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Allan Hills A80105
Basic information Name: Allan Hills A80105
     This is an OFFICIAL meteorite name.
Abbreviation: ALHA80105
This meteorite may also be called Allan Hills 80105 (ALH 80105) in publications.

Observed fall: No
Year found: 1980
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 445 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 4(2)  (1981)  L6
Meteoritical Bulletin:  MB 76  (1994)  L6
NHM Catalogue:  5th Edition  (2000)  L6
MetBase:  v. 7.1  (2006)  L6
Recommended:  L6    [explanation]

This is 1 of 11000 approved meteorites (plus 6 unapproved names) classified as L6.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Writeuphelp
Writeup from AMN 4(2):

Sample No.: ALHA80105

Location: Allan Hills

Field No.: 1066

Weight (gms): 445.1

Meteorite Type: L6 Chondrite

 

Physical Description: Carol Schwarz

This sample is not a complete specimen. It has no fusion crust except for 2 or 3 small spots that may be remnant fusion crust. Some ~3 mm chondrules are visible. Several linear fractures which are heavily weathered are present and are similar to those in ALHA80101 and 80103. The interior is gray with oxidation halos and metal flecks. A discontinuous 2 mm thick weathering rind is present. Dimensions: 12 x 6.5 x 3.5 cm.

 

Petrographic Description: Brian Mason

Polished thin sections of ALHA80103, 80105 are identical in texture, mineral compositions, and degree of weathering with ALHA80101, indicating that these three specimens are pieces of a single meteorite.

Data from:
  MB76
  Table 2
  Line 496:
Origin or pseudonym:Main icefield
Mass (g):445.1
Class:L6
Weathering grade:B
Fayalite (mol%):24
Ferrosilite (mol%):20
Comments:26Al=58±3; 80101 pairing group
Catalogs:
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References: Published in Antarctic Meteorite Newsletter 4(2) (1981), 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° 46' 27"S, 159° 16' 32"E)
Note: the NHM and MetBase coordinates are 11.9 km apart

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