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Northwest Africa 7436 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7436 This is an OFFICIAL meteorite name. Abbreviation: NWA 7436 Observed fall: No Year found: 2004 Country: (Northwest Africa) Mass: 7.9 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 4 Feb 2015 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 104:
Northwest Africa 7436 (NWA 7436) (Northwest Africa) Purchased: 2004 Classification: Ordinary chondrite (H5) Petrography: Chondrules are identifiable, but many are not well-defined. Plagioclase grains are often 10s of μm across and occasionally up to 50 μm. Geochemistry: Olivine, Fa19.7±1.5 (N=50); pyroxene, Fs=16.9±1.1Wo1.2±0.3 (N=57, EMPA). Classification: Ordinary Chondrite H5, S4, W3. Specimens: The specimen includes a thin section and two pieces of 6.5 and 1.4 g. | ||||||||||||||||||||||||||||||
Data from: MB104 Table 0 Line 0: |
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Institutions and collections |
ROM: Royal Ontario Museum, 100 Queen's Park, Toronto, Ontario M5S 2C6, Canada (institutional address; updated 18 Oct 2011) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Geography: |
Statistics: This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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