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Northwest Africa 2386
Basic information Name: Northwest Africa 2386
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 2386
Observed fall: No
Year found: 2004
Country: (Northwest Africa)
Mass:help 440 g
Classification
  history:
Meteoritical Bulletin:  MB 89  (2005)  CK4
MetBase:  v. 7.1  (2006)  CK4
Recommended:  CK4    [explanation]

This is 1 of 105 approved meteorites classified as CK4.   [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 89:

Northwest Africa 2386

Northwest Africa

Purchased 2004 September

Carbonaceous chondrite (CK4)

A 440 g single stone with weathered crust was purchased in Erfoud, Morocco. Description and classification (J. Wittke and T. Bunch, NAU): contains ~42 vol. % small chondrules with ~13 vol. % CAI components dominated by melilite-spinel aggregates, rimmed by diopside or subcalcic augite. Chondrules have well-defined rims and mostly crystallized mesostasis. Matrix is partially recrystallized with minor Fe-, Mg-rich feldspathic glasses.  Olivine is fine-grained and poorly crystallized. Matrix olivine, Fa29.5-34.8 (FeO/MnO = 31-37); low-Ca pyroxene, Fs25.3-29.0Wo0.9-5.3 (FeO/MnO = 25.3-29.0); plagioclase, An41.0-51.2Or2.1-2.9; magnetite, Cr2O3 = 5.3 wt. %, Al2O3 = 1.86 wt. %, TiO2 = 1.97 wt. % and NiO = 0.31 wt. %. Moderately weathered and lightly shocked (S2). Specimens: type specimen, 22 g, NAU; main mass, Reed.

Data from:
  MB89
  Table 7
  Line 227:
Place of purchase:Erfoud
Date:2004
Mass (g):440
Pieces:1
Class:CK4
Classifier:Ted Bunch, NAU
Type spec mass (g):22
Type spec location:NAU
Main mass:Reed
Institutions
   and collections
NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)
Reed: Blaine Reed, P.O. Box 1141, Delta, CO 81416, United States; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6900 approved meteorites from (Northwest Africa) (plus 2035 unapproved names)

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