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Northwest Africa 13293
Basic information Name: Northwest Africa 13293
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13293
Observed fall: No
Year found: 2019
Country: Algeria
Mass:help 193 g
Classification
  history:
Recommended:  LL3    [explanation]

This is 1 of 452 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 18 Apr 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13293 (NWA 13293)

Algeria

Find: 2019

Classification: Ordinary chondrite (LL3)

History: Purchased by Stephen Amara from Mustapha Hnini on 11/5/2019.

Physical characteristics: Single stone with dark-brown fusion crust.

Petrography: (D. Sheikh, FSU) Sample is a chondrite containing abundant chondrules (Av. 750±50 µm), troilite, Fe-oxides, and chromite in an opaque matrix.

Geochemistry: Olivine (Fa18.3±10.8, range Fa0.8-39.2, n=50), Low-Ca Pyroxene (Fs18.5±6.5Wo1.2±0.7, range Fs3.5-28.7Wo0.2-2.6, n=15).

Classification: Ordinary Chondrite (LL3)

Specimens: 20.98 g at UCLA; main mass with Stephen Amara.

Data from:
  MB109
  Table 0
  Line 0:
Date:2019
Mass (g):193
Pieces:1
Class:LL3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):18.3±10.8 (N=50)
Ferrosilite (mol%):18.5±6.5 (N=15)
Wollastonite (mol%):1.2±0.7 (N=15)
Magnetic suscept.:3.74
Classifier:D. Sheikh, FSU
Type spec mass (g):20.98
Type spec location:UCLA
Main mass:Stephen Amara
Comments:Submitted by Daniel Sheikh
Institutions
   and collections		 UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
FSU: Department of Geological Sciences, Florida State University, Tallahassee FL 32306-4100, United States (institutional address; updated 16 Dec 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
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Geography:

Algeria
Coordinates:Unknown.

Statistics:
     This is 1 of 1277 approved meteorites from Algeria (plus 29 unapproved names) (plus 4 impact craters)

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