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Northwest Africa 1907
Basic information Name: Northwest Africa 1907
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 1907
Observed fall: No
Year found: 2003
Country: (Northwest Africa)
Mass:help 476 g
Classification
  history:
Meteoritical Bulletin:  MB 88  (2004)  CK5
MetBase:  v. 7.1  (2006)  CK5
Recommended:  CK5    [explanation]

This is 1 of 162 approved meteorites classified as CK5.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites
Writeuphelp
Writeup from MB 88:

Northwest Africa 1907

Morocco

Found 2003

Carbonaceous chondrite (CK5)

A 476 g stone was purchased in Rissani in June 2003. Classification and mineralogy (J. Wittke and T. Bunch, NAU): coarse, recrystallized matrix and some chondrule margins. Olivine is equilibrated at Fa32.3 (range, 32.1-32.4) with NiO = 0.52 wt%; large patches of plagioclase with variable composition between An32 and An60; magnetite contains 5.3 wt% Cr2O3 and 1.88 wt% Al2O3, troilite, and phosphate. Shock level, S2/3; weathering grade, W2. Specimens: type specimen, 22.15 g, NAU; main mass, MFarmer.

Data from:
  MB88
  Table 4
  Line 74:
Place of purchase:Rissani
Date:P Jun 2003
Mass (g):476
Pieces:1
Class:CK5
Classifier:T. Bunch and J. Wittke, NAU
Type spec mass (g):22.15
Type spec location:ASU
Main mass:MFarmer
Institutions
   and collections
ASU: Center for Meteorite Studies, Arizona State University, Tempe, Arizona 85287-1404, United States; Website (institutional address; updated 14 Jan 2012)
NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)
MFarmer: Michael Farmer, P.O. Box 86059, Tucson, AZ 85754-6059, United States; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 88, MAPS 39, A215-A272 (2004)
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Dirk Hohmann   
Woreczko Jan & Wadi   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7374 approved meteorites from (Northwest Africa) (plus 1957 unapproved names)

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