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| Elephant Moraine 87805 | |||||||||||||||||||||
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| Basic information | Name: Elephant Moraine 87805 This is an OFFICIAL meteorite name. Abbreviation: EET 87805 Observed fall: No Year found: 1987 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass:  62.7 g | ||||||||||||||||||||
| Classification history: |
This is 1 of 75 approved meteorites classified as H3.7. [show all] Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||
| Writeup |
Writeup from AMN 12(3):
Sample No.: EET87805 Location: Elephant Moraine Dimensions (cm): 3x3.5x2.5 Field Number: 4593 Weight (g): 62.7 Meteorite Type: H3 chondrite
Macroscopic Description: Carol Schwarz Fusion crust , which covers ~70% of the exterior, is thin and flaking off. The interior is completely oxidized; the effects of weathering have obscured any features that may be present.
Thin Section (,4) Description: Brian Mason, The section shows a close-packed aggregate of chondrules, chondrule fragments, and mineral grains in a minor amount of finely crystalline matrix. The matrix contains a moderate amount of nickel-iron and a lesser amount of troilite, in part concentrated as rims on the chondrules. Chondrules range up to 2.1 mm in diameter; most are granular or porphyritic olivine and olivine-pyroxene, but one fine-grained radiating pyroxene chondrule was noted. Microprobe analyses show olivine and pyroxene of variable composition: olivine, Fa3-19, mean Fa16 (CV FeO is 25); pyroxene Fs4-26, mean Fs10. The meteorite is classified as an H3 chondrite, estimated H3.7. | ||||||||||||||||||||
| Data from: MB76 Table 2 Line 1978: |
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| References: | Published in Antarctic Meteorite Newsletter 12(3) (1989), 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 44547 approved meteorites from Antarctica (plus 3802 unapproved names) | ||||||||||||||||||||
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| Revision history: |
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