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| Allan Hills A81007 | |||||||||||||||||||||
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| Basic information | Name: Allan Hills A81007 This is an OFFICIAL meteorite name. Abbreviation: ALHA81007 This meteorite may also be called Allan Hills 81007 (ALH 81007) in publications. Observed fall: No Year found: 1981 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass:  163.5 g | ||||||||||||||||||||
| Classification history: |
This is 1 of 400 approved meteorites classified as Eucrite-pmict. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||
| Writeup |
Writeup from AMN 6(1):
Sample No.: ALHA81007 Location: Allan Hills Field No.: 1553 Weight (gms): 163.5 Meteorite Type: Polymict Eucrite
Physical Description: Roberta Score This achondrite looks typical of the Allan Hills polymict eucrites. These include ALHA76005, A77302, A78040, A78132, A78156, A78165, A80102, A81006, A81007, A81008, A81010. Dimensions: 8.5 x 6 x 2.5 cm.
Petrographic Description: Brian Mason This specimen is very similar to ALHA81006 in texture and in mineral compositions, and may be tentatively paired with that meteorite. Microprobe analyses show a comparable range in mineral compositions: pyroxene, Wo3-28, En31-52, Fs38-55; plagioclase, An74-93, mean An88. The meteorite is classified as a polymict eucrite. | ||||||||||||||||||||
| Data from: MB76 Table 2 Line 530: |
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| References: | Published in Antarctic Meteorite Newsletter 6(1) (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 44248 approved meteorites from Antarctica (plus 3802 unapproved names) | ||||||||||||||||||||
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