Meteoritical Bulletin: Entry for Northwest Africa 10817

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Northwest Africa 10817

Basic information

Name: Northwest Africa 10817
This is an OFFICIAL meteorite name.
Abbreviation: NWA 10817
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass: 385 g

Classification
history:

Meteoritical Bulletin:	MB 105	(2016)	LL5
Recommended:			LL5 [explanation]

This is 1 of 3298 approved meteorites (plus 1 unapproved name) classified as LL5. [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 27 Aug 2016

Writeup

Writeup from MB 105:

Northwest Africa 10817 (NWA 10817)

(Northwest Africa)

Purchased: 2016

Classification: Ordinary chondrite (LL5)

History: Purchased by Larry Sloan in Tucson from Ahmed Pani, 2016.

Physical characteristics: Single stone with weathered exterior; saw cut shows scattered chondrules set in reddish-brown matrix.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows some distinct chondrules, plagioclase up to ~20 μm.

Geochemistry: (C. Agee and M. Spilde, UNM) Olivine Fa_27.6±0.1, Fe/Mn=54±2, n=13; low-Ca pyroxene Fs_22.7±0.2Wo_1.4±0.4, Fe/Mn=32±1, n=7.

Classification: Ordinary chondrite (LL5)

Specimens: 22.27 g including a probe mount on deposit at UNM, Larry Sloan holds the main mass

Data from:
  MB105
  Table 0
  Line 0:

Place of purchase:	Tucson
Date:	P 2016
Mass (g):	385
Pieces:	1
Class:	LL5
Shock stage:	S3
Weathering grade:	W2
Fayalite (mol%):	27.6±0.1
Ferrosilite (mol%):	22.7±0.2
Wollastonite (mol%):	1.4±0.4
Classifier:	C. Agee, UNM
Type spec mass (g):	22.27
Type spec location:	UNM
Main mass:	Larry Sloan
Comments:	Submitted by C. Agee

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)
Pani: A. Pani, Meteorites-Minerals-Fossils, Lassallestr. 4/20, A-1020 Vienna, Austria; Website (private address)

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)
KD Meteorites

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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