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| Dhofar 735 | |||||||||||||||||
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| Basic information | Name: Dhofar 735 This is an OFFICIAL meteorite name. Abbreviation: Dho 735 Observed fall: No Year found: 2002 Country: Oman Mass:  381 g | ||||||||||||||||
| Classification history: |
This is 1 of 636 approved meteorites classified as CM2. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites | ||||||||||||||||
| Comments: | Revised 31 Jul 2009: Corrected error in mass | ||||||||||||||||
| Writeup |
Writeup from MB 87:
Dhofar 735 Oman Found 2002 November 9 Carbonaceous chondrite (CM2) Two stones weighing 304 g and 77 g were found on November 2002 in the Dhofar region of Oman. Mineralogy and classification (M. Ivanova, Vernad; L. Taylor, UTenn): fusion crust is present, the meteorite consists of altered chondrules, sometimes with a halo around, olivine aggregates, and fragments of matrix material set within a phyllosilicate matrix. Olivine, Fa0.3–22, CaO 0.35 wt%, Cr2O3 0.28 wt%. No orthopyroxene is present. Refractory inclusions are rare and consist of anorthite, Al-rich pyroxene and forsterite. The minor phases are kamacite, taenite, and tetrataenite (Ni, up to 60 wt%), troilite, rare pentlandite, chromite, Mg-ilmenite, schreibersite, and Ca-carbonates. The matrix is composed mainly of serpentine. Tochilinite was not found. Weathering grade is W1. Oxygen isotope composition is in the range of metamorphosed CM chondrites (R. N. Clayton, UChi): δ18O = +21.99‰; δ17O = +10.85‰; ∆17O = –0.58‰. Specimens: a type specimen of 58.8 g and a thin section, Vernad; main mass with anonymous finder. | ||||||||||||||||
| Data from: MB87 Table 4 Line 170: |
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| Plots: | O isotopes: | ||||||||||||||||
| Institutions and collections |
UChi: University of Chicago, Chicago, IL 60637, United States (institutional address; updated 28 Feb 2011) 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 21 Feb 2016) |
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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, no. 87, MAPS 38, A189-A248 (2003)
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| Photos: |
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Geography:
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Statistics: This is 1 of 2167 approved meteorites from Zufar, Oman (plus 26 unapproved names) This is 1 of 3998 approved meteorites from Oman (plus 441 unapproved names) | ||||||||||||||||
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| Revision history: |
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