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El Hareicha 002
Basic information Name: El Hareicha 002
     This is an OFFICIAL meteorite name.
Abbreviation: EH 002
Observed fall: No
Year found: 2021
Country: Mali
Mass:help 2.18 kg
Recommended:  Eucrite-melt breccia    [explanation]

This is 1 of 91 approved meteorites classified as Eucrite-melt breccia.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 20 Dec 2022
Writeup from MB 111:

El Hareicha 002 (EH 002)        21º16.1856’N, 5º20.301’W

Gao, Mali

Find: 2021 Dec

Classification: HED achondrite (Eucrite, melt breccia)

History: 3 samples were found in December of 2021, 11.8 km NE from the Elba Kourya well in western Mali.

Physical characteristics: Samples have a dark gray, wind-ablated exterior. The cut face shows the interior is a breccia composed of abundant white and orange clasts in a dark grey matrix.

Petrography: Description and classification (A. Love, App) Sample shows a brecciated texture composed of: up to 2mm anhedral, exsolved pyroxenes and plagioclase (spray-textured) and a single cumulate-textured lithic clast with 1-5 mm pyroxenes and plagioclase. These components occur within a vesicular glassy and quenched melt matrix. Additional minerals are: a SiO2 polymorph, chromite containing laths of ilmenite, and rare Fe metal and troilite.

Geochemistry: low Ca pyroxene (Fs35.0±0.8Wo1.8±0.4, Mg#=64.3±0.8, Fe/Mn=28.7±0.9, n=12); high Ca Pyroxene (Fs13.6±1.0Wo43.2±0.6, Fe/Mn=25.2±2.6, n=12); plagioclase (An94.7±0.9Or0.1±0.1, n=8).

Classification: HED achondrite (eucrite melt breccia) Based on mineral compositions and textures, sample is an equilibrated melt breccia composed of cumulate eucrite clasts.

Specimens: Jatri Zuber holds the main masses. A slice and several small fragments weighing 20.71 g and a polished thin section and mount are on deposit at App.

Data from:
  Table 0
  Line 0:
Date:2021 Dec
Mass (g):2175
Class:Eucrite-melt breccia
Shock stage:M-S2
Weathering grade:low
Ferrosilite (mol%):35.0±0.8; 13.6±1.0
Wollastonite (mol%):1.8±0.4; 43.2±0.6
Classifier:A. Love, App
Type spec mass (g):20.71
Type spec location:App
Main mass:Jatri Zuber Sidi
Comments:Submitted by A. 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. 111, in preparation (2022)
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     Recommended::   (21° 16' 11"N, 5° 20' 18"W)

     This is 1 of 25 approved meteorites from Gao, Mali (plus 1 unapproved name)
     This is 1 of 97 approved meteorites from Mali (plus 2 unapproved names)
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