Meteoritical Bulletin: Entry for Grove Mountains 020281

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Grove Mountains 020281

Basic information

Name: Grove Mountains 020281
This is an OFFICIAL meteorite name.
Abbreviation: GRV 020281
Observed fall: No
Year found: 2003
Country: Antarctica [Collected by Chinese Antarctic Research Expedition (CARE)]
Mass: 1.79 g

Classification
history:

Meteoritical Bulletin:	MB 95	(2009)	Mesosiderite
Recommended:			Mesosiderite [explanation]

This is 1 of 273 approved meteorites classified as Mesosiderite. [show all]
Search for other: Mesosiderites, Metal-rich meteorites

Comments:

Approved 23 Dec 2008

Writeup

help

Writeup from MB online:

Grove Mountains 020281 (GRV 020281) 72° 58' 44"S, 75° 15' 39"E

Antarctica

Found: 10 January 2003

Classification: Mesosiderite

History: A stone of 1.79 g was recovered by Y. Ju on a moraine in Grove Mountains, Antarctica. Part of a black fusion crust remains.

Petrography: (A. Zhang, PMO) The stone contains 52 vol% silicate phases and 48 vol% metal and sulfide. The silicate part consists of low-Ca pyroxene and plagioclase. Most low-Ca pyroxene grains are nearly homogeneous without high-Ca pyroxene exsolution lamellae. Some low-Ca pyroxene grains show chemical zoning.

Geochemistry: (A. Zhang, PMO) Low-Ca pyroxene (En_57.4-71.4, average=En_61.9±5.0; Fs_25.8-40.6, average=Fs_35.6±5.2; Wo_1.7-4.0, average=Wo_2.4±0.6) and plagioclase (An_74.9-92.9, average=An_82.3±8.1; Ab_7.1-25.4, average=Ab_17.7±8.1).

Classification: Achondrite (Mesosiderite)

Specimens: All of the sample mass and a polished thin section are on deposit at PRIC.

Data from:
  MB95
  Table 5
  Line 31:

Date:	1/10/2003
Latitude:	72°58'44"S
Longitude:	75°15'39"E
Mass (g):	1.79
Pieces:	1
Class:	Mesosiderite
Ferrosilite (mol%):	25.8-40.6
Wollastonite (mol%):	1.7-4.0
Classifier:	PMO
Type spec location:	PRIC
Main mass:	PRIC

Institutions
and collections

PRIC: Polar Research Institute of China, 451 Jinqiao Road, Shanghai 200129, China; Website (institutional address; updated 9 Apr 2013)
PMO: Purple Mountain Observatory, Nanjing, China (institutional address; updated 16 Dec 2011)

Catalogs:

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References:

Published in Meteoritical Bulletin, no. 95, MAPS 44, 429-462 (2009)

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Geography:

Antarctica

Antarctica

Coordinates:
Recommended::	(72° 58' 44"S, 75° 15' 39"E)

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

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Revision
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