Dalgaranga meteorite / Mesosiderite / Large half individual 182.5g
  • Dalgaranga meteorite / Mesosiderite / Large half individual 182.5g

Dalgaranga meteorite / Mesosiderite

$5,475.00

Dalgaranga meteorite, Australia

Mesosiderite associated with a crater

Half Individual

Weight: 182.5 g

Size: 60 x 40 x 40 mm

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Dalgaranga meteorite (mesosiderite subgroup-A, associated with a crater in Australia, 1923, tkw 12.2kg).

Very few pieces were recovered around a crater 75 feet in diameter. Of the 12.2kg pieces that were recovered about half of them were highly oxidized.

A 182.5 g end cut with well preserved Ni-Fe

Weight = 182.5 g    Size = 60 x 40 x 40 mm

Dalgaranga meteorite / Mesosiderite from an Australian crater

Dalgaranga Crater / Age 30,000 years

McCall, G.J.H. 1965 New material from, and a reconsideration of, the Dalgaranga meteorite and crater, Western Australia http://www.minersoc.org/pages/Archive-MM/Volume_35/35-271-476.pdf

A number of small fragments of iron were found in and around a crater 70 ft. across and 11 ft. deep, but only one of 40g was preserved in E.S.Simpson's collection, M.H.Hey, Cat. Met., 1966, p.127. Described, with a partial analysis, E.S.Simpson, Min. Mag., 1938, 25, p.157. In 1960 search around the crater yielded 207 fragments with a total weight of 1.1kg, the largest weighing 57g, of which about half were oxidized irons and half mesosiderite. Within the crater 280 fragments, totalling about 20lb were collected, all of which proved to be highly oxidized mesosiderites, H.H.Nininger and G.I.Huss, Min. Mag., 1960, 32, p.619, G.J.H.McCall, Min.