Meteoritical Bulletin: Entry for Grosvenor Mountains 95652

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Grosvenor Mountains 95652

Basic information

Name: Grosvenor Mountains 95652
This is an OFFICIAL meteorite name.
Abbreviation: GRO 95652
Observed fall: No
Year found: 1995
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 93.3 g

Classification
history:

Antarctic Meteorite Newsletter:	AMN 21(1)	(1998)	CV3
Meteoritical Bulletin:	MB 82	(1998)	CV3
NHM Catalogue:	5th Edition	(2000)	CV3
MetBase:	v. 7.1	(2006)	CV3
Recommended:			CV3 [explanation]

This is 1 of 602 approved meteorites (plus 1 unapproved name) classified as CV3. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites

Writeup

Writeup from AMN 21(1):

Sample No .:	GRO95652
Location:	Grosvenor Mountains
Dimensions (cm):	5.0x3.5x3.0
Weight (g):	93.33
Meteorite Type:	CV3 Chondrite

Macroscopic Description: Kathleen McBride
Ninety percent of the exterior of this carbonaceous chondrite is covered by a dull brown/black fusion crust, rough in texture. The matrix is black, soft and friable. Evaporites are present and inclusions are rusty to light colored.

Thin Section (,2) Description: Brian Mason
The section shows numerous chondrules and irregular aggregates, up to 3 mm across, in a black matrix. Trace amounts of metal and sulfide are present as minute grains, mostly within the chondrules. Chondrule types are mainly porphyritic or granular olivine. Microprobe analyses show olivine and pyroxene of variable composition: olivine, Fa0.3-16, mean Fa3; pyroxene, Fs4-13. The meteorite is classified as a C3 chondrite of the Vigarano subtype.

Data from:
  MB82
  Table A1
  Line 284:

Origin or pseudonym:	Outer Cecily
Mass (g):	93.3
Class:	CV3
Weathering grade:	B/Ce
Fayalite (mol%):	0.3-16
Ferrosilite (mol%):	4-13

Catalogs:

Search for specimens in the Smithsonian Institution collection (U.S.):	Require SI photo
Search for this meteorite in the NASA/JSC database (U.S.):

References:

Published in Antarctic Meteorite Newsletter 21(1) (1998), JSC, Houston
Published in Meteoritical Bulletin, no. 82, MAPS 33, A221-A240 (1998)

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Photos:

Credit	Photos
Photographs from AMN:
Photograph from unknown source	A photo is in the write-up above
Photos from the Encyclopedia of Meteorites:
courtesy Dr Carlton Allen, JSC-KT, NASA

Geography:

Antarctica

Coordinates:
Catalogue of Meteorites:	(85° 40'S, 175° 0'E)
Recommended::	(85° 40'S, 175° 0'E)

Statistics:
This is 1 of 43700 approved meteorites from Antarctica (plus 3802 unapproved names)

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