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Northwest Africa 2063 | |||||||||||||
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Basic information | Name: Northwest Africa 2063 This is an OFFICIAL meteorite name. Abbreviation: NWA 2063 Observed fall: No Year found: 2003 Country: (Northwest Africa) Mass: ![]() | ||||||||||||
Classification history: |
This is 1 of 272 approved meteorites classified as Eucrite-mmict. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||
Writeup![]() |
Writeup from MB 88:
Northwest Africa 2063 Morocco Found 2003 Achondrite (eucrite, monomict) A 95.8 g partial stone with 50 % crust was purchased in Erfoud, July 2003. Classification and mineralogy (J. Wittke and T. Bunch, NAU): Coarse grained variolitic to subophitic with sparse, large (2-4 mm) orthopyroxene phenocrysts; small (< 1-3 mm) enclaves of fine-grained variolitic texture without phenocrysts; lightly brecciated with minor recrystallization. Orthopyroxene phenocrysts, Fs58.5Wo2 (Fe/Mn = 29.6-32.8); matrix augite, Fs24.8Wo43.6; plagioclase, An81.7Or5. Minor chromite, ilmenite and silica. Incipient maskelynite, planar fractures, mosaicism, and reduced birefringence in pyroxenes; sample is moderately shocked. Interior very fresh, Specimens, type sample, 20.8 g NAU; main mass, Boswell. | ||||||||||||
Data from: MB88 Table 4 Line 151: |
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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) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 88, MAPS 39, A215-A272 (2004)
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Geography: |
Statistics: This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |