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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:
Recommended:  Diogenite    [explanation]

This is 1 of 505 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 Meteoritical Bulletin, no. 111, in preparation (2022)
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Geography:

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

Statistics:
     This is 1 of 180 approved meteorites from Adrar, Algeria (plus 1 unapproved name)
     This is 1 of 1236 approved meteorites from Algeria (plus 29 unapproved names) (plus 4 impact craters)
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