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| Allan Hills 85006 | |||||||||||||||||||||||||
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| Basic information | Name: Allan Hills 85006 This is an OFFICIAL meteorite name. Abbreviation: ALH 85006 Observed fall: No Year found: 1985 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass:  49 g | ||||||||||||||||||||||||
| Classification history: |
This is the only approved meteorite classified as CVoxB3.5. Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites | ||||||||||||||||||||||||
| Comments: | Revised 27 Mar 2024: Reclassified in AMN 46(1) | ||||||||||||||||||||||||
| Writeup |
Writeup from AMN 9(3):
Sample No.: ALH85006 Location: Allan Hills Weight (g): 49.0 Field No.: 2660 Dimensions (cm): 4 x 3 x 3 Meteorite Type: C3V Chondrite
Macroscopic Description: René Martinez Fusion crust is present on only one surface of this coherent stone. The interior is made up of chondrules, up to 2 mm in diameter, and irregular white inclusions, up to 3 mm in longest dimension.
Thin Section (,5) Description: Brian Mason The section shows a variety of chondrules (up to 2.5 mm across), chondrule fragments, and irregular clasts in a dark brown to black matrix. Fine-grained opaques are dispersed throughout the matrix and rim some of the chondrules. The matrix consists largely of fine-grained iron-rich (Fa45-47) olivine. Olivine in the chondrules and mineral fragments is usually near MgSiO4 in composition, but more iron-rich grains are also present. Pyroxene is much less abundant than olivine, and is close to MgSiO3 in composition. The meteorite is a C3 chondrite of the Vigarano subtype. | ||||||||||||||||||||||||
| Data from: MB76 Table 2 Line 1235: |
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| References: | Published in Antarctic Meteorite Newsletter 9(3) (1986), 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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