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| Allan Hills A80118 | |||||||||||||||||||||
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| Basic information | Name: Allan Hills A80118 This is an OFFICIAL meteorite name. Abbreviation: ALHA80118 This meteorite may also be called Allan Hills 80118 (ALH 80118) in publications. Observed fall: No Year found: 1980 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass:  2.4 g | ||||||||||||||||||||
| Classification history: |
This is 1 of 6544 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 5(1):
Sample No.: ALHA80118 Location: Allan Hills Field No.: 1010 Weight (gms): 2.4 Meteorite Type: H6 Chondrite
Physical Description: Carol Schwarz This small specimen is completely covered with fusion crust. The bottom is shiny black with reddish areas and pitted. The remaining surfaces are a dull black. Chipping revealed a thick fusion crust with a small area of light gray matrix. Dimensions: 2 x 1.3 x 6 cm
Petrographic Description: Brian Mason Chondritic structure is practically absent, the specimen consisting largely of granular olivine and pyroxene, with minor amounts of nickel-iron, plagioclase, and troilite. Well-preserved fusion crust, up to 3 mm thick, rims part of the section. The specimen shows few signs of weathering. Microprobe analyses gave the following compositions: olivine, Fa17; orthopyroxene, Fs15; plagioclase, An13. The meteorite is classified as an H6 chondrite. | ||||||||||||||||||||
| Data from: MB76 Table 2 Line 508: |
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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 43856 approved meteorites from Antarctica (plus 3802 unapproved names) | ||||||||||||||||||||
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