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Allan Hills A81312
Basic information Name: Allan Hills A81312
     This is an OFFICIAL meteorite name.
Abbreviation: ALHA81312
This meteorite may also be called Allan Hills 81312 (ALH 81312) in publications.
Observed fall: No
Year found: 1981
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 0.7 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 7(1)  (1984)  C2
Meteoritical Bulletin:  MB 76  (1994)  C2
NHM Catalogue:  5th Edition  (2000)  CM2
MetBase:  v. 7.1  (2006)  CM2
Antarctic Meteorite Newsletter:  AMN 31(1)  (2008)  CM2
Recommended:  CM2    [explanation]

This is 1 of 615 approved meteorites classified as CM2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites
Data from:
  MB76
  Table 2
  Line 833:
Origin or pseudonym:Main icefield
Mass (g):0.7
Class:C2
Weathering grade:A
Fayalite (mol%):1-35
Ferrosilite (mol%):1-31
Catalogs:
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References: Published in Antarctic Meteorite Newsletter 7(1) (1984), JSC, Houston
Published in Meteoritical Bulletin, no. 76, Meteoritics 29, 100-143 (1994)
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Geography:

Antarctica
Coordinates:
     Catalogue of Meteorites:   (76° 43'S, 159° 40'E)
     Recommended::   (76° 41' 19"S, 159° 22' 59"E)
Note: the NHM and MetBase coordinates are 7.9 km apart

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