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Northwest Africa 11845
Basic information Name: Northwest Africa 11845
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11845
Observed fall: No
Year found: 2018
Country: (Northwest Africa)
Mass:help 69 g
Classification
  history:
Recommended:  CV3    [explanation]

This is 1 of 455 approved meteorites classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 4 Jul 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11845 (NWA 11845)

(Northwest Africa)

Purchased: 2018

Classification: Carbonaceous chondrite (CV3)

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

Physical characteristics: Dark greyish individual with patches of fusion crust.

Petrography: Carbonaceous chondrite composed of separated well-defined chondrules (mean diameter about 1.0 mm), CAIs (up to 4 mm), and olivine amoeboids all set into a fine-grained almost black matrix. Type II chondrules are absent. Some chondrules show reddish staining due to terrestrial weathering.

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2018
Mass (g):69
Pieces:1
Class:CV3
Shock stage:S1
Weathering grade:moderate
Fayalite (mol%):14.1±17.6 (0.3-52.4, n=20)
Ferrosilite (mol%):1.1±0.4 (0.6-1.8, n=18)
Wollastonite (mol%):0.9±0.2 (0.5-1.3, n=18)
Classifier:A. Greshake, MNB
Type spec mass (g):13.8
Type spec location:MNB
Main mass:Philippe Schmitt-Kopplin
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstrasse 43, D-10115 Berlin, Germany (institutional address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, in preparation (2018)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6407 approved meteorites from (Northwest Africa) (plus 2023 unapproved names)

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