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Northwest Africa 16161
Basic information Name: Northwest Africa 16161
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 16161
Observed fall: No
Year found: 2023
Country: (Northwest Africa)
Mass:help 144 g
Classification
  history:
Recommended:  CV3    [explanation]

This is 1 of 619 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 3 Sep 2023
Writeuphelp
Writeup from MB 112:

Northwest Africa 16161 (NWA 16161)

(Northwest Africa)

Purchased: 2023 May

Classification: Carbonaceous chondrite (CV3)

History: Jason Whitcomb purchased the find from a meteorite broker from the region.

Physical characteristics: Twelve dark brownish to almost black fragments lacking fusion crust.

Petrography: Carbonaceous chondrite composed of large chondrules (up to 2 mm sized), whitish CAIs (up to 3 mm sized), and olivine amoeboids all set into a fine-grained grayish to brownish matrix. Some chondrules show brownish staining due to terrestrial alteration. Opaque phases are FeNi metal and sulfides plus their respective alteration products.

Data from:
  MB112
  Table 0
  Line 0:
Place of purchase:Nouakchott, Mauritania
Date:P 2023 May
Mass (g):144
Pieces:12
Class:CV3
Shock stage:S2
Weathering grade:moderate
Fayalite (mol%):10.3±10.9 (0.5-32.9, n=15)
Ferrosilite (mol%):1.2±0.4 (0.7-1.9, n=10)
Wollastonite (mol%):1.3±0.2 (1.0-1.7, n=10)
Classifier:A. Greshake, MNB
Type spec mass (g):22.7
Type spec location:MNB
Main mass:Whitcomb Meteorite Collection
Comments:Work name JW-250; 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. 112, in preparation (2023)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9305 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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