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Northwest Africa 2914 | |||||||||||||||
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Basic information | Name: Northwest Africa 2914 This is an OFFICIAL meteorite name. Abbreviation: NWA 2914 Observed fall: No Year found: 2005 Country: Morocco Mass: 399 g | ||||||||||||||
Classification history: |
This is 1 of 603 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||
Comments: |
Approved 3 Feb 2006 Revised 11 Jan 2007: fixed error in mass | ||||||||||||||
Writeup |
Writeup from MB 90:
Northwest Africa 2914 Morocco Find: April 2005 Achondrite (eucrite, monomict breccia) History: Three paired partial stones weighing a total of 122 g were purchased in Erfoud, Morocco, in April 2005. Petrography: (T. Bunch and J. Wittke, NAU) Cataclastic cumulate basalt that shows a remarkable range of shock features that include alternating bands of cataclastic and melt flows, mylonite-like swirls and lenticular masses, and rounded, finely crushed breccia clasts that are separated by dark, glassy to cryptocrystalline bands. Geochemistry: Host: orthopyroxene (Fs59.3–62.7Wo3.1–1.9; FeO/MnO = 31), exsolved augite (Fs26.8–27.8Wo43–42.1; FeO/ MnO = 28), plagioclase (An92); chromite (Cr/(Cr+Al) = 0.88). Classification: Achondrite (eucrite monomict breccia) with moderate to high degree of shock and low degree of weathering. Specimens: A 21.1 g type specimen is on deposit at NAU. Birdsell holds the main mass. | ||||||||||||||
Data from: MB90 Table 2 Line 167: |
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Institutions and collections |
NAU: Geology, Bldg 12
Knoles Dr
Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012) Birdsell: Arizona Skies Meteorites, P.O. Box 2412, Flagstaff, AZ 86003, United States; Website (private address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 90, MAPS 41, 1383-1418 (2006)
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Geography: |
Statistics: This is 1 of 2082 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater) | ||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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