, 1982, 46, p.667. Study of melt breccia clast, R.Ostertag, LPSC, 1984, 15, p.619 (abs.). Oxygen isotopic composition, R.N.Clayton and T.K.Mayeda, GCA, 1996, 60, p.1999. EPMA analysis of fusion crust, M.J.Genge and M.M.Grady, MAPS, 1999, 34, p.341. |