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| Elephant Moraine 83235 | |||||||||||||||||||||||||
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| Basic information | Name: Elephant Moraine 83235 This is an OFFICIAL meteorite name. Abbreviation: EET 83235 Observed fall: No Year found: 1983 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass:  255 g | ||||||||||||||||||||||||
| Classification history: |
This is 1 of 408 approved meteorites classified as Eucrite-pmict. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||
| Writeup |
Writeup from AMN 8(1):
Sample No.: EET83235 Location: Elephant Moraine Weight (g): 254.6 Field No.: 2861 Dimensions (cm): 7 x 6 x 4 Meteorite Type: Basaltic Achondrite (?)
Macroscopic Description: Roberta Score This specimen looks similar to the other 1983 Elephant Moraine eucrites except that it appears to be more weathered. A thick dark gray weathering rind is present.
Thin Section (,3) Description: Jeremy Delaney This specimen has a very dark matrix that appears to have been produced by weathering as the section contains gypsum/anhydrite. One pyroxenite clast with two crystals up to 1-mm across may be a fragment of an orthopyroxenite, but shock modification has produced inclined extinction. This clast is unexsolved. The section contains abundant pigeonite clasts with micron scale exsolution. Feldspar clasts in this section have abundant evidence of shock. One mafic clast has a gabbroic texture and contains lathy tridymite (?) crystals over 1-mm long. Several dark glassy or extremely fine-grained clasts are present. | ||||||||||||||||||||||||
| Data from: MB76 Table 2 Line 1499: |
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| References: | Published in Antarctic Meteorite Newsletter 8(1) (1985), 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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