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Erg Chech 006
Basic information Name: Erg Chech 006
     This is an OFFICIAL meteorite name.
Abbreviation: EC 006
Observed fall: No
Year found: 2022
Country: Algeria
Mass:help 400 g
Classification
  history:
Meteoritical Bulletin:  MB 111  (2023)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 522 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 19 Mar 2022
Writeuphelp
Writeup from MB 111:

Erg Chech 006 (EC 006)        26.0555°N, 2.0797°W

Adrar, Algeria

Purchased: 2022

Classification: HED achondrite (Diogenite)

History: The meteorite was found in the Adrar region, Algeria, close to the find location of Erg Chech 001 and purchased by the main mass holders from a meteorite dealer in Morocco.

Physical characteristics: One 272 g piece and several small brownish fragments some partly covered with fusion crust.

Petrography: The meteorite appears unbrecciated and shows a coarse-grained protogranular texture up to 2 mm sized orthopyroxene crystals with minor chromite, troilite, and rare kamacite.

Geochemistry: low-Ca pyroxene: Fs23.0±0.3Wo2.2±0.1 (Fs22.4-23.4Wo2.2-2.3, FeO/MnO=25-31, n=6)

Classification: Diogenite; likely paired with Erg Chech 001.

Data from:
  MB111
  Table 0
  Line 0:
State/Prov/County:Adrar
Place of purchase:Morocco
Date:P 2022
Latitude:26.0555°N
Longitude:2.0797°W
Mass (g):400
Pieces:several
Class:Diogenite
Shock stage:low
Weathering grade:moderate
Ferrosilite (mol%):23.0
Wollastonite (mol%):2.2
Classifier:A. Greshake, MNB
Type spec mass (g):20
Type spec location:MNB
Main mass:Philippe Schmitt-Kopplin and Klaus-Peter Martinek
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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Geography:

Algeria
Coordinates:
     Recommended::   (26° 3' 20"N, 2° 4' 47"W)

Statistics:
     This is 1 of 200 approved meteorites from Adrar, Algeria (plus 1 unapproved name)
     This is 1 of 1344 approved meteorites from Algeria (plus 30 unapproved names) (plus 4 impact craters)
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