Meteoritical Bulletin: Entry for Northwest Africa 10098

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Northwest Africa 10098

Basic information

Name: Northwest Africa 10098
This is an OFFICIAL meteorite name.
Abbreviation: NWA 10098
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass: 800 g

Classification
history:

Meteoritical Bulletin:	MB 104	(2015)	CO3
Recommended:			CO3 [explanation]

This is 1 of 645 approved meteorites (plus 1 unapproved name) classified as CO3. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites

Comments:

Approved 14 May 2015

Writeup

Writeup from MB 104:

Northwest Africa 10098 (NWA 10098)

(Northwest Africa)

Purchased: 2013 July 20

Classification: Carbonaceous chondrite (CO3)

Petrography: (A.E. Rubin, UCLA) Stone has approximately 40% matrix, and an average chondrule diameter of ~240 μm. Chondrules exhbit abundant polysynthetically twinned low-Ca pyroxene, indicative of type 3. Most chondrules are type I porphyritic, consistent with a carbonaceous chondrite. Chondrules are sharply defined.

Data from:
  MB104
  Table 0
  Line 0:

Place of purchase:	Zouirat
Date:	P 2013 July 20
Mass (g):	800
Pieces:	10
Class:	CO3
Shock stage:	low
Weathering grade:	medium
Fayalite (mol%):	20.1±17.3 (n=14), Fa 1.7-46.0
Ferrosilite (mol%):	4.7±2.9 (n=8)
Wollastonite (mol%):	2.0±1.4 (n=8)
Classifier:	A.E. Rubin and J. Utas, UCLA
Type spec mass (g):	20
Type spec location:	UCLA
Main mass:	Aid Mohamed
Finder:	anonymous
Comments:	[Aid5]; submitted by J. Utas

Institutions
and collections

UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full

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Geography:

Coordinates:

Unknown.

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

Also see:

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Revision
history:

This lists important revisions made to data for this record.

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