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Allan Hills 84035
Basic information Name: Allan Hills 84035
     This is an OFFICIAL meteorite name.
Abbreviation: ALH 84035
Observed fall: No
Year found: 1984
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 3.2 g
Antarctic Meteorite Newsletter:  AMN 9(2)  (1986)  C2
AMN 17(1)  (1994)  CM2
Meteoritical Bulletin:  MB 76  (1994)  CM2
NHM Catalogue:  5th Edition  (2000)  CM2
MetBase:  v. 7.1  (2006)  CM2
Recommended:  CM2    [explanation]

This is 1 of 620 approved meteorites classified as CM2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites
Writeup from AMN 9(2):

Sample No..: ALH84035, 040, 041, 043, 045, 047, 048, 049, 051

Location: Allan Hills

Meteorite Type: C2 Chondrite

See Table 5 for weights, dimensions, and field numbers.


Macroscopic Description: Carol Schwarz

These carbonaceous chondrite fragments are all fine-grained and black in color. Some of the fragments contain small white inclusions. Salt deposit has formed on most of them.


Thin Section Description: Brian Mason

These meteorites are C2 chondrites characterized by almost complete serpentinization and can confidently be paired with ALH84029, 84030, 84031, 84032, 84034, 84042, and 84044 (Antarctic Meteorite Newsletter 8(2)); ALH83100 and 83102 are very similar. The major component is a brown to black phyllosilicate matrix enclosing green to pale brown phyllosilicate pseudomorphs of chondrules, inclusions, and mineral grains. Minute grains of calcite are common. Rare grains of forsteritic olivine and clinoenstatite may be present.

Data from:
  Table 2
  Line 1000:
Origin or pseudonym:Far Western
Mass (g):3.2
Weathering grade:Ae
Fayalite (mol%):0.5-6
Ferrosilite (mol%):0.7-7
Comments:83100 pairing group
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References: Published in Antarctic Meteorite Newsletter 9(2) (1986), 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° 59' 32"S, 156° 58' 35"E)
Note: the NHM and MetBase coordinates are 74.9 km apart

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