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	(2021)	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 Gattacceca J., McCubbin F. M., Grossman J., Bouvier A., Bullock E., Chennaoui Aoudjehane H., Debaille V., D’Orazio M., Komatsu M., Miao B. and Schrader D. L. (2021) The Meteoritical Bulletin, No. 109. Meteoritics & Planetary Science 56, 1626–1630.

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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 9914 approved meteorites from (Northwest Africa) (plus 1841 unapproved names)

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