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Northwest Africa 15376
Basic information Name: Northwest Africa 15376
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 15376
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass:help 14 kg
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  LL3-6
Recommended:  LL3-6    [explanation]

This is 1 of 37 approved meteorites classified as LL3-6.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 12 Nov 2022
Writeuphelp
Writeup from MB 111:

Northwest Africa 15376 (NWA 15376)

(Northwest Africa)

Purchased: 2021

Classification: Ordinary chondrite (LL3-6)

History: Purchased by Mark Lyon from a meteorite dealer in Algeria in 2021.

Physical characteristics: Single stone with minor fusion crust.

Petrography: (D. Sheikh, Cascadia) Sample is a genomict breccia comprised of mm to cm-sized sub-angular clasts, and few chondrules, set within a fine-grained matrix containing melt-rich regions. Some clast lithologies are equilibrated and contain secondary recrystallized feldspar (Av. ~60 μm), other clast lithologies are unequilibrated and contain devitrified glass. Accessory phases include Fe-Ni metal, troilite, and chromite.

Geochemistry: Equilibrated lithologies [Olivine (Fa30.0±0.7, range Fa29.3-31.5, n=17), Low-Ca Pyroxene (Fs24.3±0.7Wo2.0±0.6, range Fs22.5-25.7Wo1.5-3.9, n=15)]; Unequilibrated lithologies [Olivine (Fa28.6±1.6, range Fa27.1-30.9, n=7), Low-Ca Pyroxene (Fs21.6±2.5Wo1.8±1.0, range Fs17.8-25.2Wo0.6-3.7, n=10)].

Classification: Ordinary Chondrite (LL3-6).

Specimens: 33.9 g at Cascadia, main mass with Mark Lyon.

Data from:
  MB111
  Table 0
  Line 0:
Place of purchase:Algeria
Date:P 2021
Mass (g):14000
Pieces:1
Class:LL3-6
Shock stage:S3
Weathering grade:W2
Fayalite (mol%):30.0±0.7, 28.6±1.6
Ferrosilite (mol%):24.3±0.7, 21.6±2.5
Wollastonite (mol%):2.0±0.6, 1.8±1.0
Classifier:D. Sheikh, Cascadia
Type spec mass (g):33.9
Type spec location:Cascadia
Main mass:Mark Lyon
Comments:CML 1606; 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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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Domjan Svilkovic   
Ryan Upchurch   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names)
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Revision
  history:
  This lists important revisions made to data for this record.

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