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| Elephant Moraine 90033 | |||||||||||||||||||||
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| Basic information | Name: Elephant Moraine 90033 This is an OFFICIAL meteorite name. Abbreviation: EET 90033 Observed fall: No Year found: 1990 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass:  3.9 g | ||||||||||||||||||||
| Classification history: |
This is 1 of 78 approved meteorites classified as Aubrite. [show all] Search for other: Achondrites, Aubrites, Enstatite achondrites, and Enstatite-rich meteorites | ||||||||||||||||||||
| Writeup |
Writeup from AMN 14(2):
Sample No.: EET90033 Location: Elephant Moraine Field Number: 6527 Dimensions (cm): 2 x 1.4 x 1 Weight (g): 3.9 Meteorite Type: Aubrite
Macroscopic Description: Cecilia Satterwhite Little blebs of fusion crust remain on the exterior of this aubrite. The interior is grayish-white with large enstatite clasts. Some dark inclusions are present. Oxidation is moderate and scattered throughout.
Thin Section (,2) Description: Brian Mason The section has a cataclastic texture, with enstatite clasts up to 3 mm across in a comminuted matrix of this mineral. The clasts show undulose extinction and contain small blebs of diopside. The enstatite is almost pure MgSiO3, with FeO ranging up to 0.5%, and CaO 0.3-0.5%. Diopside composition is Wo45En55. The meteorite is an aubrite.
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| Data from: MB76 Table 2 Line 2066: |
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| References: | Published in Antarctic Meteorite Newsletter 14(2) (1991), 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 43856 approved meteorites from Antarctica (plus 3802 unapproved names) | ||||||||||||||||||||
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