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El Hareicha 001
Basic information Name: El Hareicha 001
     This is an OFFICIAL meteorite name.
Abbreviation: EH 001
Observed fall: No
Year found: 2022
Country: Mali
Mass:help 365 g
Classification
  history:
Recommended:  Lunar (bas/gab brec)    [explanation]

This is 1 of 2 approved meteorites classified as Lunar (bas/gab brec).   [show all]
Search for other: Lunar meteorites
Comments: Approved 1 Oct 2022
Writeuphelp
Writeup from MB 111:

El Hareicha 001 (EH 001)        21°28’22.7’’ N, 06°03’38.3’’ W

Gao, Mali

Purchased: 2022 Mar

Classification: Lunar meteorite (basalt/gabbroic breccia)

History: The individual was found by meteorite hunters in northern Mali close to the border to Mauritania and subsequently purchased by the main mass holder from a Morrocan dealer.

Physical characteristics: Grayish rock without fusion crust.

Petrography: The meteorite displays a light grayish interior and is a polymict breccia predominantly composed of up to 7 mm sized basaltic and gabbroic clasts as well as mineral fragments set in a fine-grained partly shock melted matrix. Dominant minerals are olivine, esxolved pyroxene, zoned pyroxene, pigeonite, augite, and calcic plagioclase. Minor phases include ferroan pigeonite, fayalite, ilmenite, and FeS. Contains secondary barite and calcite filled veins.

Geochemistry: olivine: Fa30.4±0.4 (Fa29.7-30.7, FeO/MnO=93±8, n=7); low-Ca pyroxene host to augite exsolution lamellae: Fs50.8±0.2Wo2.5±0.1 (Fs50.5-51.1Wo2.4-2.6, FeO/MnO=65±3, n=4); augite exsolution lamellae: Fs23.4±0.2Wo40.4±0.1 (Fs23.2-23.6Wo40.2-40.5, FeO/MnO=66±3, n=4); augite: Fs9.1±0.2Wo44.0±0.5 (Fs8.8-9.3Wo43.1-44.6, FeO/MnO=32±3, n=7); subcalcic augite: Fs37.2±1.4Wo25.7±0.8 (Fs36.4-40.7Wo23.8-26.1, FeO/MnO=75±5, n=7); ferroan pigeonite: Fs84.5±2.5Wo12.9±2.1 (Fs80.0-86.7Wo10.8-16.8, FeO/MnO=88±4, n=5); zoned pyroxene: Fs36.4±11.3Wo22.1±8.4 (Fs23.9-52.8Wo5.5-28.6, FeO/MnO=75±10, n=7); calcic plagioclase: An96.2±0.5 (An95.5-97.0, n=10)

Classification: Lunar polymict breccia

Data from:
  MB111
  Table 0
  Line 0:
State/Prov/County:Gao
Place of purchase:Mali
Date:P 2022 Mar
Latitude:21°28'22.7'' N
Longitude:06°03'38.3'' W
Mass (g):365
Pieces:1
Class:Lunar (bas/gab brec)
Shock stage:moderate
Weathering grade:moderate
Fayalite (mol%):30.4
Ferrosilite (mol%):50.8; 23.4; 9.1; 37.2; 84.5; 36.4
Wollastonite (mol%):2.5; 40.4; 44.0; 25.7; 12.9; 22.1
Classifier:A. Greshake, MNB
Type spec mass (g):20
Type spec location:MNB
Main mass:Polandmet - Marcin Cimala
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Polandmet: targoniny 30 43445 Dziegielow Poland, Poland; Website (institutional address; updated 7 May 2021)
Catalogs:
References: Published in Meteoritical Bulletin, no. 111, in preparation (2022)
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Domjan Svilkovic   
Geography:

Mali
Coordinates:
     Recommended::   (21° 28' 23"N, 6° 3' 38"W)

Statistics:
     This is 1 of 18 approved meteorites from Gao, Mali (plus 1 unapproved name)
     This is 1 of 79 approved meteorites from Mali (plus 2 unapproved names)
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