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Northwest Africa 7607 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7607 This is an OFFICIAL meteorite name. Abbreviation: NWA 7607 Observed fall: No Year found: 2012 Country: Morocco Mass: 111 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 24 approved meteorites classified as LL3.4. [show all] Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||
Comments: | Approved 28 Jan 2013 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 102:
Northwest Africa 7607 (NWA 7607) Morocco Purchased: Aug 2012 Classification: Ordinary chondrite (LL3.4) History: Purchased by Adam Bates from a meteorite dealer in Morocco, August 2012. Physical characteristics: Single stone, weathered fusion crust, chondrules visible through surface patina, saw-cut reveals fine-grained metal, many mm-sized chondrules, some up to 3 mm, average 700 μm. Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows numerous unequilibrated POP, PO, RP chondrules, most with albitic mesostasis or glass, average chondrule size ~700 μm. Scattered troilite, kamacite, taenite, minor Fe-Ni sulfide; metal is ~50% oxidized. Geochemistry: (C. Agee and M. Spilde, UNM) Olivine Fa23.2±11.6, Fe/Mn=75±13, n=31; low-Ca pyroxene Fs14.7±8.3Wo1.5±1.7, Fe/Mn=26±13, n=30. Classification: Ordinary chondrite (LL3.4), weathering grade W2. 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 2068 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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