Australian Medium Octahedrite
Item: 199.1 Dimensions: 190 x 120 x 90 mm Weight: 2.542 kg
Partial/complete: Fragment
Cube: ~15mm x 15mm x 15mm ≈ 15mm3

Wolf Creek

Country: Australia
Region: Western Australia
Found: 1947
Group: Iron
Type: Octahedrite, Medium
Class: IIIAB
Total known weight: Unknown

A large circular crater was first observed from the air in June 1947. Fragments of iron-shale are abundant on the SW part of the crater rim; they contain 3.5% to 4.5% Ni, some retain a little unaltered metal, Spec. Publ. West. Austr. Mus., 1965, (3), p.52, M.H.Hey, Cat. Met., 1966, p.523. Description of crater and material, W.A.Cassidy, Meteoritics, 1954, 1, p.197; L.LaPaz, Meteoritics, 1954, 1, 200. Further material, 1.3kg found, analysis, S.R.Taylor, Nature, 1965, 208, p.944. Further analysis, 9.22% Ni, 18.4 ppm Ga, 37.3 ppm Ge, 0.036 ppm Ir, E.R.D.Scott et al., GCA, 1973, 37, p.1957. Another analysis, Laeter, J. Roy. Soc. West. Austr., 1973, 56, p.123. Metallographic description; a little deformed or fractured, V.F.Buchwald, Handbook of Iron Meteorites, Univ. of California, 1975, p.1327. Contains pecoraite, a hydrated Ni silicate, G.T.Faust et al., U.S. Geol. Surv. Prof. Paper, 1973, (384C), A.L.Graham et al., Cat. Met., 1985, p.374. Calculation of meteoroid fragmentation sequence, B.Lang and K.Franaszczuk, LPSC, 1987, 18, p.531 (abs.). Calculation of terminal meteoroid mass and impact energy, D.O.ReVelle and R.S.Rajan, LPSC, 1989, 20, p.896 (abs.). Formation age of the crater is about 300,000 years, E.M.Shoemaker et al., Meteoritics, 1990, 25, p.409 (abs.). Siderophile element abundances in metal, impactites and target rock, M.Attrep et al., LPSC, 1991, 22, p.39 (abs.).