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Northwest Africa 7627 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7627 This is an OFFICIAL meteorite name. Abbreviation: NWA 7627 Observed fall: No Year found: 2011 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 26 approved meteorites classified as H-melt breccia. [show all] Search for other: H chondrites, H chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||
Comments: | Approved 26 May 2013 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 102:
Northwest Africa 7627 (NWA 7627) (Northwest Africa) Purchased: 2011 Classification: Ordinary chondrite (H, melt breccia) History: Purchased by Nicola Castellano at the Torino Mineral Show, Italy. Physical characteristics: A single piece weighing 31 g with no fusion crust. Petrography: (V. Moggi Cecchi, G. Pratesi, S. Caporali, MSP): The thin section displays two lithologies: a chondritic one and a melted one. The chondritic portion shows an equilibrated texture displaying chondrules of various types (GO, POP, PP) up to 0.8 mm in diameter, embedded in fine-grained matrix mainly consisting of olivine, plagioclase and orthopyroxene. Opaque phases are metal and troilite. The melted portion shows diffuse features such as metal veins, μm-sized metal grains and glass. Geochemistry: Olivine, Fa18.0; orthopyroxene, Fs14.4En84.3Wo1.3. Classification: Possible H4-melt breccia. Specimens: Type specimen, 6.58 g, MSP; main mass Castellano. | ||||||||||||||||||||||||||||||
Data from: MB102 Table 0 Line 0: |
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Institutions and collections |
MSP: Museo di Scienze Planetarie, Via Galcianese 20/H, 59100 Prato, Italy, Italy; Website (institutional address; updated 22 Oct 2022) |
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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 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |