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Northwest Africa 14112
Basic information Name: Northwest Africa 14112
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14112
Observed fall: No
Year found: 2021
Country: Algeria
Mass:help 3.4 kg
Recommended:  Eucrite-melt breccia    [explanation]

This is 1 of 76 approved meteorites classified as Eucrite-melt breccia.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 31 Aug 2021
Writeup from MB 110:

Northwest Africa 14112 (NWA 14112)

Tindouf, Algeria

Purchased: 2021

Classification: HED achondrite (Eucrite, melt breccia)

History: (C. Muñecas, Expometeoritos) One piece weighing 3400 g was found near Tindouf, Algeria. Carlos Muñecas purchased the sample from a dealer in Tindouf.

Physical characteristics: Sample has a dark-brown, wind-ablated exterior and has an irregular shape. Clasts and vesicular melt veins are visible on the surface. The cut face shows the interior has a brecciated texture composed of dark and light-colored mineral clasts rimmed crosscut with dark-colored melt.

Petrography: Description and classification (A. Love, App) Sample is a breccia dominated by subophitic-textured clasts composed of exsolved pyroxenes and plagioclase. Sample is crosscut by vesicular shock melt veins containing clasts of pyroxene and plagioclase. Some pyroxenes have undergone recrystallization into finer-grained mosaics. Some plagioclase shows spherulitic texture and when in proximity to melt veins shows partial conversion to maskelynite. Additional minerals are: Ti-poor chromite, merrillite, ilmenite, secondary calcite, a Si polymorph.

Geochemistry: (A. Love, App) Low-Ca pyroxene (Fs59.7±1.1Wo3.3±0.9, Mg#=38.2±0.7, Fe/Mn=27.8±0.9, n=12); high Ca pyroxene (Fs26.0±0.8Wo44.1±1.0, Fe/Mn=28.1±0.8, n=12); plagioclase (An91.8±2.5Or0.6±0.1, n=12).

Classification: HED achondrite (eucrite melt breccia). Based on textures, mineral compositions, magnetic susceptibility, sample is a basaltic eucrite melt breccia.

Specimens: Carlos Muñecas (Expometeoritos) holds the main mass. A polished thin section and a 28.57 g endcut are on deposit at App.

Data from:
  Table 0
  Line 0:
Place of purchase:Tindouf
Date:P 2021
Mass (g):3400
Class:Eucrite-melt breccia
Shock stage:M-S3
Weathering grade:low
Ferrosilite (mol%):59.7±1.1; 26.0±0.8
Wollastonite (mol%):3.3±0.9; 44.1±1.0
Magnetic suscept.:2.76
Classifier:A. Love, App
Type spec mass (g):28.57
Type spec location:App
Main mass:Carlos Muñecas (Expometeoritos)
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 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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Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Antonello Petriccione   


     This is 1 of 51 approved meteorites from Tindouf, Algeria (plus 1 impact crater)
     This is 1 of 1277 approved meteorites from Algeria (plus 29 unapproved names) (plus 4 impact craters)

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