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Allan Hills A79003
Basic information Name: Allan Hills A79003
     This is an OFFICIAL meteorite name.
Abbreviation: ALHA79003
This meteorite may also be called Allan Hills 79003 (ALH 79003) in publications.

Observed fall: No
Year found: 1979
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 5.1 g
Antarctic Meteorite Newsletter:  AMN 4(1)  (1981)  L3
AMN 7(1)  (1984)  LL3
Meteoritical Bulletin:  MB 76  (1994)  LL3
NHM Catalogue:  5th Edition  (2000)  LL3
MetBase:  v. 7.1  (2006)  LL3.4
Antarctic Meteorite Newsletter:  AMN 33(1)  (2010)  LL3.4
Recommended:  LL3.4    [explanation]

This is 1 of 24 approved meteorites classified as LL3.4.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Writeup from AMN 4(1):

Sample No.: ALHA79003

Location: Allan Hills

Field No.: 1162

Weight (gms): 5.1

Meteorite Type: L3 Chondrite (tentative)


Physical Description: Roberta Score a Weathered black fusion crust covers most of this stone. Clasts are visible where; the sample is devoid of fusion crust. Dimensions: 2 x 1 x 1 cm.


Petrographic Description: Brian Mason

The section is texturally identical and the olivine and pyroxene show a similar range of composition to these minerals in ALHA79001; hence these two specimens are probably pieces of a single meteorite.

Data from:
  Table 2
  Line 441:
Origin or pseudonym:Main icefield
Mass (g):5.1
Weathering grade:B
Fayalite (mol%):10-38
Ferrosilite (mol%):5-26
Comments:79003 pairing group
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References: Published in Antarctic Meteorite Newsletter 4(1) (1981), 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' 21"S, 159° 21' 40"E)
Note: the NHM and MetBase coordinates are 8.4 km apart

     This is 1 of 43840 approved meteorites from Antarctica (plus 3802 unapproved names)
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