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NWA 7163 LL3 Chondrite Meteorite Part Slice weighing 0.8g


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NWA 7163 LL3 Chondrite Meteorite Part Slice weighing 0.8g


Northwest Africa 7163
Basic informationName: Northwest Africa 7163
This is an OFFICIAL meteorite name.
Abbreviation: NWA 7163
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass:help 91 g
Meteoritical Bulletin:MB 104  (2015)LL3
Recommended:  LL3    [explanation]

This is 1 of 358 approved meteorites classified as LL3.   [show all]
Search for other: LL chondritesLL chondrites (type 3)Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:Approved 2 Feb 2015

Writeup from MB 104:

Northwest Africa 7163 (NWA 7163)

(Northwest Africa)

Purchased: 2011

Classification: Ordinary chondrite (LL3)

History: Purchased by Marcin Cimała in 2011 from a dealer in Erfoud, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Closely-packed, well-formed chondrules (1.5±0.6 mm) in a finer matrix.

Geochemistry: Olivine (Fa7.4-56.7, Cr2O3 in ferroan olivine 0.09-0.30 wt.%, mean 0.13±0.07 wt.%, N = 9), orthopyroxene (Fs0.3-16.9Wo0.9-1.3, N = 3), pigeonite (Fs21.5Wo16.4), augite (Fs14.9Wo39.1).

Classification: Ordinary chondrite (LL3).

Specimens: 18.9 g including one polished thin section at PSF; main mass with Mr. M. Cimała.

Data from:
Table 0
Line 0:
Place of purchase:Erfoud
Date:P 2011
Mass (g):91
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):7.4-56.7 (N = 9)
Ferrosilite (mol%):0.3-16.9
Wollastonite (mol%):0.9-1.3
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):18.9
Type spec location:PSF
Main mass:M. Cimala
Comments:MC 087; submitted by P. Sipiera