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Northwest Africa 12745
Basic information Name: Northwest Africa 12745
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12745
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 238 g
Classification
  history:
Recommended:  H6-melt breccia    [explanation]

This is 1 of 11 approved meteorites classified as H6-melt breccia.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 27 Jul 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12745 (NWA 12745)

(Northwest Africa)

Purchased: 2019

Classification: Ordinary chondrite (H6, melt breccia)

History: The meteorite was purchased from a local meteorite dealer in Erfoud, Morocco.

Physical characteristics: Four Dark brownish fragments without fusion crust.

Petrography: Chondritic melt rock with few chondritic regions of type H6 (plagioclase grain size about 60 μm) and abundant melt rock. No metal or sulfide veins are observed.

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P 2019
Mass (g):238
Pieces:4
Class:H6-melt breccia
Shock stage:S3
Weathering grade:W3
Fayalite (mol%):19.2±0.1 (n=12)
Ferrosilite (mol%):16.6±0.3 (n=12)
Wollastonite (mol%):1.9±0.3 (n=12)
Classifier:A. Greshake, MNB
Type spec mass (g):21.5
Type spec location:MNB
Main mass:Hanno Strufe
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108, in preparation (2019)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7385 approved meteorites from (Northwest Africa) (plus 1955 unapproved names)

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