Meteoritical Bulletin: Entry for Northwest Africa 2703

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Northwest Africa 2703

Basic information

Name: Northwest Africa 2703
This is an OFFICIAL meteorite name.
Abbreviation: NWA 2703
Observed fall: No
Year found: 2005
Country: Morocco
Mass: 121 g

Classification
history:

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

This is 1 of 660 approved meteorites classified as Ureilite. [show all]
Search for other: Achondrites, Ureilites

Comments:

Approved 3 Feb 2006

Writeup

Writeup from MB 90:

Northwest Africa 2703

Morocco

Find: 2004

Achondrite (ureilite)

History: A complete partially crusted stone weighing 121 g was purchased in Erfoud, Morocco.

Petrography: (J. Wittke and T. Bunch, NAU): A fine-grained (≤1 mm) ureilite that has a low level of reduction.

Composition: Olivine (cores, Fa_12.3; FeO/MnO = 22), pigeonite (Fs_10.6Wo_5.1; FeO/MnO = 14), clinopyroxene (Fs_6.5Wo₃₇; FeO/MnO = 13). Metal, sulfide, and graphite ribbons also present.

Classification: Achondrite (ureilite); low shock; minimal weathering.

Specimens: A 20.5 g type specimen is on deposit at NAU. GHupé holds the main mass.

Data from:
  MB90
  Table 2
  Line 47:

Place of purchase:	Unknown
Date:	2004
Mass (g):	121
Pieces:	1
Class:	Ure
Shock stage:	Low
Weathering grade:	minimal
Fayalite (mol%):	12.3
Ferrosilite (mol%):	10.6
Type spec mass (g):	20.5

Institutions
and collections

NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)
GHupé: Gregory M. Hupé, 9003 Placid Lakes Blvd., Lake Placid, FL 33852, United States; 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:
The Hupe Collection

Geography:

Morocco

Coordinates:

Unknown.

Statistics:
This is 1 of 2082 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater)

Also see:

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Revision
history:

This lists important revisions made to data for this record.

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