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LaPaz Icefield 031280 | ||||||||||||||||||||||
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Basic information | Name: LaPaz Icefield 031280 This is an OFFICIAL meteorite name. Abbreviation: LAP 031280 Observed fall: No Year found: 2003 Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)] Mass: ![]() | |||||||||||||||||||||
Classification history: |
This is 1 of 224 approved meteorites classified as Eucrite-br. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | |||||||||||||||||||||
Comments: | Approved 21 Feb 2006 | |||||||||||||||||||||
Writeup![]() |
Writeup from AMN 29(1):
Macroscopic Description: Kathleen McBride Shiny, rough brown/black fusion crust covers 50% of this achondrite's exterior. The interior is a sandy textured, tan colored matrix with gray inclusions. Thin Section (,2) Description: Tim McCoy and Linda Welzenbach The meteorite is a dominated by a fine-grained (50-100 micron grain size) basaltic host with coarser-grained areas that may be clasts incorporated prior to metamorphism. Pyroxene is exsolved on a 1-20 micron scale. Orthopyroxene analyses range to Fs60Wo5 and augite to Fs32Wo40. Plagioclase is An88Or0.5. The Fe/Mn ratio of the pyroxene is ~30. The meteorite is a eucrite.
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Data from: MB91 Table 4 Line 647: |
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Catalogs: |
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References: | Published in Antarctic Meteorite Newsletter 29(1) (2006), JSC, Houston Published in Meteoritical Bulletin, no. 91, MAPS 42, 413-466 (2007)
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Photos: |
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Geography:![]() |
Statistics: This is 1 of 44048 approved meteorites from Antarctica (plus 3802 unapproved names) |