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Erg Chech 010
Basic information Name: Erg Chech 010
     This is an OFFICIAL meteorite name.
Abbreviation: EC 010
Observed fall: No
Year found: 2021
Country: Algeria
Mass:help 6.7 kg
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 524 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 1 Oct 2022
Writeuphelp
Writeup from MB 111:

Erg Chech 010 (EC 010)        26.0575°N, 2.0788°W

Adrar, Algeria

Purchased: 2021

Classification: HED achondrite (Diogenite)

History: The meteorite was found in April, 2021, in the Erg Chech desert, Algeria and subsequently purchased by the main mass holder.

Physical characteristics: Many light brownish fragments without fusion crust.

Petrography: The meteorite displays a coarse-grained protogranular texture predominantly composed of up to 7 mm sized orthopyroxene grains. Minor phases are silica, troilite, chromite and FeNi metal. Myrmekitic intergrowths of silica and chromite are present.

Geochemistry: low-Ca pyroxene: Fs24.5±0.2Wo3.4±0.1 (Fs24.3-24.8Wo3.3-3.6, n=7, FeO/MnO=26-30)

Classification: Diogenite; likely paired with Erg Chech 001 which was found 0.2 km away.

Data from:
  MB111
  Table 0
  Line 0:
State/Prov/County:Adrar
Place of purchase:Morocco
Date:P 2021
Latitude:26.0575°N
Longitude:2.0788°W
Mass (g):6700
Pieces:many
Class:Diogenite
Shock stage:low
Weathering grade:moderate
Ferrosilite (mol%):24.5
Wollastonite (mol%):3.4
Classifier:A. Greshake, MNB
Type spec mass (g):20
Type spec location:MNB
Main mass:Said Yousfi
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
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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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Said Yousfi   
Geography:

Algeria
Coordinates:
     Recommended::   (26° 3' 27"N, 2° 4' 44"W)

Statistics:
     This is 1 of 202 approved meteorites from Adrar, Algeria (plus 1 unapproved name)
     This is 1 of 1368 approved meteorites from Algeria (plus 31 unapproved names) (plus 4 impact craters)
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