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Graves Nunataks 98005
Basic information Name: Graves Nunataks 98005
     This is an OFFICIAL meteorite name.
Abbreviation: GRA 98005
Observed fall: No
Year found: 1998
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 203 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 22(2)  (1999)  C2
NHM Catalogue:  5th Edition  (2000)  C2
Meteoritical Bulletin:  MB 84  (2000)  C2
MetBase:  v. 7.1  (2006)  C2
Antarctic Meteorite Newsletter:  AMN 33(1)  (2010)  CM2
Recommended:  CM2    [explanation]

This is 1 of 533 approved meteorites classified as CM2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites
Writeuphelp
Writeup from AMN 22(2):

Sample No.:

GRA 98 005

Location:

Graves Nunataks

Dimensions (cm):

8.0x5.5x2.5

Weight (g):

202.85

Meteorite Type:

C2 Chondrite

QUE98005 Thumbnail

Macroscopic Description: Kathleen McBride
The exterior of this carbonaceous chondrite is dull and black with white evaporites along the edges. The top face has a large yellowish brown inclusion. The meteorite appears to have no fusion crust. The interior is brown, very weathered and crumbles easily. Evaporite deposits are present on the interior surface.

Thin Section (,6) Description: Tim McCoy
GRA98005 - Cross-Polarized Light The section consists of a few small chondrules (up to 0.5 mm), mineral grains and CAIs set in a black matrix; rare metal and sulfide grains are present. Olivine compositions are Fa0-4, orthopyroxene is Fs1-2. The matrix consists dominantly of an Fe-rich serpentine. The meteorite is a C2 chondrite.

Data from:
  MB84
  Table A1
  Line 6:
Origin or pseudonym:Lower Central
Mass (g):202.9
Class:C2
Weathering grade:CE
Fayalite (mol%):0-4
Ferrosilite (mol%):1-2
Comments:98005 pairing group
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 22(2) (1999), JSC, Houston
Published in Meteoritical Bulletin, no. 84, MAPS 35, A199-A225 (2000)
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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:
Dr Carlton Allen, JSC-KT, NASA      
Geography:

Antarctica
Coordinates:
     Catalogue of Meteorites:   (86° 43'S, 141° 30'W)
     Recommended::   (86° 43'S, 141° 30'W)

Statistics:
     This is 1 of 39173 approved meteorites from Antarctica (plus 5051 unapproved names)
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