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| petrogenesis of leucogranitic dykes intruding the northern Semail ophiolite, United Arab Emirates: ®eld relationships...Abstract The Khawr Fakkan block of the Semail ophiolite (United Arab Emirates) exhibits a suite of 10± 100...that the subduction of continental sedimentary material beneath the hot proto-ophiolite in an intra-oceanic...the generation of granitic melts which were emplaced up to the level of the ophiolite Moho. Compositions...that crystallised at variable aH2 O and pressures of 3 to 5 kbar. The LILE (Sr, Rb and Ba) covariation |
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| metamorphic rocks associated with the Semail Ophiolite (United Arab Emirates) Edwin Gnos* and Daniel Kurz M...imbricated with the Cretaceous Semail Ophiolite in the United Arab Emirates and Oman. Peak metamorphic assemblages...assemblages in highly oxidized lithologies of these rocks include sapphirine (7 : 9 : 3)-hercynitic ...assemblages in quartzitic rocks are an example of overlapping stability of sapphirine-quartz and spinel-quartz and...types of sapphirine occur within the stability field of Mgrich cordierite. The common association of sapphirine |
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| Geology of the Oman Mountains, Eastern Arabia GeoGuide Series Editors Wolfgang Eder, University of Munich...Munich, Germany Peter T. Bobrowsky, Geological Survey of Canada, Natural Resources Canada, Sidney, BC, Canada...type short monographs focussed on areas and regions of geo-morphological and geological importance including...environmental context of the region followed by in depth and colourful descriptions of each Geosite and its...to allow these beautiful and fascinating regions of the world to be fully enjoyed. More information |
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| peridotites of the Semail Ophiolite, Sultanate of Oman and were metamorphosed during ophiolite obduction...data, collected on an inclusion-free kinoshitalite of Ba 0.99K 0.06Na0.01 (Mg2.64Mn0.31Al2.01Si2.03)O10(OH1...37Cl0.02) composition, yielded a C-centered lattice of monoclinic symmetry with a = 5.316(1), b = 9.230(2)...100.06(1)°, V = 492.6 Å3 , and Z = 1 characteristic of the 1 M polytype. The structure was refined in two...data clearly suggest that in spite of the Si/Al ratio of 1 assumption of complete Si, Al ordering can be |
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| Springer-Verlag1993 K-Ar ages of the metamorphic sole of the Semail Ophiolite: implications for ophiolite cooling history...squeezed into the mantle sequence of the Semail Ophiolite. The hornblende ages of 99 + 0.5 and 102 • 0.8 Ma and...and the 90 Ma ages of coexisting micas from the high-grade metamorphic portion of the sequence are interpreted...interpreted as cooling stages following the peak of metamorphism ( T 800-850 ~ C, P 6.5-9 kbar). The new...new pressure estimates are based on findings of kyanite in garnet-amphibolite and cordierite in quartzitic |
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| ("1 1 " [ t ~ f .' -" -" r.t l· ,r' '~ t' E of. <. <. ,<..- - C. r,~'E'i ~nl (\-'f ~ \-t'~...Minister of Petroleum and Minerals The Speech of H.E. Said Bin Ahmed Al Shanfari, Minister of Petroleum...Petroleum and Minerals, Patron of the Symposium Your Royal Highness Sayed Fahad Bin Mahmoud al Said, Your...Your Royal Highness Members of the Honourable Royal Family, Your Excellencies Ministers, Your Excellencies...which has been made possible through the directives of H.M. Sultan Qaboos Bin Said to encourage research |
