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Northwest Africa 8160 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8160 This is an OFFICIAL meteorite name. Abbreviation: NWA 8160 Observed fall: No Year found: 2013 Country: Morocco Mass: 5.3 kg | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 481 approved meteorites (plus 2 unapproved names) classified as CV3. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites | ||||||||||||||||||||||||||||
Comments: | Approved 16 Dec 2013 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 102:
Northwest Africa 8160 (NWA 8160) Morocco Purchased: 2013 Classification: Carbonaceous chondrite (CV3) History: Purchased by Blaine Reed and Steve Arnold (of Arkansas) at the Denver Gem and Mineral Show, September 2013. Physical characteristics: Many fragments, saw cut face reveals classic CV3 appearance with numerous chondrules up to 5 mm set in dark brown matrix, scattered CAIs up to 1 cm. Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows primarily porphyritic chondrules in abundant very fine-grained matrix. Geochemistry: (C. Agee and N. Muttik, UNM) Olivine range Fa0.6-45.3, n=28; Type I chondrule olivine Fa1.1±0.4, Cr2O3=0.18±0.06 wt%, n=12; ferroan chondrule olivine Fa9.0±10.0, Fe/Mn=77±37, Cr2O3=0.14±0.17 wt%, n=16; low-Ca pyroxene Fs2.7±2.5Wo2.4±2.6, n=13; clinopyroxene Fs4.2±1.2Wo13.9±1.5, n=3. Classification: Carbonaceous chondrite (CV3), weathering grade W2. Specimens: 28 g including a probe mount on deposit at UNM, Reed holds ~3600 g, Arnold holds ~1700 g. | ||||||||||||||||||||||||||||
Data from: MB102 Table 0 Line 0: |
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Institutions and collections |
UNM: Institute of Meteoritics
MSC03 2050
University of New Mexico
Albuquerque NM 87131-1126
USA, United States; Website (institutional address; updated 12 Feb 2015) Reed: Blaine Reed, P.O. Box 1141, Delta, CO 81416, 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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Photos: |
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Geography: |
Statistics: This is 1 of 2163 approved meteorites from Morocco (plus 32 unapproved names) (plus 1 impact crater) |