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Northwest Africa 13040
Basic information Name: Northwest Africa 13040
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13040
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 15 kg
Classification
  history:
Recommended:  LL~3    [explanation]

This is 1 of 4 approved meteorites classified as LL~3.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 17 Feb 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13040 (NWA 13040)

(Northwest Africa)

Purchased: 2019

Classification: Ordinary chondrite (LL~3)

History: (Ziyao Wang) Purchased by Wei Jiang from a Moroccan dealer (Rachid Adnane) at the mineral show in Chenzhou in May 2019

Physical characteristics: (Ziyao Wang) More than 30 individals and fragments between 1 kg and 20 g. The total discovered mass exceeds 15 kg.

Petrography: (R. Bartoschewitz, Bart) light brown cut face with close-fit texture of interlocking deformed and undeformed chondrules (0.3-3 mm), chondrule:interchondrule matrix about 9:1. Weathered surface with Ni-bearing evaporates.

Geochemistry: Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10-9 m3/kg) = 4.06

Classification: Ordinary chondrite (LL~3, W4)

Specimens: 21.4 g on deposit at Kiel, Wei Jiang holds the main mass, and 275 g with Bart.

Data from:
  MB109
  Table 0
  Line 0:
Origin or pseudonym:desert
Place of purchase:Chenzhou, China
Date:P 2019
Mass (g):15000
Pieces:many
Class:LL~3
Weathering grade:W4
Magnetic suscept.:4.06
Classifier:R. Bartoschewitz
Type spec mass (g):21.2
Type spec location:Kiel
Main mass:Wei Jiang
Finder:anonymous
Comments:working name WZ149; submitted by R. Bartoschewitz
Institutions
   and collections
Kiel: Geologisches und Mineralogisches Museum, Institut für Geowissenschaften, Christian-Albrechts-Universität Kiel, Ludewig-Mayn-Str. 10, D-24118 Kiel, Germany, Germany (institutional address; updated 13 Sep 2013)
Bart: Bartoschewitz Meteorite Laboratory, Weiland 37, D-38518 Gifhorn, Germany; Website (private address; updated 30 Nov 2019)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Wang Ziyao         
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7374 approved meteorites from (Northwest Africa) (plus 1957 unapproved names)

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