Meteoritical Bulletin: Entry for Northwest Africa 2388

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Northwest Africa 2388

Basic information

Name: Northwest Africa 2388
This is an OFFICIAL meteorite name.
Abbreviation: NWA 2388
Observed fall: No
Year found: 2004
Country: (Northwest Africa)
Mass: 81 g

Classification
history:

Meteoritical Bulletin:	MB 89	(2005)	CK6
MetBase:	v. 7.1	(2006)	CK6
Recommended:			CK6 [explanation]

This is 1 of 82 approved meteorites classified as CK6. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites

Writeup

Writeup from MB 89:

Northwest Africa 2388

Northwest Africa

Purchased 2004 September

Carbonaceous chondrite (CK6)

An 81 g fresh and fully crusted stone was purchased in Erfoud, Morocco. Description and classification (T. Bunch and J. Wittke, NAU): fully equilibrated and recrystallized with a few indistinct, relict chondrules. Abundant plagioclase forms a discontinuous network around enclaves of olivine, Ca-pyroxene, and magnetite matrix and around relict chondrules. Olivine in matrix and chondrules is very homogeneous, Fa _31.9-32.6 (N = 26) and very low MnO contents (FeO/MnO = 113-137); Ca-pyroxene, Fs_20.5Wo_50.5 (FeO/MnO = 98-118); plagioclase, An_85.9Or_7.4. All silicates contain NiO: olivine, 0.62-0.82 wt. %, Ca-pyroxene, 0.78-1.09 wt. %, plagioclase, 0.41-0.49 wt. %. Magnetite, Cr₂O₃ = 5.3 wt. %, Al₂O₃ = 2.36 wt. %, NiO = 0.51 wt. %. Moderately weathered and low shock level. Specimens: type specimen, 16.2 g, NAU; main mass, Reed.

Data from:
  MB89
  Table 7
  Line 228:

Place of purchase:	Erfoud
Date:	2004
Mass (g):	81
Pieces:	1
Class:	CK6
Classifier:	Ted Bunch, NAU
Type spec mass (g):	16.2
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)

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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Gerald Armstrong

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9429 approved meteorites from (Northwest Africa) (plus 1876 unapproved names)

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