Meteoritical Bulletin: Entry for Grove Mountains 021865

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Grove Mountains 021865

Basic information

Name: Grove Mountains 021865
This is an OFFICIAL meteorite name.
Abbreviation: GRV 021865
Observed fall: No
Year found: 2003
Country: Antarctica [Collected by Chinese Antarctic Research Expedition (CARE)]
Mass: 1.28 g

Classification
history:

Meteoritical Bulletin:	MB 95	(2009)	CV3
Recommended:			CV3 [explanation]

This is 1 of 470 approved meteorites (plus 2 unapproved names) classified as CV3. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites

Comments:

Approved 23 Dec 2008

Writeup

help

Writeup from MB online:

Grove Mountains 021865 (GRV 021865) 72° 46' 31"S, 75° 20' 15"E

Antarctica

Found: 20 January 2003

Classification: Carbonaceous chondrite (CV3)

History: The meteorite was found on the Moraine IV in Grove Mountains by Y. Ju. It is a fragment with some black fusion crust. Small light gray chondrules in dark matrix are present. The meteorite weighs 1.28 g.

Petrography: (G. Wang and D. Wang, GIGCAS). Chondrules range from 500 μm to 1000 μm in diameter. Aqueous alteration is highly developed in both chondrules and matrix. A few spinel-rich inclusions (<1000 μm) were found. Some chondrules have accretionary rims, and chondrule/matrix ratio is about 5.

Geochemistry: (G. Wang and D. Wang, GIGCAS). Low Ca-pyroxene contains low FeO (Fs_1.1-1.7Wo_{0.9 - 5.6}), olivine is highly heterogeneous within and among chondrules, with Fa = 0.6-51.7 mol%.

Classification: Carbonaceous chondrite (CV3).

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

Data from:
  MB95
  Table 5
  Line 135:

Date:	1/20/2003
Latitude:	72°46'31"S
Longitude:	75°20'15"E
Mass (g):	1.28
Pieces:	1
Class:	CV3
Shock stage:	S3
Weathering grade:	W1
Fayalite (mol%):	10.8 (0.6-51.7)
Ferrosilite (mol%):	1.3 (1.1-1.7)
Wollastonite (mol%):	2.6 (0.9-5.6)
Classifier:	GIGCAS
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)
GIGCAS: Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, China (institutional address)

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° 46' 31"S, 75° 20' 15"E)

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

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Revision
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