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| Allan Hills A81094 | |||||||||||||||||||||
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| Basic information | Name: Allan Hills A81094 This is an OFFICIAL meteorite name. Abbreviation: ALHA81094 This meteorite may also be called Allan Hills 81094 (ALH 81094) in publications. Observed fall: No Year found: 1981 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass:  152 g | ||||||||||||||||||||
| Classification history: |
This is 1 of 6825 approved meteorites (plus 6 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 |
Writeup from AMN 6(2):
Sample No.: ALHA81094 Location: Allan Hills Field No.: 1108 Weight (gms): 152.0 Meteorite Type: A Chondrite
Physical Description: Carol Schwarz Shiny black to brown fusion crust covers this specimen. Several large fractures penetrate the interior. The interior is dark red brown with no features distinguishable. Dimensions: 5 x 5 x 3 cm
Petrographic Description: Brian Mason Chondrules are present, but are extensively integrated with the granular groundmass, which consists largely of olivine and pyroxene, with minor amounts of nickel-iron, troilite, and plagioclase. Weathering is extensive, with limonitic staining and small areas of limonite throughout the section. Microprobe analyses gave the following compositions: olivine, Fa19; orthopyroxene, Fs16; plagioclase, An12 . The meteorite is an H6 chondrite. | ||||||||||||||||||||
| Data from: MB76 Table 2 Line 617: |
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| References: | Published in Antarctic Meteorite Newsletter 6(2) (1983), JSC, Houston Published in Meteoritical Bulletin, no. 76, Meteoritics 29, 100-143 (1994)
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Geography:
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Statistics: This is 1 of 44543 approved meteorites from Antarctica (plus 3802 unapproved names) | ||||||||||||||||||||
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| Revision history: |
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