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Northwest Africa 6705 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 6705 This is an OFFICIAL meteorite name. Abbreviation: NWA 6705 Observed fall: No Year found: 2011 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 35 approved meteorites classified as Angrite. [show all] Search for other: Achondrites, Angrites | ||||||||||||||||||||||||||||||
Comments: | Approved 6 Sep 2013 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 102:
Northwest Africa 6705 (NWA 6705) (Northwest Africa) Purchased: 2011 Mar Classification: Angrite Petrography: (A. Irving and S. Kuehner, UWS) Metamorphic texture. Olivine (FeO/MnO = 81-87) occurs as polycrystalline aggregates of polygonal grains with Al-Ti-rich clinopyroxene (pinkish in thin section; FeO/MnO = 82-90), kamacite, Cr-Al spinel (purplish-brown in thin section), troilite and rare pure anorthite (as thin coronas around spinel grains in contact with clinopyroxene). Other portions of this specimen contain angular anorthite clasts. Minor goethite from terrestrial weathering of metal is present on grain boundaries. This specimen is paired with NWA 2999, 3158, 3164, 4569, 4662, 4877, 4931 and 6291. | ||||||||||||||||||||||||||||||
Data from: MB102 Table 0 Line 0: |
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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) UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012) GHupé: Gregory M. Hupé, 9003 Placid Lakes Blvd., Lake Placid, FL 33852, United States; Website (private address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
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Geography: |
Statistics: This is 1 of 7552 approved meteorites from (Northwest Africa) (plus 1969 unapproved names) |