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| Thiel Mountains 82411 | |||||||||||||||||||||
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| Basic information | Name: Thiel Mountains 82411 This is an OFFICIAL meteorite name. Abbreviation: TIL 82411 Observed fall: No Year found: 1982 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass:  179.5 g | ||||||||||||||||||||
| Classification history: |
This is 1 of 2062 approved meteorites (plus 5 unapproved names) classified as L4. [show all] Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||
| Writeup |
Writeup from AMN 7(1):
Sample No.: TIL82411 Location: Thiel Mountains Field No.: 2762 Weight (gms): 179.5 Meteorite Type: L4 Chondrite
Physical Description: Carol Schwarz Specimen is covered with a slightly weathered fusion crust. No fractures are present. The interior is dark and has abundant chondrules 1 to 2 mm in diameter. Weathering is slight. Dimensions: 6.5 x 4.5 x 3 cm
Petrographic Description: Brian Mason The section consists largely of chondrules, up to 2.4 mm in diameter, with interstitial olivine, pyroxene, nickel-iron, and troilite. Chondrule types include granular and porphyritic olivine and olivine-pyroxene, barred olivine, and fine-grained pyroxene. Much of the pyroxene is polysynthetically twinned clinobronzite. Microprobe analyses give the following compositions: olivine, Fa24; pyroxene, Fs21. The meteorite is classified as an L4 chondrite. | ||||||||||||||||||||
| Data from: MB76 Table 2 Line 5475: |
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| References: | Published in Antarctic Meteorite Newsletter 7(1) (1984), 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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