Meteoritical Bulletin: Entry for Northwest Africa 2901

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Northwest Africa 2901

Basic information

Name: Northwest Africa 2901
This is an OFFICIAL meteorite name.
Abbreviation: NWA 2901
Observed fall: No
Year found: 2004
Country: (Northwest Africa)
Mass: 308 g

Classification
history:

Meteoritical Bulletin:	MB 90	(2006)	CV3
Recommended:			CV3 [explanation]

This is 1 of 470 approved meteorites (plus 2 unapproved names) classified as CV3. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites

Comments:

Approved 21 Sep 2005

Writeup

Writeup from MB online:

Northwest Africa 2901

Northwest Africa

Find: 2004

Carbonaceous chondrite (CV3)

History: An anonymous finder recovered a single stone of 308 g within the North African Sahara in 2004.

Petrography: (A. Greshake, MNB) The sample contains large chondrules, CAIs, and mineral fragments set into a fine-grained, dark-appearing matrix.

Geochemistry: Olivine (Fa_25.9, range Fa_0.4–32.1), low-Ca pyroxene (Fs_20.8–22.7). Oxygen isotopes: (I. Franchi and R. C. Greenwood, OU) δ¹⁷O = −1.226, δ¹⁸O = +3.587, ∆¹⁷O = −3.091 (all ‰).

Classification: Carbonaceous chondrite (CV3); low shock, extensive weathering.

Specimens: A 21.1 g type specimen and one thin section are on deposit at MNB. Stefan Ralew of Germany holds the main mass.

Data from:
  MB90
  Table 2
  Line 157:

Place of purchase:	Unknown
Date:	2004
Mass (g):	308
Pieces:	1
Class:	CV3
Type spec mass (g):	21.1

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)
Ralew: Stefan Ralew, Kunibertstraße 29, 12524 Berlin, Germany; Website (private address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 90, MAPS 41, 1383-1418 (2006)

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Photos:

Credit	Photos
Photos from the Encyclopedia of Meteorites:
SR Meteorites

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

Also see:

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Revision
history:

This lists important revisions made to data for this record.

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