Meteoritical Bulletin: Entry for Northwest Africa 1112

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Northwest Africa 1112

Basic information

Name: Northwest Africa 1112
This is an OFFICIAL meteorite name.
Abbreviation: NWA 1112
Observed fall: No
Year found: 2001
Country: (Northwest Africa)
Mass: 49 g

Classification
history:

Meteoritical Bulletin:	MB 88	(2004)	CK5
MetBase:	v. 7.1	(2006)	CK5
Recommended:			CK5 [explanation]

This is 1 of 199 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

Writeup

Writeup from MB 88:

Northwest Africa 1112

Morocco

Found 2001

Carbonaceous chondrite (CK5)

A 49 g complete stone was purchased in Erfoud, Morocco October 2001. Classification and mineralogy (T. Bunch and J. Wittke, NAU): well equilibrated, abundant matrix (~75 vol. %). Matrix olivine, Fa_30.1 (range Fa_29.9-30.3), (0.46 wt % NiO); plagioclase, An_31.8Or_4.1 (range An_28.3–38); green diopside, Fs_9.6Wo_45.2En_45.2. Magnetite Cr₂O₃ and Al₂O₃ contents are lower in abundance than in less equilibrated CKs, 3.87 wt % and 0.29 %, respectively, with TiO₂, 0.27 %; MnO 0.18 %; NiO, 0.31% and CoO, 0.14 %. Phosphate and Ni-, Co-rich pyrrhotite. The meteorite is very fresh. Shock level S2. Specimens: type specimen, 9.1 g NAU, main mass, Hupe.

Data from:
  MB88
  Table 4
  Line 5:

Date:	2001
Mass (g):	49
Pieces:	1
Class:	CK5

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:
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Photos:

Credit	Photos
Photos from the Encyclopedia of Meteorites:
Shinishi Kato

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 8890 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

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