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| Lewis Cliff 85332 | |||||||||||||||||||||||||||||
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| Basic information | Name: Lewis Cliff 85332 This is an OFFICIAL meteorite name. Abbreviation: LEW 85332 Observed fall: No Year found: 1985 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass:  113.7 g | ||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 31 approved meteorites classified as C3-ung. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), and Ungrouped chondrites | ||||||||||||||||||||||||||||
| Comments: | Field number: 2456 | ||||||||||||||||||||||||||||
| Writeup |
Writeup from AMN 10(1):
Sample No.: LEW85332 Location: Lewis Cliff Weight (g): 113.7 Field No.: 2425 Dimensions (cm): 5.5x4x3.5 Meteorite Type: C3O Chondrite
Macroscopic Description: René Martinez Dark fusion crust covers all but one exterior surface. Fine-grained dark gray matrix with a few <1 mm-sized light color inclusions make up the interior of this carbonaceous chondrite.
Thin Section (,4) Description: Brian Mason The section shows an aggregate of small chondrules (up to 1.2 mm across, but most are less than 0.5 mm), chondrule fragments, and irregular granular masses set in a translucent yellow-brown matrix. Chondrules are mainly granular or porphyritic olivine. Minor amounts of nickel-iron and sulfide are present, as small grains scattered through the matrix, sometimes concentrated around chondrule rims. Olivine shows a wide composition range, Fa1-20, mean Fa9; pyroxene is less abundant, and has composition range Fs1-16. The meteorite is classified as a C3 chondrite of the Ornans subtype. | ||||||||||||||||||||||||||||
| Data from: MB76 Table 2 Line 2905: |
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| References: | Published in Antarctic Meteorite Newsletter 10(1) (1987), 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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