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Elephant Moraine 90047 | |||||||||||||||||||||||||
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Basic information | Name: Elephant Moraine 90047 This is an OFFICIAL meteorite name. Abbreviation: EET 90047 Observed fall: No Year found: 1990 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass: 1.2 g | ||||||||||||||||||||||||
Classification history: |
This is 1 of 26 approved meteorites classified as CM1/2. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 1), CM chondrites, and CM-CO clan chondrites | ||||||||||||||||||||||||
Writeup |
Writeup from AMN 15(1):
Sample No.: EET90047 Location: Elephant Moraine Field Number: 6854 Dimensions (cm): 1.7 x 1 x 0.5 Weight (g): 1.2 Meteorite Type: C2 chondrite
Macroscopic Description: Cecilia Satterwhite What little fusion crust remains on this carbonaceous chondrite is frothy and black. A few chondrules/inclusions are visible in the black interior.
Thin Section (,2) Description: Brian Mason The section shows numerous chondrules, up to 0.8 mm across, and some scattered silicate grains, mainly olivine, in a black matrix. The chondrules appear to be completely serpentinized. The olivine grains in the matrix are close to Mg2SiO4 in composition, with a few more iron-rich grains; the composition range is Fa1-11, mean Fa2 (CV FeO is 172). The meteorite is a C2 chondrite.
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Data from: MB76 Table 2 Line 2080: |
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Catalogs: |
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References: | Published in Antarctic Meteorite Newsletter 15(1) (1992), JSC, Houston Published in Meteoritical Bulletin, no. 76, Meteoritics 29, 100-143 (1994)
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Geography: |
Statistics: This is 1 of 44274 approved meteorites from Antarctica (plus 3802 unapproved names) | ||||||||||||||||||||||||
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Revision history: |
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