|
Lewis Cliff 88503 | |||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 70 approved meteorites classified as H3.8. [show all] Search for other: H chondrites (type 3), H chondrites, Ordinary chondrites (type 3), and Ordinary chondrites | ||||||||||||||||||||
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).
|
||||||||||||||||||||
Data from: MB76 Table 2 Line 4350: |
|
||||||||||||||||||||
Catalogs: |
| ||||||||||||||||||||
References: | Published in Meteoritical Bulletin, no. 76, Meteoritics 29, 100-143 (1994) Published in Antarctic Meteorite Newsletter 15(2) (1992), JSC, Houston
| ||||||||||||||||||||
Geography: |
Statistics: This is 1 of 25287 approved meteorites from Antarctica (plus 9773 unapproved names) | ||||||||||||||||||||
Proximity search: |