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Northwest Africa 772
Basic information Name: Northwest Africa 772
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 772
Observed fall: No
Year found: 2000
Country: Western Sahara
Mass:help 71 g
Classification
  history:
NHM Catalogue:  5th Edition  (2000)  CK
Meteoritical Bulletin:  MB 85  (2001)  CK3
MetBase:  v. 7.1  (2006)  CK3
Recommended:  CK3    [explanation]

This is 1 of 42 approved meteorites classified as CK3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CK chondrites, CK3 chondrites, and CV-CK clan chondrites
Writeuphelp
Writeup from MB 85:

Northwest Africa 772

Morocco

Found 2000 October

Carbonaceous chondrite (CK3)

A 71 g, 90% crusted stone was found southwest of Raudat Haua by a person prospecting for meteorites. Mineralogy and classification (T. Bunch and J. Wittke, NAU): modes (vol%) are matrix = 58, chondrules = 32, sulfides = 7, Cr-magnetite = 2, refractory inclusions = 1; chondrule sizes range from 50 µm to > 1 mm; chondrule type modes (vol%) are porphyritic olivine = 21, porphyritic olivine­pyroxene = 4, cryptocrystalline = 3, granular olivine = 3, other = 1; matrix is mostly unrecrystallized; fine-grained olivine, Fa35, NiO = 0.25 wt%; plagioclase, An80; Ca-rich pyroxene, Wo46Fs9; Ca-poor pyroxene, Fs19.6; contains Ni-rich sulfides and Cr-rich magnetite (Cr2O3 = up to 13.9 wt%); weathering grade, W0/1. Specimens: 13.8 g plus thin section, NAU; main mass with finder.

Data from:
  MB85
  Table 4
  Line 212:
Origin or pseudonym:Raudat Haua
Date:Oct 2000
Latitude:26°26.96'N
Longitude:11°41.61'W
Mass (g):71
Pieces:1
Class:CK
Institutions
   and collections
NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 85, MAPS 36, A293-A322 (2001)
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Geography:

Western Sahara
Coordinates:
     Catalogue of Meteorites:   (26° 27'N, 11° 42'W)
     Recommended::   (26° 26' 58"N, 11° 41' 37"W)
Note: the NHM and MetBase coordinates are 0.7 km apart

Statistics:
     This is 1 of 84 approved meteorites from Saguia el Hamra, Western Sahara (plus 1 unapproved name)
     This is 1 of 206 approved meteorites from Western Sahara (plus 20 unapproved names)
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