Meteoritical Bulletin: Entry for Northwest Africa 10436

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Northwest Africa 10436

Basic information

Name: Northwest Africa 10436
This is an OFFICIAL meteorite name.
Abbreviation: NWA 10436
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass: 624 g

Classification
history:

Meteoritical Bulletin:	MB 105	(2016)	LL7
Recommended:			LL7 [explanation]

This is 1 of 100 approved meteorites classified as LL7. [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 13 Jan 2016

Writeup

Writeup from MB 105:

Northwest Africa 10436 (NWA 10436)

(Northwest Africa)

Purchased: Dec 2014

Classification: Ordinary chondrite (LL7)

History: Purchased in northwest Africa by Brahim Tahiri and sent to his partner, Sean Tutorow, for analysis in December 2014.

Physical characteristics: Four fragments that fit together, with weathered exterior, glossy brown patina, some caliche, and small grayish areas protruding through the patina.

Petrography: (C. Agee, UNM) This meteorite consists of ~50% olivine, ~30% pigeonite, and ~10% sodic plagioclase. Fe-metal, troilite, and Ti-chromite observed. Chondrules are absent.

Geochemistry: (C. Agee and N. Muttik, UNM) Olivine Fa_31.1±0.3, Fe/Mn=60±2, n=14; pigeonite Fs_25.1±1.0Wo_6.5±2.2, Fe/Mn=34±3, n=14; plagioclase An_11.8±1.2Ab_84.1±0.9Or_4.1±0.5, n=7.

Specimens: 21.2 g including a probe mount on deposit at UNM, Sean Tutorow holds the main mass.

Data from:
  MB105
  Table 0
  Line 0:

Place of purchase:	Northwest Africa
Date:	P 2014 Dec
Mass (g):	624.2
Pieces:	4
Class:	LL7
Shock stage:	low
Weathering grade:	moderate
Fayalite (mol%):	31.1±0.3
Ferrosilite (mol%):	25.1±1.0
Wollastonite (mol%):	6.5±2.2
Classifier:	C. Agee, UNM
Type spec mass (g):	21.2
Type spec location:	UNM
Main mass:	Sean Tutorow
Comments:	Field name G606; submitted by C. Agee, UNM

Institutions
and collections

UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full

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Photos:

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

Geography:

Coordinates:

Unknown.

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

Also see:

This lists the most popular meteorites among people who looked up this meteorite.

Revision
history:

This lists important revisions made to data for this record.

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