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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:help 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 504 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
Writeuphelp
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

GRO95652 Thumbnail

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
GRO95652 - Cross-Polarized LightThe 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.):   
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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:
CreditPhotos
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 39173 approved meteorites from Antarctica (plus 5051 unapproved names)
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