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| Allan Hills A77071 | |||||||||||||||||||||||||
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| Basic information | Name: Allan Hills A77071 This is an OFFICIAL meteorite name. Abbreviation: ALHA77071 This meteorite may also be called Allan Hills 77071 (ALH 77071) in publications. Observed fall: No Year found: 1977 Country: Antarctica [Collected jointly by ANSMET (US) and NIPR (Japan)] Mass:  10.9 g | ||||||||||||||||||||||||
| Classification history: |
This is 1 of 10209 approved meteorites (plus 18 unapproved names) classified as H5. [show all] Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||
| Writeup |
Writeup from AMN 4(1):
Sample No.: ALHA77071 Location: Allan Hills Field No.: 77122711 Weight (gms): 10.87 Meteorite Type: H5 Chondrite
Physical-Description: A relatively smooth brownish-black fusion crust covers approximately 50% of the sample. The remaining surfaces are fracture faces. These surfaces are brown, moderately weathered and show iron oxide staining. Approximate maximum length is 2.0 cm.
Petrographic Description: Brian Mason This meteorite is similar in texture, mineral composition, and degree of weathering to ALHA77061, 77062, and 77064, which suggests that these stones may be separate pieces of the same meteorite. | ||||||||||||||||||||||||
| Data from: MB76 Table 2 Line 62: |
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| References: | Published in Antarctic Meteorite Newsletter 4(1) (1981), 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 40719 approved meteorites from Antarctica (plus 4494 unapproved names) | ||||||||||||||||||||||||
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