Meteoritical Bulletin: Entry for Northwest Africa 10244

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Northwest Africa 10244

Basic information

Name: Northwest Africa 10244
This is an OFFICIAL meteorite name.
Abbreviation: NWA 10244
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass: 2.2 kg

Classification
history:

Meteoritical Bulletin:	MB 104	(2015)	LL5-melt breccia
Recommended:			LL5-melt breccia [explanation]

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

Comments:

Approved 24 Aug 2015

Writeup

Writeup from MB 104:

Northwest Africa 10244 (NWA 10244)

(Northwest Africa)

Purchased: 2014

Classification: Ordinary chondrite (LL5, melt breccia)

History: 3 fragments of meteorite were purchased from anonymous dealer in Morocco.

Physical characteristics: 3 fragments of the meteorite with combined mass of 2202 g ( 385, 497 and 1320 g) with brown fusion crust

Petrography: The meteorite is a breccia containing gray (70 vol.%) and black (30 vol. %) lithologies. The gray lithology where mineral analysis were carried out has chondrite structure and contains rare melt pockets. Olivine has undulatory extinction and planar fractures, rare olivine grains have weak mosaicism and rare planar deformation features. The black lithology contains fine-grained devitrified melt with chondrite fragments.

Specimens: a piece of meteorite, 385 g, a slice of 77 g and many small pieces of 11 g are deposited at Vernad.

Data from:
  MB104
  Table 0
  Line 0:

Place of purchase:	Denver, USA
Date:	P 2014
Mass (g):	2202
Pieces:	3
Class:	LL5-melt breccia
Shock stage:	S4
Weathering grade:	W1
Fayalite (mol%):	26.7± 0.2 (n=20)
Ferrosilite (mol%):	22.7±0.3 (n=20)
Wollastonite (mol%):	1.6 ±0.8 (n=20)
Classifier:	M. A. Ivanova, Vernad
Type spec mass (g):	473
Type spec location:	Vernad
Main mass:	Mr. Kalachev V.N.
Comments:	Submitted by M. A. Ivanova

Institutions
and collections

Vernad: Vernadsky Institute of Geochemistry and Analytical Chemistry, Russia (institutional address; updated 21 Feb 2016)

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:

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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