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| Allan Hills A81035 | |||||||||||||||||||||
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| Basic information | Name: Allan Hills A81035 This is an OFFICIAL meteorite name. Abbreviation: ALHA81035 This meteorite may also be called Allan Hills 81035 (ALH 81035) in publications. Observed fall: No Year found: 1981 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass:  256 g | ||||||||||||||||||||
| Classification history: |
This is 1 of 6364 approved meteorites (plus 5 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(1):
Sample No.: ALHA81035 Location: Allan Hills Field No.: 1562 Weight (gms): 256.1 Meteorite Type: H6 Chondrite
Physical Description: Roberta Score This is a complete specimen with patchy fusion crust covering the entire meteorite. Only weathered material was exposed when ALHA81035 was chipped. Dimensions: 7.5 x 5.5 x 3 cm.
Petrographic Description: Brian Mason Chondrules are relatively sparse and poorly defined; most of the section is a granular aggregate of olivine and pyroxene, with minor amounts of nickel-iron, troilite, and plagioclase. Weathering is extensive, with limonite veinlets and small areas of limonite throughout the section. Microprobe analyses give the following compositions: olivine, Fa19; orthopyroxene, Fs17; plagioclase, An13. The meteorite is classified as an H6 chondrite. | ||||||||||||||||||||
| Data from: MB76 Table 2 Line 558: |
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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 43332 approved meteorites from Antarctica (plus 3802 unapproved names) | ||||||||||||||||||||
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