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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
Meteoritical Bulletin:  MB 111  (2023)  Eucrite-melt breccia
Recommended:  Eucrite-melt breccia    [explanation]

This is 1 of 106 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 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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     Recommended::   (21° 16' 11"N, 5° 20' 18"W)

     This is 1 of 33 approved meteorites from Gao, Mali (plus 1 unapproved name)
     This is 1 of 122 approved meteorites from Mali (plus 2 unapproved names)
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