Steingarden Nunataks 07009LINK"Steingarden Nunataks 07009 (STG 07009) 72°17.339’S, 16°03.210’E
Antarctica
Find: 2007
Classification: Iron meteorite (ungrouped)
History: The meteorite was found in 2007 in Antarctica during the Queenmet reconnaissance expedition carried out in the Antarctic field season 2007/08 by the Bundesanstalt für Geowissenschaften und Rohstoffe (BGR), Germany.
Physical characteristics: (F. Brandstätter, NHMV) One complete 32.6 kg individual with regmaglypts. The grayish-black exterior appears fresh, no oxidation features in the meteorite’s interior.
Petrography: (F. Brandstätter, NHMV) The meteorite is a plesstic octahedrite with almost all kamacite spindles (apparent diamter = 0.08±0.03 mm, N = 30) having nuclei of schreibersite.
Classification: (J.T. Wasson, UCLA) The meteorite is an ungrouped iron. It has no close relatives. Chemical composition: Cr=20 μg/g; Co=6.76 mg/g; Ni=139.9 mg/g; Cu=282 μg/g; Ga=10.4 μg/g; Ge=166 μg/g; As=14.8 μg/g; Sb=74 ng/g; W=0.29 µg/g; Re=16 ng/g; Ir=0.129 μg/g; Pt=4.4 μg/g; Au=1.606 μg/g.
Specimens: The main mass (32.2 kg) is on deposit at BGR; type specimen (37.3 g) at NHMV."