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Allan Hills A80126
Basic information Name: Allan Hills A80126
     This is an OFFICIAL meteorite name.
Abbreviation: ALHA80126
This meteorite may also be called Allan Hills 80126 (ALH 80126) in publications.

Observed fall: No
Year found: 1980
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 34.5 g
Antarctic Meteorite Newsletter:  AMN 5(1)  (1982)  H6
Meteoritical Bulletin:  MB 76  (1994)  H6
NHM Catalogue:  5th Edition  (2000)  H6
MetBase:  v. 7.1  (2006)  H6
Recommended:  H6    [explanation]

This is 1 of 6379 approved meteorites (plus 5 unapproved names) classified as H6.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Writeup from AMN 5(1):

Sample No.: ALHA80126

Location: Allan Hills

Field No.: 1015

Weight (gms): 34.5

Meteorite Type: H6 Chondrite


Physical Description: Roberta Score

Brownish black fusion crust covers all but one surface. The fracture surface has been moderately weathered. Chipping exposed a medium gray interior containing clasts. One particular clast is white and 1 x 1 cm in diameter. Other large clasts are also visible. Oxidation is scattered throughout but mainly as a discontinuous rind. Dimensions: 4.5 x 2 x 2 cm


Petrographic Description: Brian Mason

Over most of the section chondritic structure is barely discernable, but one area shows well developed chondrules ranging up to 0.9 mm in diameter. The meteorite consists of olivine and pyroxene with minor amounts of nickel-iron, plagioclase, and troilite. Fusion crust bounds part of the section. Brown limonitic staining is present around metal grains. Microprobe analyses gave the following compositions: olivine, Fa19; pyroxene, Fs17; plagioclase, An12. The meteorite is classified as an H6 chondrite.

Data from:
  Table 2
  Line 516:
Origin or pseudonym:Main icefield
Mass (g):34.5
Weathering grade:A/B
Fayalite (mol%):19
Ferrosilite (mol%):17
Comments:26Al=76±7; 80122 pairing group
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References: Published in Antarctic Meteorite Newsletter 5(1) (1982), 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° 44' 28"S, 159° 17' 48"E)
Note: the NHM and MetBase coordinates are 9.9 km apart

     This is 1 of 43352 approved meteorites from Antarctica (plus 3802 unapproved names)
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