 | | Report (chapter) | | exhumation of a high-pressure metamorphic terrane, Oman J. M c L . M I L L E R 1,4, R . T. G R E G O R Y...exhumation process for these rocks. High-P rocks occur as stacked fold-nappes within a less deformed upper...northeastern sector of the Saih Hatat window (Figs 1 and 2) is unique in Oman, because these sequences...undeformed autochthon. The high-pressure rocks of Saih H a t a t share many of the characteristics of A...geochronology with a new structural framework for the Saih Hatat window, and then consider the implications of |  | | Journal (article/letter/editorial) | | OPHIOLITES AND THE GEOLOGICAL STRUCTURE OF EASTERN OMAN a b N. A. Bogdanov , N. L. Dobretsov & A. L. Knipper...OPHIOLITES AND THE GEOLOGICAL STRUCTURE OF EASTERN OMAN, International Geology Review, 33:9, 858-878, DOI:...make no representations or warranties whatsoever as to the accuracy, completeness, or suitability for... OPHIOLITES AND THE GEOLOGICAL STRUCTURE OF EASTERN OMAN N. A. Bogdanov, N. L. Dobretsov, and A. L. Knipper..."Ofiolity i geologicheskoye stroyeniye Vostochnogo Oman," Izvestiya AN SSSR, Seriya geologicheskaya, 1991 |  | | Report (chapter) | | Aberdeen on February 15, 2015 Metamorphism in the Oman Mountains in relation to the Semail ophiolite emplacement...rocks associated with the Semail ophiolite in the Oman Mountains represent two different facies series... The amphibolites of the metamorphic sole formed as a result of heat transfer from the hot overthrust...metamorphosed farther away from the spreading centre as the ophiolitic slab became cooler and moved closer...and crossite epidote schists formed in the Saih Hatat window as a result of A-type subduction (crustal thickening) |  | | Report (chapter) | | accompanied by development of a major shear zone in Saih Hatat (the upper plate-lower plate discontinuity described...structure and Tertiary evolution of the mountain range. Oman ophiolite obduction clearly involves ocean-vergent...1984; Mitchell 1986) or subduction zone 'lock-up', as a result of attempted subduction of continental margins...margin. The Samail Ophiolite of the Sultanate of Oman on the Arabian Peninsula (Fig. 3) is the best-exposed...the obduction process may not be as simple as originally defined. In Oman, there is clear evidence that |  | YAMATO, P., AGARD, P., GOFFÉ, B., DE ANDRADE, V., VIDAL, O., JOLIVET, L. (2007) New, high-precision P?T estimates for Oman blueschists: implications for obduction, nappe stacking and exhumation processes. Journal of Metamorphic Geology, 25 (6) 657-682 doi:10.1111/j.1525-1314.2007.00722.x | Journal (article/letter/editorial) | | 2007.00722.x New, high-precision P–T estimates for Oman blueschists: implications for obduction, nappe stacking...de la piscine, 38041 Grenoble, France ABSTRACT Oman blueschists and eclogites lie below the obduction...the low-grade units (10 kbar, <300 C) and the As Sifah eclogites (Pmax 23 kbar; Tmax 600 C).TWEEQU...yield a high-precision P–T path for the Hulw and As Sheikh units and reveal that they shared a common...comprising the Saih Hatat window (i.e. the Ruwi-Quryat, the Hulw-As Sheikh and the Diqdah-As Sifah units). These |  | | Journal (article/letter/editorial) | | structural levels beneath the Semail ophiolite, Oman, record the subduction and later exhumation of the...rutile (79.6 ± 1.1 Ma) ages for the eclogites, as well as new U-Pb zircon ages for trondhjemites from the...Introduction The Semail Ophiolite of Oman has long been lauded as the largest, most complete and best...beneath the ophiolite, which outcrops in northern Oman. The first, patchily exposed along the length of...temperature (HP–LT) event exposed only in Saih Hatat, north-eastern Oman, affects the continental margin succession |  | Gray, David R, Hand, Martin, Mawby, Jo, Armstrong, Richard A, Miller, John McL, Gregory, Robert T (2004) Sm–Nd and Zircon U–Pb ages from garnet-bearing eclogites, NE Oman: constraints on High-P metamorphism. Earth and Planetary Science Letters, 222 (2) 407-422 doi:10.1016/j.epsl.2004.03.016 | Journal (article/letter/editorial) | | Zircon U–Pb ages from garnet-bearing eclogites, NE Oman: constraints on High-P metamorphism David R. Gray...poly-metamorphosed glaucophane-eclogite mega-boudins beneath the Samail Ophiolite, Oman record an early...early subduction-related high-P metamorphism as well as subsequent overprinting deformation and metamorphism...garnet-bearing eclogite assemblages in the As Sifah subwindow in NE Oman are 110 F 9 Ma (DG02-87D); 5-point isochron)...obducted Samail oceanic lithosphere (97 – 94 Ma) as well as the subsequent obduction onto the margin (80 |  | Jolivet, L, Goffé, B, Bousquet, R, Oberhänsli, R, Michard, A (1998) Detachments in high-pressure mountain belts, Tethyan examples. Earth and Planetary Science Letters, 160 (1) 31-47 doi:10.1016/s0012-821x(98)00079-x | Journal (article/letter/editorial) | | and the infraophiolitic units of the Saih Hatat window in the Oman Mountains, we describe the tectono-metamorphic...major shear zone, or between the shear zones in Oman, the deformation regime was more coaxial and involved...in immature mountain belts such as Crete, the eastern Alps and the Oman Mountains, and show here that they...Letters 160 (1998) 31–47 ducted ophiolite nappe in Oman [5,6]. In most cases, detachments are first recognized...The phengitic substitution of micas (expressed here as the Si4C content) growing together with carpholite |  | | Journal (article/letter/editorial) | | exhumation of blueschists and eclogites from NE Oman: new perspectives from Rb–Sr and 40Ar/39Ar dating...Department of Earth Sciences, Sultan Qaboos University, Oman, and Geology Department, Idaho State University...conclude that high-pressure metamorphism of the Oman margin took place in the Late Cretaceous, contemporaneous...words: age data; blueschists; eclogites; exhumation; Oman; subduction. INTRODUCTION Since Michard et al...metasediments and blueschists in the Saih Hatat area in NE Oman, at least 10 different tectonic models |  | | Journal (article/letter/editorial) | | 00 Eclogites and Blueschists from Northeastern Oman: Petrology and P-T Evolution by ALEY EL-DIN EL-SHAZLY...continental shelf deposits in the Saih Hatat tectonic window of northeastern Oman, where they structurally underlie...crossite-epidote schists in central and western Saih Hatat grade into blueschists and eclogites at AsSifah...this terrain formed as a result of A-type subduction and crustal thickening of the Oman continental margin...of ophiolite emplacement in the late Cretaceous, as indicated by the metamorphism of the thrust sheets |  | | Journal (article/letter/editorial) | | almandine: constraints on the metamorphic history of the Oman mountains Anke S. Wendt a,b Philippe D'Arco a, Bruno...observed in metapelite samples from the southeastern Saih Hatat tectonic window, northeastern O m a n Mountains...Mountains. These almandines show an inclusion-rich (glaucophane + epidote) and strongly deformed core with inclusions...quartz, apatite, zircon, rutile and Ba-AI phosphates as inclusions. Quartz and apatite inclusions in the...for the peak conditions for these rocks of the Saih Hatat tectonic window. On the basis of these P-T data |  | | Book | | GeoGuide Mike Searle Geology of the Oman Mountains, Eastern Arabia GeoGuide Series Editors Wolfgang...springer.com/series/11638 Mike Searle Geology of the Oman Mountains, Eastern Arabia 123 Mike Searle Department...grateful thanks for the wonderful life we had in Oman in the early days. It is also dedicated to all those...and geologists, both local Omanis and Emiratis as well as foreigners, who are working towards the preservation...this amazing and wonderful country. Foreword Oman and the UAE possess several geological wonders that |  | | Journal (article/letter/editorial) | | deeply subducted metasediment from As Sifah, northeastern coast of Oman Hans-Joachim Massonne a,⁎, Joachim...of Earth Sciences, Sultan Qaboos University, Muscat, Oman a r t i c l e i n f o Article history: Received...metamorphism Oman Metasediment P-T pseudosection a b s t r a c t Near the coastal village of As Sifah, NE Oman...Oman, eclogite-facies rocks occur in the Saih Hatat window. We investigated a metapelite from this area...Gro17Alm66Pyr6Spe11, Gro22Alm72.5Pyr5Spe0.5, and Gro25Alm65Pyr8Spe2 as inner core, mantle and outermost rim compositions |  | | Report (chapter) | | UK (e-mail: mikes@earth.ox.ac.uk) Abstract: The Oman Mountains contain a number of unique and very special...Heritage importance. Large-scale developments in Oman and UAE have already affected some of these sites...paper outlines the geological importance of 50 sites as National GeoParks and Sites of Special Scientific...Scientific Interest (SSSI). Three geological sites in Oman are so unique and so special that they warrant World... Other world-class sites include the Sifah eclogites, the Oman Exotics, Majlis al-Jinn, sites of ‘Snowball |  | | Journal (article/letter/editorial) | | sodic amphibole-bearing metabasites from north-east Oman ALEY EL-DIN K . EL-SHAZLY* Department of Mineral...section underlying the Semail ophiolite in Saih Hatat, north-east Oman. The pre-Permian basement of this section...empirically and experimentally based thermobarometers as well as petrogenetic grids calculated for a model basaltic...metamorphic grade in central, western and northern Saih Hatat are consistent with the hypothesis relating metamorphism...eclogites exposed along the eastern coast of Saih Hatat which may have formed at an earlier stage in |  | | Report (chapter) | | evolution of pre-Permian rocks, Central and Southeastern Oman Mountains A. Mann and S. S. Hanna Geological Society...evolution of pre-Permian rocks, Central and Southeastern Oman Mountains A . M A N N 1 & S. S. H A N N A 2 Earth...Qaboos University, P.O. Box 32486, Sultanate of Oman Abstract: The structural history of pre-Permian...Jebei Akhdar, Jebel Nakhl and Saih Hatat, central and southeastern Oman mountains, is dominated by Late...deformation. The complex internal structure of Saih Hatat is attributed to overprinting of possible Proterozoroic |  | | Journal (article/letter/editorial) | | from NE Oman Aley El-Din K. El-Shazly ) Department of Earth Sciences, Sultan Qaboos UniÕersity, Oman Received...rocks of the structurally deepest regions of Saih Hatat, NE Oman exhibit an eastward increase in metamorphic...epidote blueschist facies conditions in central Saih Hatat to eclogitic conditions along the eastern coast...Keywords: Eclogites; Blueschists; Thermobarometry; Oman AbbreÕiations: Ab: albite; Ac: aegirine Žacmite...ferrochloritoid; Fgln: ferroglaucophane; Gln: glaucophane; Gr: grossular; Gt: garnet; Hm: hematite; Jd: |  | | Journal (article/letter/editorial) | | Retrograde evolution of eclogite facies rocks from NE Oman: evidence from fluid inclusions and petrological...Qaboos UniÕersity, P.O. Box 36, Al-Khod PC 123, Oman b Department of Geology and Geophysics, Rice UniÕersity... Abstract Eclogite facies rocks from eastern Saih Hatat ŽOman., metamorphosed under peak conditions of...most inclusions range from y4 to 08C, but values as low as y138C have been recorded, indicating salinities...of rutile q calcite by titanite or rutile q glaucophane by ilmeniteq albite in these eclogites are also |  | | Journal (article/letter/editorial) | | 40Ar/39Ar laserprobe ages: an example from Saih Hatat, NE Oman C. J. Warren • S. C. Sherlock • S. P. Kelley...laserprobe phengite data from the Saih Hatat high-pressure terrane in NE Oman show that individual samples...grain- and sample-scale age variations measured in Saih Hatat indicate that the grain boundary network in eclogite...boundary network in the surrounding pelites acted as a more efficient pathway on the timescale of the...metamorphism Eclogite Oman Introduction The ubiquity of potassium-bearing micas such as muscovite and phengite |  | | Journal (article/letter/editorial) | | of Fe-Mg-carpholite-bearing metasediments from NE Oman ALEY EL-DIN K. EL-SHAZLY* Department of Earth Sciences...structurally underlie the Semail ophiolite in NE Oman. In the lower grade, structurally higher units,...formation of the Fe-Mgcarpholite-bearing rocks of NE Oman range from 280-315" C, 3-6 kbar for the structurally...Key words: carpholite; low-grade metamorphism; NE Oman. Abbreviations Ank, ankerite; Ap, apatite; Arag...recently reported from various parts of the Saih Hatat window in NE Oman (Michard et al., 1982; Le MCtour et |  | | Journal (article/letter/editorial) | | mapping of mineral resources of the Sultanate of Oman ⁎ Sankaran Rajendrana, , Sobhi Nasirb a b Department... 123 Muscat, Oman Earth Science Research Centre, Sultan Qaboos University, Al-khod, 123 Muscat, Oman...processing Mineral resources Arid region Sultanate of Oman Advanced Space borne Thermal Emission and Reflection...the economic mineral resources of the Sultanate of Oman using ASTER and simples image processing methods...V. All rights reserved. Please cite this article as: Sankaran, R., Ore Geology Reviews (2018), https://doi |  | | Journal (article/letter/editorial) | | 9 Springer-Verlag1991 Glaucophane chloritoid-bearing assemblages from NE Oman: petrologic significance...interbeddcd with blueschists and eclogites in Saih Hatat, NE Oman contain chloritoid- and sodic amphibole-bearing...mineral chemical relations suggest that coexisting glaucophane (Gln) and chloritoid (Ctd) formed at the expense...the P - T estimates for high P metapelites from Oman, New Caledonia, Seward Peninsula, Ile de Groix,...observed textural relations in the metapelites of Oman, and is consistent with the "clockwise" P - T path |  | | Journal (article/letter/editorial) | | Eclogites, Blueschists and Epidote Amphibolites from NE Oman: a Record of Protolith Compositional Control and...QABOOS UNIVERSITY, P.O. BOX 36, AL-KHOD PC 123, OMAN 2 DEPARTMENT OF GEOLOGICAL SCIENCES, SOUTHERN...mica schists in NE Oman. These rocks constitute part of the continental margin of Oman subducted during...dolomite; Ep, epidote; Fe-Ox, Fe-oxides; Gln, glaucophane; Gross, grossularite; Gt, garnet; Hm, haematite;...and/or greenschists are common in several areas such as Cazadero, California (e.g. Oh et al., 1991), the |  | | Journal (article/letter/editorial) | | significance after the advent of plate tectonics as marking the location of former subduction zones....work (Maruyama et al 1 986) has confirmed that glaucophane is stable only at high pressures of above 7 kbar...in metabasites is generally of crossite and glaucophane composition (cf. Leake 1 978), and jadeite does...amphi boles in the metabasic rocks are regarded as transitional between the blueschist and greenschist...ocean, the Tethys. The Alpine-Himalayan orogen arose as a result of the continen tal collisi on s leading |  | | Report (chapter) | | of Western Ontario on June 10, 2015 The northern Oman Tethyan continental margin: stratigraphy, structure...University, Leicester LE1 7RH, UK Abstract: The Oman Mountains constitute one of the best areas in which...Thin-skinned thrust tectonics dominate the entire northern Oman continental margin, with late-stage deeper level...Peninsula in the north, and the Jebel Akhdar and Saih Hatat windows further south. During the Early Tertiary...a relatively stable platform was restored in the Oman Mountains area. Renewed compression during the mid-Tertiary |
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