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| Elephant Moraine 83389 | |||||||||||||||||||||||||
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| Basic information | Name: Elephant Moraine 83389 This is an OFFICIAL meteorite name. Abbreviation: EET 83389 Observed fall: No Year found: 1983 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass:  19.2 g | ||||||||||||||||||||||||
| Classification history: |
This is 1 of 543 approved meteorites classified as CM2. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites | ||||||||||||||||||||||||
| Writeup |
Writeup from AMN 10(2):
Sample No.: EET83389 Location: Elephant Moraine Weight (g): 19.2 Field No.: 1358 Dimensions (cm): 2.5 x 2.5 x 2 Meteorite Type: C2 Chondrite
Macroscopic Description: Roberta Score Exterior is polygonally fractured and brown in color. The clastic nature of this rock is obvious from the exterior. Interior is a dark dusty gray with many semi-rounded inclusions that range in diameter from <1 mm to 2 mm. Most of these inclusions are cream colored. This stone is not very dense.
Thin Section (,2) Description: Brian Mason The section shows numerous chondrules and irregular granular aggregates in a translucent brown isotropic matrix. Nickel-iron is present in trace amounts as minute grains in a few chondrules and aggregates; no troilite was seen. Most olivine grains are close to the magnesian end-member in composition, but a few iron-rich ones are present; pyroxene compositions are similar. The meteorite is a C2 chondrite. | ||||||||||||||||||||||||
| Data from: MB76 Table 2 Line 1647: |
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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:
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Statistics: This is 1 of 40719 approved meteorites from Antarctica (plus 4494 unapproved names) | ||||||||||||||||||||||||
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