Meteoritical Bulletin: Entry for Northwest Africa 4372

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Northwest Africa 4372

Basic information

Name: Northwest Africa 4372
This is an OFFICIAL meteorite name.
Abbreviation: NWA 4372
Observed fall: No
Year found: 2005
Country: (Northwest Africa)
Mass: 64.8 g

Classification
history:

Meteoritical Bulletin:	MB 92	(2007)	CK4
Recommended:			CK4 [explanation]

This is 1 of 119 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

Comments:

Approved 24 Jul 2007

Writeup

Writeup from MB 92:

Northwest Africa 4372

Northwest Africa

Find: 2005

Carbonaceous chondrite (CK4)

History: An anonymous finder recovered the meteorite in the western part of the Sahara. The main mass holder purchased the sample at a mineral fair in Munich, Germany in 2005.

Physical characteristics: One stone of 64.8 g was recovered.

Petrography: (A. Greshake, MNB). The meteorite consists of sharply defined chondrules, mineral fragments, and large CAIs set into a fine-grained matrix. Minor phases include feldspar, Cr-rich magnetite and Ca-pyroxene.

Mineral compositions: Olivine (Fa_24.6-28.8); low-Ca pyroxene (Fs_1.2-24.1). Oxygen Isotopes: (I. A. Franchi and R. C. Greenwood, OU) δ¹⁷O = -3.26, δ¹⁸O = 0.40, Δ¹⁷O = -3.46 (all ‰).

Classification: Carbonaceous chondrite (CK4); minimal shock, extensive weathering.

Type specimens: A total of 13.5 g plus one polished thin section are on deposit at MNB. HSSH holds the main mass.

Data from:
  MB92
  Table 2
  Line 55:

Place of purchase:	Munich, Germany
Date:	2005
Mass (g):	64.8
Pieces:	1
Class:	CK4
Type spec mass (g):	13.5

Plots:

O isotopes:

Institutions
and collections

MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
OU: Planetary and Space Sciences Department of Physical Sciences The Open University Walton Hall Milton Keynes MK7 6AA United Kingdom, United Kingdom (institutional address; updated 8 Dec 2011)
HSSH: Hanno Strufe, Langenbergstr. 32, 66954 Pirmasens, Germany; Website (private address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 92, MAPS 42, 1647-1694 (2007)

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names)

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