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| Allan Hills A80120 | |||||||||||||||||||||
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| Basic information | Name: Allan Hills A80120 This is an OFFICIAL meteorite name. Abbreviation: ALHA80120 This meteorite may also be called Allan Hills 80120 (ALH 80120) in publications. Observed fall: No Year found: 1980 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass:  60.1 g | ||||||||||||||||||||
| Classification history: |
This is 1 of 12780 approved meteorites (plus 11 unapproved names) classified as L6. [show all] Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||
| Writeup |
Writeup from AMN 5(1):
Sample No.: ALHA80120 Location: Allan Hills Field No.: 1025 Weight (gms): 60.0 Meteorite Type: L6 Chondrite
Physical Description: Carol Schwarz There is no fusion crust on this specimen except for a small area on the B face. The remainder of the sample is rough and weathered similar to ALHA80101. Although there are few distinct fractures its roughness causes it to be quite friable. The interior is light gray with oxidation halos and a dark gray weathering rind. A 7 mm chondrule was separated during chipping. Dimensions: 6 x 3 x 2 cm
Petrographic Description: Brian Mason Chondrules are sparse and poorly defined, tending to merge with the granular matrix, which consists largely of olivine and pyroxene, with minor amounts of plagioclase, troilite, and nickel-iron. A moderate amount of limonitic staining is present around nickel-iron grains. Microprobe analyses gave the following mineral compositions: olivine, Fa24; orthopyroxene, Fs20; plagioclase, An11. The meteorite is classified as an L6 chondrite. | ||||||||||||||||||||
| Data from: MB76 Table 2 Line 510: |
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| References: | Published in Antarctic Meteorite Newsletter 5(1) (1982), 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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