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Northwest Africa 14838
Basic information Name: Northwest Africa 14838
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14838
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 392 g
Classification
  history:
Recommended:  CV3    [explanation]

This is 1 of 593 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 26 May 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 14838 (NWA 14838)

(Northwest Africa)

Purchased: 2021

Classification: Carbonaceous chondrite (CV3)

History: Purchased by Chris Monk in 2021 from a meteorite dealer in northwest Africa.

Physical characteristics: Many small pieces with dark brown fusion crust.

Petrography: (D. Sheikh, Cascadia) Sample is a composed of chondrules (~1 mm, up to 4 mm; 44 vol.%) and refractory inclusions (~1 mm, up to 3 mm, 6% vol.%) set within a slightly opaque to fine-grained matrix (~50 vol.%). Accessory phases include magnetite and troilite.

Geochemistry: Olivine (Fa31.6±22.2, range Fa1.0-67.2, n=38), Low-Ca pyroxene (Fs4.8±0.6Wo0.9±0.3, range Fs3.9-5.7Wo0.6-1.4, n=10).

Classification: Carbonaceous chondrite (CV3)

Specimens: 20.2 g at Cascadia, main mass with Chris Monk

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Northwest Africa
Date:P 2021
Mass (g):392
Pieces:many
Class:CV3
Shock stage:low
Weathering grade:low
Fayalite (mol%):31.6±22.2
Ferrosilite (mol%):4.8±0.6
Wollastonite (mol%):0.9±0.3
Classifier:D. Sheikh, Cascadia
Type spec mass (g):20.2
Type spec location:Cascadia
Main mass:Chris Monk
Comments:CML 1523; submitted by Daniel Sheikh
Institutions
   and collections
Cascadia: Cascadia Meteorite Laboratory, Portland State University, Department of Geology, Room 17 Cramer Hall, 1721 SW Broadway, Portland, OR 97201, United States; Website (institutional address; updated 28 Oct 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 111, in preparation (2022)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 8674 approved meteorites from (Northwest Africa) (plus 1882 unapproved names)

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