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Northwest Africa 10024
Basic information Name: Northwest Africa 10024
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10024
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 119.9 g
Meteoritical Bulletin:  MB 104  (2015)  LL5
Recommended:  LL5    [explanation]

This is 1 of 3182 approved meteorites (plus 1 unapproved name) classified as LL5.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 2 Mar 2015
Writeup from MB 104:

Northwest Africa 10024 (NWA 10024)

(Northwest Africa)

Purchased: 2014

Classification: Ordinary chondrite (LL5)

History: A single stone weighing 119.9 g was found in Morocco in 2014. David Holden acquired the sample from a meteorite prospector in Erfoud 2014.

Physical characteristics: The stone is brown with a rounded, tabular shape. A 10 × 20 cm light-green, rounded, ellipsoidal clast is visible through the weathered fusion crust, which covers approximately 85% of the exterior. The cut face of the interior of the stone is tan and displays small, closely packed chondrules, the clast and flakes of metal surrounded by minor halos of brown oxidation.

Petrography: Description and classification (A. Love, App): Sample displays recrystallized chondritic texture composed of distinct chondrules and rounded to irregularly shaped clasts set within a crystalline matrix. Chondrules have an average diameter of 1084 μm, are defined and have turbid mesostasis. A 1.5 cm clast contains many features similar to metal-sulfide depleted, olivine microporphyries described by Jamsja and Ruzicka (2010) as a large, igneous-textured enclave (LITE).

Geochemistry: (A.Love, App) Olivine Fa30.1±0.2, N=12; Low Ca pyroxene Fs24.0±0.2Wo2.3±0.5, N=12

Classification: Ordinary chondrite (LL5, S3, W1)

Specimens: An endcut and one slice weighing 23.34 g, and a polished thin section are currently on deposit at App.

  • Jamsja N. and Ruzicka A. (2010) Shock and thermal history of Northwest Africa 4859, an annealed impact-melt breccia of LL chondrite parentage containing unusual igneous features and pentlandite. Meteorit. Planet. Sci. 45, 828-849. (link)
Data from:
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2014
Mass (g):119.9
Shock stage:S3
Weathering grade:W1
Fayalite (mol%):30.1±0.2 (N=12)
Ferrosilite (mol%):24.0±0.2 (N=12)
Wollastonite (mol%):2.3±0.5
Classifier:A. Love, App
Type spec mass (g):23.34
Type spec location:App
Main mass:David Holden
Comments:Submitted by Anthony Love
   and collections
App: Department of Geology, 572 Rivers St., Appalachian State University, Boone, NC 28608, United States (institutional address; updated 7 Mar 2013)
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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     This is 1 of 8559 approved meteorites from (Northwest Africa) (plus 1896 unapproved names)

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