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Dhofar 1672
Basic information Name: Dhofar 1672
     This is an OFFICIAL meteorite name.
Abbreviation: Dho 1672
Observed fall: No
Year found: 2011
Country: Oman
Mass:help 7.5 g
Meteoritical Bulletin:  MB 101  (2012)  L4
Recommended:  L4    [explanation]

This is 1 of 1715 approved meteorites (plus 4 unapproved names) classified as L4.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 15 Sep 2012
Writeup from MB 101:

Dhofar 1672 (Dho 1672)        18°43’56.8"N, 54°22’45.7"E

Zufar, Oman

Found: January 2011

Classification: Ordinary chondrite (L4)

Petrography: (P. Strickland, UAb) Approximately 80 vol% chondrules, 15 vol% matrix, and <5 vol% metals/opaques. Chondrules have an average diameter of 1 mm and display porphyritic and some radial pyroxene textures. Most chondrules are readily delineated with the exception of a few well-defined radial pyroxenes. Most of the chondrule glass is absent due to the presence of secondary feldspars <45 μm, however there are still minor amounts of devitrified glass present. Matrix is recrystallized, transparent, and relatively coarse. Olivine and pyroxene grains contain irregular fractures, planar fractures, undulatory extinction, and some melt pockets consisting of multiple FeNi droplets <10 μm. Strongly mosaic olivine is also present. Plagioclase has mostly undergone transition to maskelynite (S5). Dominant rusty staining and abundant oxide veinlets indicate moderate weathering (W3).

Geochemistry: (C. Herd and P. Strickland, UAb) Olivine Fa24.9±1.1 (n=37); Low-Ca pyroxene Fs22.2±1.9Wo2.2±1.6 (n=46); Augite Fs13.9±4.9Wo33.9±12.0 (n=11).

Classification: Ordinary chondrite (L4). Classified based on average and standard deviation of Fa and Fs content in olivine and low-Ca pyroxene, respectively.

Specimens: 3.3 g type specimen, including polished thin section, are on deposit at UAb. Remainder at SQU.

Data from:
  Table 0
  Line 0:
Date:Jan 2011
Mass (g):7.49
Shock stage:S5
Weathering grade:W3
Fayalite (mol%):24.9±1.1 (n=37)
Ferrosilite (mol%):22.2±1.9 (n=46)
Wollastonite (mol%):2.2±1.6
Classifier:C. Herd and P. Strickland, UAb
Type spec mass (g):3.3
Type spec location:UAb
Main mass:SQU
Comments:Field number O-67; submitted by C. Herd
   and collections
UAb: 1-26 Earth Sciences Building, University of Alberta, Edmonton, AB, T6G 2E3, Canada, Canada; Website (institutional address; updated 17 Oct 2011)
SQU: Sultan Qaboos University, College of Science, Earth Sciences Department, P.O. Box 36 Code 123 Al­Khoud, Oman (institutional address; updated 5 Oct 2014)
References: Published in Meteoritical Bulletin, no. 101, MAPS 50, 1661, September 2015
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     Recommended::   (18° 43' 57"N, 54° 22' 46"E)

     This is 1 of 2151 approved meteorites from Zufar, Oman (plus 4 unapproved names)
     This is 1 of 3983 approved meteorites from Oman (plus 374 unapproved names)
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