Meteoritical Bulletin: Entry for Northwest Africa 2434

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Northwest Africa 2434

Basic information

Name: Northwest Africa 2434
This is an OFFICIAL meteorite name.
Abbreviation: NWA 2434
Observed fall: No
Year found: 2004
Country: (Northwest Africa)
Mass: 441 g

Classification
history:

Meteoritical Bulletin:	MB 89	(2005)	Diogenite-metal-rich
MetBase:	v. 7.1	(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

Writeup

Writeup from MB 89:

Northwest Africa 2434

Northwest Africa

Purchased 2004

Achondrite (diogenite, metal-rich)

A 441 g partially crusted stone was purchased in Erfoud, Morocco. Description and classification (J. Wittke and T. Bunch, NAU): highly brecciated, metal-rich diogenite with orthopyroxene fragments up to 11 mm in size and scattered recrystallized pockets. Modal content in vol. %: orthopyroxene, 86.2; metal, 7.3 (heterogeneously distributed, 4.3 to 13.2 vol. %); plagioclase, 5.5, phosphate, sulfide and chromite < 2. Orthopyroxene, Fs_24.2Wo_1.3 (FeO/MnO = 32.7); Ca-rich pyroxene, Fs₈Wo_46.9; plagioclase, An_95.7; chromite, cr# = 69; metal, Ni = 6.5 wt. %. Very fresh; shock level, S2. Specimens: type specimen, 27.6 g, NAU; main mass, Hall.

Data from:
  MB89
  Table 7
  Line 246:

Place of purchase:	Erfoud
Date:	2004
Mass (g):	441
Pieces:	1
Class:	Dio
Classifier:	Ted Bunch, NAU
Type spec mass (g):	27.6
Type spec location:	NAU

Institutions
and collections

NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)

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Photos:

Credit	Photos
Photos from the Encyclopedia of Meteorites:
Don Edwards

Geography:

Coordinates:

Unknown.

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

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Revision
history:

This lists important revisions made to data for this record.

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