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Dhofar 622 | |||||||||||||||||||||||||
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Basic information | Name: Dhofar 622 This is an OFFICIAL meteorite name. Abbreviation: Dho 622 Observed fall: No Year found: 2001 Country: Oman Mass: ![]() | ||||||||||||||||||||||||
Classification history: |
This is 1 of 23 approved meteorites classified as H4-an. [show all] Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 87:
Dhofar 622 Oman Found 2001 January 15 Ordinary chondrite (H4, anomalous) The sample (working and find number: OM 1.01–24) was found as a single fragment of 60 g in the Dhofar region. Mineralogy and classification (A. Bischoff and A. Sokol, Mün): Although the chemical analyses of olivine (Fa18.5) and pyroxene (Fs16.8 ± 1.2) are similar to those of H-chondrites, this rock is not a typical H-chondrite, and consists of much more matrix than typical ordinary chondrites. R.N. Clayton (UChi) states that Dhofar 622 “has a lower ∆17O than any ordinary chondrite we have measured (typical H-chondrites have ∆17O = +0.7).” The oxygen isotope data are: δ18O = +5.15; δ17O = +2.92; ∆17O = +0.25‰. The meteorite is very weakly shocked (S2) and moderately to heavily weathered (W3-4). Specimens: main mass with anonymous finder; thin sections and type specimen, 12 g, Mün. | ||||||||||||||||||||||||
Data from: MB87 Table 4 Line 132: |
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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) Mün: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012) |
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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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Geography:![]() |
Statistics: This is 1 of 2167 approved meteorites from Zufar, Oman (plus 24 unapproved names) This is 1 of 4001 approved meteorites from Oman (plus 436 unapproved names) | ||||||||||||||||||||||||
Proximity search: |