Meteoritical Bulletin: Entry for Northwest Africa 13501

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Northwest Africa 13501

Basic information

Name: Northwest Africa 13501
This is an OFFICIAL meteorite name.
Abbreviation: NWA 13501
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass: 197.8 g

Classification
history:

Meteoritical Bulletin:	MB 109	(2020)	H3.10
Recommended:			H3.10 [explanation]

This is 1 of 5 approved meteorites classified as H3.10. [show all]
Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 14 Nov 2020

Writeup

Writeup from MB 109:

Northwest Africa 13501 (NWA 13501)

(Northwest Africa)

Purchased: 2016 Apr

Classification: Ordinary chondrite (H3.10)

Petrography: (J. Gattacceca, CEREGE) Chondrite with well-defined, packed chondrules. Chondrule average apparent diameter 400±270 μm (n=44). Olivine are zoned compositionally. Opaques are metal and troilite.

Geochemistry: Olivine Fa_11.2±10.1, Fa PMD = 76% (n=12), Cr₂O₃ in ferroan olivine 0.38±0.21 wt% (n=10). Low-Ca pyroxene Fs_8.3Wo_1.1(n=2).

Classification: Ordinary chondrite. H group based on magnetic susceptibility interpreted in the light of weathering grade and chondrule size. Subtype based on Cr₂O₃ content of ferroan olivine.

Specimens: Type specimen at CEREGE. Main mass with Kuntz.

Data from:
  MB109
  Table 0
  Line 0:

Place of purchase:	Erfoud (Morocco)
Date:	P 2016 Apr
Mass (g):	197.8
Pieces:	1
Class:	H3.10
Weathering grade:	W3
Fayalite (mol%):	11.2±10.1 (n=12)
Ferrosilite (mol%):	8.3 (n=2)
Wollastonite (mol%):	1.1
Magnetic suscept.:	4.78
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	21.9
Type spec location:	CEREGE
Main mass:	Kuntz
Comments:	work name K435; submitted by Jérôme Gattacceca

Institutions
and collections

CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 10 Jun 2023)
Kuntz: Fabien Kuntz, France; Website (private address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 109, in preparation (2020)

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Photos:

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

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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