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Northwest Africa 13193
Basic information Name: Northwest Africa 13193
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13193
Observed fall: No
Year found: 2000
Country: (Northwest Africa)
Mass:help 9 g
Classification
  history:
Meteoritical Bulletin:  MB 109  (2020)  L5
Recommended:  L5    [explanation]

This is 1 of 8876 approved meteorites (plus 5 unapproved names) classified as L5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 12 Feb 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13193 (NWA 13193)

(Northwest Africa)

Find: 1998

Classification: Ordinary chondrite (L5)

History: Iffat Jabeen is the owner of this meteorite who bought it from Michael I. Casper, Meteorites, Inc. in March 2000

Physical characteristics: A 9 g polished slice. It has a smooth, thin, dark-brown fusion crust present on the edges of the slice. The polished surfaces show several bright spots of metal that make the sample strongly magnetic.

Petrography (S. Nasir, SQU): Porphyritic olivine pyroxene (POP), radial pyroxene (RP) and barred olivine (BO) chondrules are readily defined. Moderate oxidization of metal is observed.

Geochemistry: (N. K. Kim, C. Park and J. I. Lee, KOPRI) Duplicate oxygen isotope analysis of untreated bulk materials (grains) by laser-assisted fluorination provided, respectively, δ17O 3.625, 3.659; δ18O 4.787, 4.778; Δ17O 1.098, 1.136 per mil.

Classification: Ordinary chondrite (L5), W2.

Data from:
  MB109
  Table 0
  Line 0:
Origin or pseudonym:Sahara
Date:1998
Mass (g):9
Pieces:1
Class:L5
Weathering grade:W2
Fayalite (mol%):25.2±0.2 (n=21)
Ferrosilite (mol%):21.1±0.3 (n=21)
Classifier:A. Ali, SQU
Type spec mass (g):9
Type spec location:SQU
Main mass:SQU
Comments:Submitted by Arshad Ali
Plots: O isotopes:  
Institutions
   and collections
SQU: Sultan Qaboos University, College of Science, Earth Sciences Department, P.O. Box 36 Code 123 Al­Khoud, Oman (institutional address; updated 5 Oct 2014)
Casper: Michael I. Casper, Meteorites, Inc., P.O. Drawer J, Ithaca, NY 14851, United States; Website (private address)
KOPRI: Korea Polar Research Institute, 26 Songdomirae-ro, Yeonsu-gu, Incheon, Korea, 406-840, South Korea; Website (institutional address; updated 20 Dec 2014)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Public domain photographs:
Archal Ali   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 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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