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Northwest Africa 13972
Basic information Name: Northwest Africa 13972
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13972
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 800 g
Classification
  history:
Recommended:  CVred3    [explanation]

This is 1 of 30 approved meteorites classified as CVred3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 18 Jun 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 13972 (NWA 13972)

(Northwest Africa)

Purchased: 2021

Classification: Carbonaceous chondrite (CVred3)

History: The meteorite was acquired by the mass holder in Mauritania.

Physical characteristics: Brownish rock without fusion crust.

Petrography: Carbonaceous chondrite composed of large chondrules (mean diameter about 0.9 mm; up to 2 mm sized), CAIs (up to 3 mm sized), and olivine amoeboids all set into a fine-grained dark brownish to black matrix. Several chondrules show brownish staining due to terrestrial alteration. Opaque phases are metal and Ni-poor sulfides.

Geochemistry: Ni in sulfides 0.29±0.45 wt%, N=11

Classification: Carbonaceous chondrite (CVred3). Reduced subgroup based on low concentrations of Ni in sulfides (Gattacceca et al., 2020).

Bibliography:
  • Gattacceca J.,Bonal L.,Sonzognia C., and Longereya J. (2020) CV chondrites: More than one parent body. Earth Planet. Sci. Letts. 547, 116467. (link)
Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Mauritania
Date:P 2021
Mass (g):800
Pieces:1
Class:CVred3
Shock stage:S1
Weathering grade:moderate
Fayalite (mol%):10.4±9.3 (0.4-31.0, n=21)
Ferrosilite (mol%):1.6±0.5 (1.2-2.9, n=12)
Wollastonite (mol%):1.5±0.6 (0.9-3.1, n=12)
Classifier:A. Greshake, MNB
Type spec mass (g):20
Type spec location:MNB
Main mass:Said Muftha Bachir
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 Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

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

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