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| Allan Hills A80133 | |||||||||||||||||||||||||
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| Basic information | Name: Allan Hills A80133 This is an OFFICIAL meteorite name. Abbreviation: ALHA80133 This meteorite may also be called Allan Hills 80133 (ALH 80133) in publications. Observed fall: No Year found: 1980 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass:  3.6 g | ||||||||||||||||||||||||
| Classification history: |
This is 1 of 98 approved meteorites classified as L3.5. [show all] Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||
| Writeup |
Writeup from AMN 5(1):
Sample No.: ALHA80133 Location: Allan Hills Field No.: 1018 Weight (gms): 3.6 Meteorite Type: C3V Chondrite
Physical Description: Roberta Score No fusion crust is present on this shiny reddish-brown specimen. The interior is highly weathered with some rounded inclusions visible.
Petrographic Description: Brian Mason The section shows a close-packed mass of chondrules and chondrule fragments with a small amount of dark fine-grained matrix. Chondrules range from 0.3 to 1.5 mm in diameter, and show a diversity of type, the commonest being granular olivine and olivine-pyroxene, barred olivine, and fine-grained pyroxene. Transparent pale brown glass is present in some of the granular chondrules. Much of the pyroxene is polysynthetically twinned clinobronzite. Weathering is extensive, with brown limonitic staining throughout the section. Microprobe analyses show olivine and pyroxene have highly variable composition: olivine, Fa0.5-Fa35, mean Fa14; pyroxene, Fs5-Fs30, mean Fs14. The meteorite is tentatively classified as a C3V chondrite. | ||||||||||||||||||||||||
| Data from: MB76 Table 2 Line 523: |
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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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| Revision history: |
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