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Northwest Africa 14317
Basic information Name: Northwest Africa 14317
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14317
Observed fall: No
Year found: 2020
Country: (Northwest Africa)
Mass:help 1450 g
Classification
  history:
Recommended:  CO3    [explanation]

This is 1 of 598 approved meteorites (plus 1 unapproved name) classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 20 Dec 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14317 (NWA 14317)

(Northwest Africa)

Purchased: June 2020

Classification: Carbonaceous chondrite (CO3)

History: The meteorite was purchased by Adrián Contreras Gómez in Tinduf, Algeria, in June 2020.

Physical characteristics: Dark brown stones. Saw cuts reveal numerous chondrules set in a brown-gray groundmass.

Petrography: Abundant chondrules (average apparent diameter 400±350 µm, N=72) and minor CAIs set in a fine-grained matrix (~45 vol%). Opaque phases are FeNi metal and troilite.

Geochemistry: Olivine (Fa24.8±17.5, range Fa0.9-44.4, Cr2O3=0.13±0.09, Mn/Fe=90±26, n=21); low-Ca Pyroxene (Fs9.8±11.2 Wo1.1±1.0, range Fs0.9-16.5 Wo0.3-1.2, n=11).

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Tinduf (Algeria)
Date:P June 2020
Mass (g):1450
Pieces:Many
Class:CO3
Shock stage:low
Weathering grade:low
Fayalite (mol%):24.8±17.5 (0.9-44.4, n=21)
Ferrosilite (mol%):9.8±11.2 (0.9-16.5, n=11)
Wollastonite (mol%):1.1±1.0 (0.3-1.2, n=11)
Classifier:Jordi Llorca, UPC
Type spec mass (g):27
Type spec location:UPC
Main mass:Adrian Contreras Gómez
Comments:Submitted by Jordi Llorca (UPC)
Institutions
   and collections
UPC: Institut de Tècniques Energètiques, Universitat Politècnica de Catalunya Diagonal 647, ed. ETSEIB, 08028 Barcelona, Spain, Spain (institutional address; updated 3 May 2015)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8136 approved meteorites from (Northwest Africa) (plus 1942 unapproved names)

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