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Dar al Gani 083
Basic information Name: Dar al Gani 083
     This is an OFFICIAL meteorite name.
Abbreviation: DaG 083
Observed fall: No
Year found: 1995
Country: Libya
Mass:help 622 g
Classification
  history:
Meteoritical Bulletin:  MB 81  (1997)  CO3
NHM Catalogue:  5th Edition  (2000)  CO3
MetBase:  v. 7.1  (2006)  CO3
Recommended:  CO3.1    [explanation]

This is 1 of 14 approved meteorites classified as CO3.1.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Revised 22 Jul 2020: added subtype
Writeuphelp
Writeup from MB 109:

Dar al Gani 083 (DaG 083), subclassification

Geochemistry: Mineral composition and geochemistry: (S. Ebert, IfP) Olivine in the range Fa0.2-61.1 (mean Fa12.4±15.1, PMD=122%, N=113). Cr2O3 in ferroan olivine 0.19±0.10 wt.% (N=68). Low-Ca pyroxene Fs1.9±1.8Wo1.3±1.0 (N=51).

Classification: (S. Ebert, IfP) Carbonacous chondrite - CO3.1; Subtype from Cr2O3 content of ferroan olivine (Grossman and Brearley, 2005) and the very high olivine PMD.

Bibliography:
  • Grossman J.N. and Brearley A.J. (2005) The onset of metamorphism in ordinary and carbonaceous chondrites. Meteorit. Planet. Sci. 40, 87-122. (link)
Data from:
  MB81
  Table 3
  Line 110:
Latitude:27°09.58'N
Longitude:15°57.77'E
Mass (g):622
Pieces:2
Class:CO3
Shock stage:S2
Weathering grade:W3
Fayalite (mol%):17.3 (0.1-65)
Ferrosilite (mol%):2.5 (0.6-14)
Classifier:D. Weber and A. Bischoff, Mün
Type spec location:Mün
Main mass:anonymous finder or at MNB
Institutions
   and collections
IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012)
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Mün: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012)
Catalogs:
Search for specimens in the Smithsonian Institution collection (U.S.):   
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References: Published in Meteoritical Bulletin, no. 81, MAPS 32, A159-A166 (1997)
Published in Meteoritical Bulletin, no. 109, in preparation (2020)
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Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Don Edwards   
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
David Hardy   
Geography:

Libya
Coordinates:
     Catalogue of Meteorites:   (27° 9' 35"N, 15° 57' 46"E)
     Recommended::   (27° 9' 35"N, 15° 57' 46"E)
Note: the NHM and MetBase coordinates are 7.4 m apart

Statistics:
     This is 1 of 1046 approved meteorites from Al Jufrah, Libya
     This is 1 of 1502 approved meteorites from Libya (plus 22 unapproved names) (plus 2 impact craters)
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