Meteoritical Bulletin: Entry for Steingarden Nunataks 07009

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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 f�r Geowissenschaften und Rohstoffe (BGR), Germany
Mass: 32.27 kg

Classification
history:

Meteoritical Bulletin:	MB 105	(2016)	Iron, ungrouped
Recommended:			Iron, ungrouped [explanation]

This is 1 of 151 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

Writeup

help

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 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.

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 für 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

Antarctica

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

Statistics:
This is 1 of 44543 approved meteorites from Antarctica (plus 3802 unapproved names)

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Revision
history:

This lists important revisions made to data for this record.

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