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Northwest Africa 1089 | |||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 1089 This is an OFFICIAL meteorite name. Abbreviation: NWA 1089 Observed fall: No Year found: 2003 Country: (Northwest Africa) Mass: 1136 g | ||||||||||||||||||||||||||
Classification history: |
This is 1 of 11567 approved meteorites (plus 23 unapproved names) classified as H5. [show all] Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||
Comments: | Approved 20 Oct 2018 | ||||||||||||||||||||||||||
Writeup |
Writeup from MB 107:
Northwest Africa 1089 (NWA 1089) (Northwest Africa) Purchased: 2003 Classification: Ordinary chondrite (H5) Petrography: There are rapidly cooled, cellular, metal-troilite assemblages. Some metal and sulfide grains are elongated. Chondrules are recrystallized; some are readily discernable; others are poorly defined. Plagioclase grains average ~20 µm in size. Olivine exhibits weak mosaic extinction. Some low-Ca pyroxene grains display shock-induced polysynthetic twinning. | ||||||||||||||||||||||||||
Data from: MB107 Table 0 Line 0: |
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Institutions and collections |
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
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Geography: |
Statistics: This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||
Also see: |
This lists the most popular meteorites among people who looked up this meteorite.
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Revision history: |
This lists important revisions made to data for this record.
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