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| Lewis Cliff 88503 | |||||||||||||||||||||
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| Basic information | Name: Lewis Cliff 88503 This is an OFFICIAL meteorite name. Abbreviation: LEW 88503 Observed fall: No Year found: 1988 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass:  7.4 g | ||||||||||||||||||||
| Classification history: |
This is 1 of 78 approved meteorites classified as H3.8. [show all] Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||
| Comments: | Field number: 5232 | ||||||||||||||||||||
| Writeup |
Writeup from AMN 15(2):
Sample No.: LEW88503 Location: Lewis Cliff Field Number: 5232 Dimensions (cm): 2.4 x 1.8 x 1.1 Weight (g): 7.4 Meteorite Type: H3 chondrite
Macroscopic Description: Robbie Marlow Shiny brown fusion crust covers approximately 80% of the exterior of this specimen. Numerous orange millimeter-sized chondrules/inclusions were noted in the weathered matrix. Evaporate deposit is also present.
Thin Section (,2) Description: Brian Mason The section shows numerous chondrules and chondrule fragments, up to 1.8 mm across, in a granular matrix of olivine and pyroxene with some nickel-iron and a little troilite. Weathering is extensive, with limonitic staining and patches of brown limonite throughout the section. Microprobe analyses show olivine and pyroxene of variable composition: olivine, Fa12-24, mean Fa19 (CV FeO is 12); pyroxene, Fs6-16. The meteorite is classified as an H3 chondrite (estimated H3.8).
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| Data from: MB76 Table 2 Line 4350: |
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| References: | Published in Antarctic Meteorite Newsletter 15(2) (1992), 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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