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Northwest Africa 14007
Basic information Name: Northwest Africa 14007
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14007
Observed fall: No
Year found: 2019
Country: Algeria
Mass:help 490 g
Classification
  history:
Recommended:  LL3    [explanation]

This is 1 of 441 approved meteorites classified as LL3.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 31 May 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14007 (NWA 14007)

Algeria

Find: 2019

Classification: Ordinary chondrite (LL3)

History: Purchased in 2019 by Matthew Stream from Mostafa Hnini in Algeria.

Physical characteristics: Single stone with dark-brown fusion crust.

Petrography: (D. Sheikh, Cascadia) This sample contains chondrules (720±100 µm, n=20) set in a fine-grained, slightly opaque matrix with accesory Fe-Ni metal and troilite.

Geochemistry: Olivine (Fa19.3±11.0 ,range Fa0.5-44.2, n=43), Low-Ca Pyroxene (Fs14.7±9.5Wo1.4±0.6, range Fs1.0-27.9Wo0.4-2.9, n=19).

Classification: Ordinary chondrite (LL3) based on range in Fa and Fs values, and on average chondrule diameter.

Specimens: 20.3 g and a thin section at Cascadia; main mass with Matthew Stream.

Data from:
  MB110
  Table 0
  Line 0:
Date:2019
Mass (g):490
Pieces:1
Class:LL3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):19.3±11.0
Ferrosilite (mol%):14.7±9.5
Wollastonite (mol%):1.4±0.6
Magnetic suscept.:3.73
Classifier:D. Sheikh, Cascadia
Type spec mass (g):20.3
Type spec location:Cascadia
Main mass:Matthew Stream
Comments: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., 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
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Geography:

Algeria
Coordinates:Unknown.

Statistics:
     This is 1 of 1250 approved meteorites from Algeria (plus 29 unapproved names) (plus 4 impact craters)

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