Meteoritical Bulletin: Entry for Northwest Africa 10306

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Northwest Africa 10306

Basic information

Name: Northwest Africa 10306
This is an OFFICIAL meteorite name.
Abbreviation: NWA 10306
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass: 179.8 g

Classification
history:

Meteoritical Bulletin:	MB 104	(2015)	LL3
Recommended:			LL3 [explanation]

This is 1 of 487 approved meteorites classified as LL3. [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 15 Sep 2015

Writeup

Writeup from MB 104:

Northwest Africa 10306 (NWA 10306)

(Northwest Africa)

Purchased: 2015 May

Classification: Ordinary chondrite (LL3)

History: Purchased by Fabien Kuntz in May 2015 from a dealer in Erfoud, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Closely packed, well-formed chondrules (apparent diameter 0.4-3.8 mm) occur in a finer-grained matrix (~10 vol.%).

Geochemistry: Olivine (Fa_0.4-45.3, Cr₂O₃ in ferroan examples 0.02-0.19 wt.%, N = 7), orthopyroxene (Fs_0.8-29.7Wo_0.6-1.2, N = 3), augite (Fs_5.2Wo_38.8, subcalcic augite (Fs_12.0Wo_29.3). Magnetic susceptibility log χ = 4.15 (χ in 10-9 m3/kg).

Classification: Ordinary chondrite (LL3).

Specimens: 22.83 g including one polished thin section at PSF; remainder with Kuntz.

Data from:
  MB104
  Table 0
  Line 0:

Place of purchase:	Erfoud
Date:	P 2015 May
Mass (g):	179.8
Pieces:	2
Class:	LL3
Shock stage:	S2
Weathering grade:	W2
Fayalite (mol%):	0.4-45.3
Ferrosilite (mol%):	0.8-29.7
Wollastonite (mol%):	0.6-1.2
Magnetic suscept.:	4.15
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	22.83
Type spec location:	PSF
Main mass:	Kuntz
Comments:	K257; submitted by A. Irving

Institutions
and collections

PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
Kuntz: Fabien Kuntz, France; Website (private address)

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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Photos:

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

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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