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| Allan Hills 94007 | |||||||||||||||||||||
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| Basic information | Name: Allan Hills 94007 This is an OFFICIAL meteorite name. Abbreviation: ALH 94007 Observed fall: No Year found: 1994 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass:  1.2 g | ||||||||||||||||||||
| Classification history: |
This is 1 of 52 approved meteorites classified as L3.4. [show all] Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||
| Writeup |
Writeup from AMN 19(2):
Macroscopic Description: Kathleen McBride
The exterior surface of this meteorite is weathered brown with
thin patches of fusion crust. Fractures penetrate the surface.
The interior is brown with heavy oxidation and some metal visible.
Thin Section (,2) Description: Brian Mason The section shows numerous chondrules (up to 1.8 mm across), chondrule fragments, and mineral grains in a black matrix that contains a small amount of nickel-iron and troilite. The meteorite is considerably weathered, with limonitic staining and patches of brown limonite throughout the section. Microprobe analyses show olivine and pyroxene of variable composition: olivine, Fa7-38, mean Fa17: pyroxene, Fa1-21. The meteorite is classified as an L3 chondrite (estimated L3.4). | ||||||||||||||||||||
| Data from: MB82 Table A1 Line 7: |
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| References: | Published in Antarctic Meteorite Newsletter 19(2) (1996), JSC, Houston Published in Meteoritical Bulletin, no. 82, MAPS 33, A221-A240 (1998)
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Geography:
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Statistics: This is 1 of 44248 approved meteorites from Antarctica (plus 3802 unapproved names) | ||||||||||||||||||||
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