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Northwest Africa 7608 | |||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7608 This is an OFFICIAL meteorite name. Abbreviation: NWA 7608 Observed fall: No Year found: 2012 Country: Morocco Mass: 413 g | ||||||||||||||||||||||||
Classification history: |
This is 1 of 546 approved meteorites classified as Diogenite. [show all] Search for other: Achondrites, Diogenites, and HED achondrites | ||||||||||||||||||||||||
Comments: | Approved 1 Jan 2013 | ||||||||||||||||||||||||
Writeup |
Writeup from MB 102:
Northwest Africa 7608 (NWA 7608) Morocco Purchased: August 2012 Classification: HED achondrite (Diogenite) History: Purchased by Adam Bates from a Moroccan meteorite dealer, August, 2012. Physical characteristics: Single fusion-crusted stone. Saw cuts reveal coarsely crystalline texture with pyroxene grains up to 1 cm, light orange, with some scattered green grains up to a few mm. Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows approximately 95% pyroxene and 2% plagioclase, plus accessory oxidized metal, chromite, and troilite, minor Cr-rich sulfide. Most pyroxene grains >1 mm, plagioclase up to 300 μm. Geochemistry: (C. Agee and M. Spilde, UNM) EMPA. Low-Ca pyroxene Fs25.3±0.5Wo3.3±0.3, Fe/Mn=31±1, n=11; plagioclase Or0.7Ab16.0An83.3. Classification: Achondrite (diogenite), equilibrated low-Ca pyroxene. Specimens: 21 g including a probe mount on deposit at UNM, Adam Bates holds the main mass. | ||||||||||||||||||||||||
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) |
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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 2163 approved meteorites from Morocco (plus 32 unapproved names) (plus 1 impact crater) |