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Acfer 397
Basic information Name: Acfer 397
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2001
Country: Algeria
Mass:help 105 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  CR2
Recommended:  CR2    [explanation]

This is 1 of 161 approved meteorites classified as CR2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), and CR chondrites
Comments: Approved 30 Aug 2011
Writeuphelp
Writeup from MB 100:

Acfer 397        27°30.54’N, 3°53.75’E

Tamanghasset, Algeria

Found: Oct 2001

Classification: Carbonaceous chondrite (CR2)

Petrography: Average chondrules diameter of 900 μm. There are coarse metal grains in matrix and decorating chondrule surfaces. Metal grains to 650 μm. Likely paired with Acfer 394, 395, and 396. Other CR chondrites from Acfer have been found in the same area and may also be paired with these samples.

Data from:
  MB100
  Table 1
  Line 6:
State/Prov/County:Tamanghasset
Date:Oct 2001
Latitude:27°30.54'N
Longitude:3°53.75'E
Mass (g):105
Pieces:1
Class:CR2
Shock stage:S1/2
Weathering grade:W2
Fayalite (mol%):1.6±0.9
Ferrosilite (mol%):1.2
Wollastonite (mol%):0.8
Classifier:Ellen Harju and Alan Rubin
Type spec mass (g):20
Type spec location:UCLA
Main mass:Richard Pélisson
Finder:Richard Pélisson
Comments:Submitted by Ellen Harju and Alan Rubin
Institutions
   and collections
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
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Geography:

Algeria
Coordinates:
     Recommended::   (27° 30' 32"N, 3° 53' 45"E)

Statistics:
     This is 1 of 416 approved meteorites from Tamanghasset, Algeria (plus 2 unapproved names) (plus 2 impact craters)
     This is 1 of 961 approved meteorites from Algeria (plus 26 unapproved names) (plus 4 impact craters)
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