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Northwest Africa 11600 | |||||||||||||||||||||
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Basic information | Name: Northwest Africa 11600 This is an OFFICIAL meteorite name. Abbreviation: NWA 11600 Observed fall: No Year found: 2016 Country: Algeria Mass: 75.2 g | ||||||||||||||||||||
Classification history: |
This is 1 of 598 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||
Comments: | Approved 9 Feb 2018 | ||||||||||||||||||||
Writeup |
Writeup from MB 107:
Northwest Africa 11600 (NWA 11600) Algeria Purchased: 2016 May 1 Classification: HED achondrite (Eucrite) History: Purchased by Miao Bing-an in 2016 in Morocco. Physical characteristics: Single stone with black fusion crust. A saw cut reveals a mosaic of gray, coarse-grained, interlocking crystals. Petrography (L. Huang, B. Miao, H. Chen, GUT): Unbrecciated cumulate lithologies containing coarse-grained (~0.8-1.5 mm) gabbros composed principally of low-Ca clinopyroxene and calcic plagioclase (~20-40 vol%) with minor chromite (coarse-grained ~0.5-0.8 mm) and accessory phosphate. Texture is equigranular with subequal amounts of pyroxene and plagioclase grains. Geochemistry (L. Huang, B. Miao, H. Chen, GUT): Bulk pyroxene: Fe/Mn=29.9. Low-Ca pyroxene of cumulate lithologies: median compositions are Mg#=63.7, Fs35.4Wo2.7 (n=24). High-Ca pyroxene of cumulate lithologies: median compositions are Mg#=73.7, Fs14.6Wo44.4 (n=20). Plagioclase: An87.8-91.1Or0.2-0.7, median An89.7Or0.5 (n=26). Classification: Gabbroic cumulate eucrite Specimens: 16.2 g and polished thin section are deposited in GUT | ||||||||||||||||||||
Data from: MB107 Table 0 Line 0: |
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Institutions and collections |
GUT: College of Earth Sciences, Guilin University of Technology, 12 Jiangan Road, Guilin 541004, China (institutional address; updated 18 Oct 2012) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
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Photos: |
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Geography: |
Statistics: This is 1 of 1344 approved meteorites from Algeria (plus 30 unapproved names) (plus 4 impact craters) | ||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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