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Northwest Africa 6860 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 6860 This is an OFFICIAL meteorite name. Abbreviation: NWA 6860 Observed fall: No Year found: 2011 Country: (Northwest Africa) Mass: 80.5 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 41 approved meteorites classified as R5. [show all] Search for other: Rumuruti chondrites, Rumuruti chondrites (type 4-7) | ||||||||||||||||||||||||||||||
Comments: | Approved 29 Nov 2011 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 100:
Northwest Africa 6860 (NWA 6860) Northwest Africa Purchased: Feb 2011 Classification: Rumuruti chondrite (R5) Petrography: Fresh breccia composed of clasts containing sparse PO and RP chondrules plus related debris in a darker, fine-grained matrix. Constituent minerals are olivine, orthopyroxene, clinopyroxene, albitic plagioclase, Ti-chromite, troilite and pentlandite. Geochemistry: Olivine Fa38.8-38.9, FeO/MnO=90-100, orthopyroxene Fs30.4Wo1.4, clinopyroxene Fs10.8-11.6Wo45.4-44.7 (Cr2O3=0.33-0.55 wt%). | ||||||||||||||||||||||||||||||
Data from: MB100 Table 1 Line 1515: |
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Institutions and collections |
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
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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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