Meteoritical Bulletin: Entry for Northwest Africa 4034

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Northwest Africa 4034

Basic information

Name: Northwest Africa 4034
This is an OFFICIAL meteorite name.
Abbreviation: NWA 4034
Observed fall: No
Year found: 2005
Country: (Northwest Africa)
Mass: 1513 g

Classification
history:

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

This is 1 of 522 approved meteorites classified as Diogenite. [show all]
Search for other: Achondrites, Diogenites, and HED achondrites

Comments:

Approved 3 Feb 2006

Writeup

Writeup from MB 90:

Northwest Africa 4034

Northwest Africa

Find: 2005

Achondrite (diogenite)

History: A single stone of 1513 g partly covered with fusion crust was found in 2005 by an anonymous finder in the western part of the Sahara in Morocco.

Petrography: (A. Greshake, MNB) The specimen is dominated by large blocky orthopyroxenes; locally, these crystals are brecciated into smaller grains. Minor phases include Mg-Al-Cr-spinel and plagioclase.

Geochemistry: Orthopyroxene (Fs_25.2Wo_3.3), plagioclase (An_81.3–83).

Classification: Achondrite (diogenite); moderate shock, moderate to extensive weathering.

Specimens: A 24.5 g type specimen and one polished thin section are on deposit at MNB. JNMC-Zurich of Zurich, Switzerland, holds the main mass.

Data from:
  MB90
  Table 2
  Line 253:

Place of purchase:	Morocco
Date:	2005
Mass (g):	1513
Pieces:	1
Class:	Dio
Shock stage:	moderate
Weathering grade:	High
Type spec mass (g):	24.5

Institutions
and collections

MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)

Catalogs:

References:

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

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Photos:

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

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)

Also see:

This lists the most popular meteorites among people who looked up this meteorite.

Revision
history:

This lists important revisions made to data for this record.

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