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Allan Hills A81008
Basic information Name: Allan Hills A81008
     This is an OFFICIAL meteorite name.
Abbreviation: ALHA81008
This meteorite may also be called Allan Hills 81008 (ALH 81008) in publications.

Observed fall: No
Year found: 1981
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 43.8 g
Antarctic Meteorite Newsletter:  AMN 6(1)  (1983)  Eucrite-pmict
Meteoritical Bulletin:  MB 76  (1994)  Eucrite-pmict
NHM Catalogue:  5th Edition  (2000)  Eucrite-pmict
MetBase:  v. 7.1  (2006)  Eucrite-pmict
Recommended:  Eucrite-pmict    [explanation]

This is 1 of 395 approved meteorites classified as Eucrite-pmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Writeup from AMN 6(1):

Sample No.: ALHA81008

Location: Allan Hills

Field No.: 1270

Weight (gms): 43.8

Meteorite Type: Polymict Eucrite


Physical Description: Roberta Score

ALHA81008 is typical of the Allan Hills polymict eucrites. Dimensions: 5 x 3.5 x 3 cm.


Petrographic Description: Brian Mason

This specimen is very similar to ALHA81006 and 81007 in texture and in mineral compositions, and can be tentatively paired with those meteorites. Microprobe analyses show a comparable range in mineral compositions: pyroxene, Wo2-20, En35-61, Fs32-59; plagioclase An80-93, mean An87. The meteorite is classified as a polymict eucrite.

Data from:
  Table 2
  Line 531:
Origin or pseudonym:Main icefield
Mass (g):43.8
Class:Eu "pm"
Weathering grade:A/B
Ferrosilite (mol%):32-59
Comments:76005 pairing group
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References: Published in Antarctic Meteorite Newsletter 6(1) (1983), JSC, Houston
Published in Meteoritical Bulletin, no. 76, Meteoritics 29, 100-143 (1994)
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     Catalogue of Meteorites:   (76° 43'S, 159° 40'E)
     Recommended::   (76° 41' 40"S, 159° 23' 28"E)
Note: the NHM and MetBase coordinates are 7.5 km apart

     This is 1 of 43856 approved meteorites from Antarctica (plus 3802 unapproved names)
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