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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:
Meteoritical Bulletin:  MB 111  (2023)  CV3
Recommended:  CV3    [explanation]

This is 1 of 470 approved meteorites (plus 2 unapproved names) 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 Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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