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Northwest Africa 8735 | |||||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8735 This is an OFFICIAL meteorite name. Abbreviation: NWA 8735 Observed fall: No Year found: 2014 Country: (Northwest Africa) Mass: 244 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 19 Jan 2015 | ||||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 104:
Northwest Africa 8735 (NWA 8735) Northwest Africa Purchased: 2014 Classification: Ordinary chondrite (H5) History: One subrounded stone weighing 244 g was found in Morocco in 2014. David Holden acquired the sample from a meteorite prospector in Erfoud, 2014. Physical characteristics: The oriented stone is dark brown and has a sub-rounded shape displaying many shallow rgmagpylts and a discontinuous rollover lip on the trailing edge. There is no relict fusion crust remaining on the exterior. The cut face of the interior of the stone is orangish-brown and shows chondrules, clasts and fresh flakes of metal. Petrography: Description and classification (A. Love, App): Sample displays recrystallized chondritic texture composed of chondrules and fragments in a recrystallized matrix of silicates and grains of weathered FeNi and FeS. Chondrules are well-defined, have turbid to recrystallized mesostasis and have an average diameter of 648 μm (N=30). Geochemistry: (A.Love, App) Olivine Fa18.8±0.2, N=18; Low Ca pyroxene Fs16.7±0.9 Wo2.0±0.2, N=14 Classification: Ordinary chondrite (H5, S1, W3) Specimens: An endpiece and 3 slices weighing 21.67 g and a thin section are currently on deposit at App. | ||||||||||||||||||||||||||||||||
Data from: MB104 Table 0 Line 0: |
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Institutions and collections |
App: Department of Geology, 572 Rivers St., Appalachian State University, Boone, NC 28608, United States (institutional address; updated 7 Mar 2013) |
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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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