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Dhofar 309
Basic information Name: Dhofar 309
     This is an OFFICIAL meteorite name.
Abbreviation: Dho 309
Observed fall: No
Year found: 2002
Country: Oman
Mass:help 81.3 g
Classification
  history:
Meteoritical Bulletin:  MB 87  (2003)  Lunar (anorthositic impact melt breccia)
MetBase:  v. 7.1  (2006)  Lunar (anorth)
Recommended:  Lunar (anorth)    [explanation]

This is 1 of 69 approved meteorites classified as Lunar (anorth).   [show all]
Search for other: Lunar meteorites
Writeuphelp
Writeup from MB 87:

Dhofar 309

Oman

Found 2002 January 14

Lunar meteorite (anorthositic impact melt breccia)

A grey, partly fusion-crusted 81.3 g stone was found in the Dhofar region of Oman. Classification and mineralogy (S. Demidova, Vernad; G. Kurat, NHMV): the meteorite is a clast-poor impact melt breccia; mineral fragments and lithic clasts are embedded in a matrix of devitrified glass. The clast population is dominated by granulite clasts of mainly anorthositic and troctolitic composition; fragments of possible pristine rocks and single mineral fragments are less common. Mineral compositions: plagioclase An93–98Or0.1–0.4; olivine Fo75–89 (atomic Fe/Mn ≈ 79); orthopyroxene En80–86Wo2–5; clinopyroxene En46–82Wo5–46; accessory minerals are Ti-poor chromite and Cr-pleonaste, ilmenite (4–9 wt% MgO), troilite, and FeNi metal. The composition (wt%) of the impact melt matrix is MgO 6.2, CaO 16.1, Al2O3 29.1, SiO2 44.3, FeO 3.1; terrestrial weathering is not significant, although celestite and calcite are present in cracks. Dhofar 309 is different in texture and mineral chemistry from Dhofar 081/280, 302, 303, 305, 306, 310 found nearby. However, the meteorites may be paired. Specimens: 16.5 g plus two thin sections, Vernad; main mass with anonymous finder.

Data from:
  MB87
  Table 4
  Line 12:
Date:14 Jan 2002
Latitude:19°19.6'N
Longitude:54°47.3'E
Mass (g):81.3
Pieces:1
Class:Lunar
Classifier:S. Demidova, Vernad, G. Kurat, NHMV
Type spec mass (g):16.5
Institutions
   and collections
NHMV: Naturhistorisches Museum, Burgring 7, 1010 Wien, Austria, Austria (institutional address; updated 28 Dec 2011)
Vernad: Vernadsky Institute of Geochemistry and Analytical Chemistry, Russia (institutional address; updated 5 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 87, MAPS 38, A189-A248 (2003)
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Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Norbert Classen   
Randy Korotev   
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Jay Piatek   
Geography:

Oman
Coordinates:
     Recommended::   (19° 19' 36"N, 54° 47' 18"E)

Statistics:
     This is 1 of 1830 approved meteorites from Zufar, Oman (plus 2 unapproved names)
     This is 1 of 3398 approved meteorites from Oman (plus 397 unapproved names)
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