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Steingarden Nunataks 07009
Basic information Name: Steingarden Nunataks 07009
     This is an OFFICIAL meteorite name.
Abbreviation: STG 07009
Observed fall: No
Year found: 2007
Country: Antarctica [Collected the Bundesanstalt für Geowissenschaften und Rohstoffe (BGR), Germany
Mass:help 32.27 kg
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  Iron, ungrouped
Recommended:  Iron, ungrouped    [explanation]

This is 1 of 126 approved meteorites (plus 1 unapproved name) classified as Iron, ungrouped.   [show all]
Search for other: Iron meteorites, Metal-rich meteorites, and Ungrouped irons
Comments: Approved 26 Nov 2016
Writeuphelp
Writeup from MB 105:

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 fĂĽr 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.

Data from:
  MB105
  Table 0
  Line 0:
Origin or pseudonym:snow-covered ice slope
Date:2007
Latitude:72°17.339'S
Longitude:16°03.210'E
Mass (g):32274
Pieces:1
Class:Iron, ungrouped
Classifier:J.T. Wasson, UCLA
Type spec mass (g):37.3
Type spec location:NHMV
Main mass:BGR
Comments:Submitted by F. Brandstätter
Institutions
   and collections
NHMV: Naturhistorisches Museum, Burgring 7, 1010 Wien, Austria, Austria; Website (institutional address; updated 18 Jan 2019)
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
BGR: Bundesanstalt fĂĽr Geowissenschaften und Rohstoffe (BGR) Geozentrum Hannover Stilleweg 2 30655 Hannover, Germany (institutional address; updated 27 Jul 2013)
Catalogs:
References: Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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Geography:

Antarctica
Coordinates:
     Recommended::   (72° 17' 20"S, 16° 3' 13"E)

Statistics:
     This is 1 of 39173 approved meteorites from Antarctica (plus 5051 unapproved names)
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