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Northwest Africa 1284
Basic information Name: Northwest Africa 1284
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 1284
Observed fall: No
Year found: 2001
Country: (Northwest Africa)
Mass:help 56 g
Classification
  history:
Meteoritical Bulletin:  MB 88  (2004)  CK4/5
MetBase:  v. 7.1  (2006)  CK4/5
Recommended:  CK4/5    [explanation]

This is 1 of 12 approved meteorites classified as CK4/5.   [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 1284

Morocco

Found 2001

Carbonaceous chondrite (CK4/5)

A 56 g stone was purchased in Erfoud in October 2001. Classification and mineralogy (J. Wittke and T. Bunch, NAU): mostly recrystallized olivine-rich matrix with poorly crystallized plagioclase (mottled extinction, low birefringence, and up to 0.12 wt % NiO). Matrix olivine, Fa31.5 (range, Fa31.1-32.0) (0.45 wt % NiO); plagioclase, An51.8Or5 (range An44.5 – 63.1); magnetite, 4.6 wt % Cr2O3; 1.62 % Al2O3; 0.31 % NiO; 0.37 % TiO2; 0.25 % CoO and 0.17 % MnO. Contains minor pentlandite, pyrrhotite, and phosphate. Low degree of weathering and shock level, S2. Specimens: 11.3 g, NAU; main mass, Hupe.

Data from:
  MB88
  Table 4
  Line 7:
Date:2001
Mass (g):56
Pieces:1
Class:CK4/5
Institutions
   and collections
NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)
Hupe: (old address—now see GHupé or AHupé) G. and A. Hupe, 2616 Lake Youngs Court SE, Renton, WA 98058., United States (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 88, MAPS 39, A215-A272 (2004)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
The Hupe Collection   
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Woreczko Jan & Wadi   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6781 approved meteorites from (Northwest Africa) (plus 2047 unapproved names)

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