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Allan Hills 85006
Basic information Name: Allan Hills 85006
     This is an OFFICIAL meteorite name.
Abbreviation: ALH 85006
Observed fall: No
Year found: 1985
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 49 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 9(3)  (1986)  CV3
Meteoritical Bulletin:  MB 76  (1994)  CV3
NHM Catalogue:  5th Edition  (2000)  CV3
MetBase:  v. 7.1  (2006)  CV3
Recommended:  CV3    [explanation]

This is 1 of 491 approved meteorites classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Writeuphelp
Writeup from AMN 9(3):

Sample No.: ALH85006

Location: Allan Hills

Weight (g): 49.0

Field No.: 2660

Dimensions (cm): 4 x 3 x 3

Meteorite Type: C3V Chondrite

 

Macroscopic Description: René Martinez

Fusion crust is present on only one surface of this coherent stone. The interior is made up of chondrules, up to 2 mm in diameter, and irregular white inclusions, up to 3 mm in longest dimension.

 

Thin Section (,5) Description: Brian Mason

The section shows a variety of chondrules (up to 2.5 mm across), chondrule fragments, and irregular clasts in a dark brown to black matrix. Fine-grained opaques are dispersed throughout the matrix and rim some of the chondrules. The matrix consists largely of fine-grained iron-rich (Fa45-47) olivine. Olivine in the chondrules and mineral fragments is usually near MgSiO4 in composition, but more iron-rich grains are also present. Pyroxene is much less abundant than olivine, and is close to MgSiO3 in composition. The meteorite is a C3 chondrite of the Vigarano subtype.

Data from:
  MB76
  Table 2
  Line 1235:
Origin or pseudonym:Far Western
Mass (g):49
Class:CV3
Weathering grade:A
Fayalite (mol%):0.3-43
Ferrosilite (mol%):0.9-4.9
Catalogs:
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References: Published in Antarctic Meteorite Newsletter 9(3) (1986), 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° 51' 8"S, 156° 19' 3"E)
Note: the NHM and MetBase coordinates are 86.8 km apart

Statistics:
     This is 1 of 38674 approved meteorites from Antarctica (plus 5051 unapproved names)
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