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Allan Hills 83038 | |||||||||||||||||||||
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Basic information | Name: Allan Hills 83038 This is an OFFICIAL meteorite name. Abbreviation: ALH 83038 Observed fall: No Year found: 1983 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass: 86.5 g | ||||||||||||||||||||
Classification history: |
This is 1 of 69 approved meteorites classified as L3.8. [show all] Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||
Writeup |
Writeup from AMN 10(2):
Sample No.: ALH83038 Location: Allan Hills Weight (g): 86.5 Field No.: 2517 Dimensions (cm): 5 x 4 x 3 Meteorite Type: L3 Chondrite
Macroscopic Description: René Martinez, Brown, polygonally fractured fusion crust covers the top and iridescent fusion crust covers the bottom. Interior is heavily weathered, no features are visible in the brown matrix.
Thin Section (,3) Description: Brian Mason Chondrules and chondrule fragments are abundant, ranging up to 2.4 mm across, and are set in a small amount of fine-grained turbid matrix. A few grains of nickel-iron and sulfide are present in the matrix. Brown limonitic staining pervades the section. Microprobe analyses show olivine ranging in composition from Fa7 to Fa35, with a mean of Fa21 (CV FeO is 34); pyroxene composition ranges from Fs2 to Fs22. The meteorite is an L3 chondrite (estimated L3.6); it may be another member of the ALHA77011 pairing group. | ||||||||||||||||||||
Data from: MB76 Table 2 Line 921: |
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Catalogs: |
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References: | Published in Antarctic Meteorite Newsletter 10(2) (1987), JSC, Houston Published in Meteoritical Bulletin, no. 76, Meteoritics 29, 100-143 (1994)
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Geography: |
Statistics: This is 1 of 44400 approved meteorites from Antarctica (plus 3802 unapproved names) | ||||||||||||||||||||
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Revision history: |
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