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Northwest Africa 15982
Basic information Name: Northwest Africa 15982
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 15982
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 192 g
Classification
  history:
Meteoritical Bulletin:  MB 112  (2024)  L5
Recommended:  L5    [explanation]

This is 1 of 8963 approved meteorites (plus 5 unapproved names) classified as L5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 10 Jun 2023
Writeuphelp
Writeup from MB 112:

Northwest Africa 15982 (NWA 15982)

(Northwest Africa)

Purchased: 2014

Classification: Ordinary chondrite (L5)

History: Purchased by Takis Theodossiou from a meteorite dealer in Morroco in 2014.

Physical characteristics: Single stone with weathered fusion crust.

Petrography: (D. Sheikh, Cascadia) Sample is an equilibrated ordinary chondrite containing secondary recrystallized feldspar (Av. ~10 μm) and accessory Fe-Ni metal, troilite, apatite, and chromite.

Geochemistry: Olivine (Fa23.7±1.0, range Fa20.6-24.9, n=23), Low-Ca Pyroxene (Fs20.6±0.4Wo1.4±0.3, range Fs19.8-21.6Wo1.0-2.3, n=19).

Classification: Ordinary chondrite (L5).

Specimens: 25 g at Cascadia, main mass with Takis Theodossiou.

Data from:
  MB112
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2014
Mass (g):192
Pieces:1
Class:L5
Shock stage:S4
Weathering grade:W3
Fayalite (mol%):23.7±1.0
Ferrosilite (mol%):20.6±0.4
Wollastonite (mol%):1.4±0.3
Classifier:D. Sheikh, Cascadia
Type spec mass (g):25
Type spec location:Cascadia
Main mass:Takis Theodossiou
Comments:CML 1546; 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., Cartier C., Consolmagno G., Goodrich C., Greshake A., Gross J., Joy K. H., Miao B. and Zhang B. (2024) The Meteoritical Bulletin, no. 112. Meteoritics & Planetary Science 59, 1820–1823. ?
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9829 approved meteorites from (Northwest Africa) (plus 1851 unapproved names)

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