Meteoritical Bulletin: Entry for Northwest Africa 12297

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Northwest Africa 12297

Basic information

Name: Northwest Africa 12297
This is an OFFICIAL meteorite name.
Abbreviation: NWA 12297
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass: 110.5 g

Classification
history:

Recommended:

L~5 [explanation]

This is 1 of 58 approved meteorites classified as L~5. [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 9 Nov 2018

Writeup

Writeup from MB 107:

Northwest Africa 12297 (NWA 12297)

(Northwest Africa)

Purchased: 2015

Classification: Ordinary chondrite (L~5)

History: (Ziyao Wang) Purchased by Wang Ziyao from Sbai Mohamed at the mineral show in Beijing in Nov. 2015

Physical characteristics: (Wang Ziyao) Black 110.5 g stone with dark black-brown fusion crust

Petrography: (R. Bartoschewitz, Bart) Light-gray recrystallized matrix with well recognizable lighter chondrules (0.5-1.6 mm, av. 0.8 mm) and irregular metal and sulphide.

Geochemistry: Magnetic susceptibility (R. Bartoschewitz, Bart) log χ (× 10^-9 m³/kg) = 5.06

Classification: Ordinary chondrite (L~5, W0)

Specimens: 20.1 g on deposit at Kiel, Wang Ziyao holds the main mass, and 4.5 g with Bart.

Data from:
  MB107
  Table 0
  Line 0:

Origin or pseudonym:	desert
Place of purchase:	Beijing
Date:	P 2015
Mass (g):	110.5
Pieces:	1
Class:	L~5
Weathering grade:	W0
Magnetic suscept.:	5.06
Classifier:	R. Bartoschewitz
Type spec mass (g):	20.1
Type spec location:	Kiel
Main mass:	Wang Ziyao
Finder:	anonymous
Comments:	working name WZ24; 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)
Beijing: Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China (institutional address; updated 16 Oct 2011)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 107, in preparation (2018)

Find references in NASA ADS:
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Photos:

Credit	Photos
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 7035 approved meteorites from (Northwest Africa) (plus 2000 unapproved names)

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