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Dhofar 311
Basic information Name: Dhofar 311
     This is an OFFICIAL meteorite name.
Abbreviation: Dho 311
Observed fall: No
Year found: 2001
Country: Oman
Mass:help 4 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 311

Oman

Found 2001 April 14

Lunar meteorite (anorthositic impact melt breccia)

A small light-grey stone weighing 4 g was found in the Dhofar region of Oman. Mineralogy and classification (S. Demidova, Vernad; L. Taylor, UTenn): fusion crust is absent; mineral fragments and rounded lithic clasts occur within a fine-grained to cryptocrystalline impact-melt matrix; the lithic clast population comprises impact-melt breccias, as well as cataclastic granulitic and igneous rocks of anorthositic and troctolitic compositions; clasts of impact-melt breccias are most abundant and typically show breccia-in-breccia textures; feldspar, An95–98; orthopyroxene, Wo2–5En45–85; clinopyroxene; Wo6–45En40–74, olivine, Fo57–88 (Fe/Mn ≈ 91 at); accessory minerals include: Cr-pleonaste, Al-chromite, troilite, and FeNi metal (3–27 wt% Ni; 0.2–1.9 wt% Co); the stone is moderately weathered; calcite, gypsum, celestite, barite, and Fe hydroxides are present. Dho 311 was found 25 m from Dho 280, but the meteorites are very different in weathering grade and lithology. Dho 311 is most similar in texture and mineral chemistry to Dho 303 found nearby. The meteorites may be paired. Pairing with Dho 302, 305, 306, 307, 309, 310, 730, and 731 is also possible. Specimens: type specimen of 1.7 g plus a thin section, Vernad; main mass with anonymous finder.

Data from:
  MB87
  Table 4
  Line 14:
Date:14 Apr 2001
Latitude:19°19.6'N
Longitude:54°47.0'E
Mass (g):4
Pieces:1
Class:Lunar
Classifier:S. Demidova, Vernad, L. Taylor, UTenn
Type spec mass (g):1.7
Institutions
   and collections
UTenn: Planetary Geosciences Institute, Department of Earth and Planetary Sciences, University of Tennessee, 1412 Circle Drive, Knoxville, TN 37996-1410, United States (institutional address; updated 1 Nov 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   
Geography:

Oman
Coordinates:
     Recommended::   (19° 19' 36"N, 54° 47' 0"E)

Statistics:
     This is 1 of 1782 approved meteorites from Zufar, Oman (plus 2 unapproved names)
     This is 1 of 3333 approved meteorites from Oman (plus 319 unapproved names)
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