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El Atchane 018
Basic information Name: El Atchane 018
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2020
Country: Algeria
Mass:help 3.64 kg
Classification
  history:
Recommended:  CV3    [explanation]

This is 1 of 557 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 21 Feb 2021
Writeuphelp
Writeup from MB 110:

El Atchane 018        30°06’59.8"N, 4°25’31.5"E

Ouargla, Algeria

Find: 2018 March

Classification: Carbonaceous chondrite (CV3)

Petrography: The chondrite with large chondrules (~1 mm), AOAs, and CAIs set in abundant fine-grained Fe-rich matrix. Main silicates include olivine, low-Ca, and Ca-pyroxene. Opaque areas are basically made of terrestrial alteration products.

Geochemistry: Most olivine in chondrules and in AOAs is Fo-rich. The average composition of olivines is Fa6.1±11.2 (range: 0-57; N=27). Mean low-Ca pyroxene is Fs1.6±0.6 (range 0-4; n=24).

Classification: Carbonaceous chondrite (CV3)

Data from:
  MB110
  Table 0
  Line 0:
State/Prov/County:Ouargla
Origin or pseudonym:Desert
Place of purchase:Mauritania
Date:2018 March
Latitude:30°06'59.8"N
Longitude:4°25'31.5"E
Mass (g):3640.0
Pieces:4
Class:CV3
Shock stage:S2
Weathering grade:strong
Fayalite (mol%):6.1±11.2 (n=27)
Ferrosilite (mol%):1.6±0.6 (n=24)
Wollastonite (mol%):1.4±1.1 (n=24)
Classifier:K. Klemm, A. Bischoff, IfP
Type spec mass (g):24.8
Type spec location:IfP
Main mass:Decker Meteorite Museum
Finder:anonymous
Comments:Working No.: DE-2020/17; submitted by Klemm K.
Institutions
   and collections
IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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Geography:

Algeria
Coordinates:
     Recommended::   (30° 7' 0"N, 4° 25' 32"E)

Statistics:
     This is 1 of 31 approved meteorites from Ouargla, Algeria
     This is 1 of 1113 approved meteorites from Algeria (plus 27 unapproved names) (plus 4 impact craters)
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