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Sahtan Group

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Series: GCSSEPM
Published: 01 December 2012
DOI: 10.5724/gcs.12.32.0534
EISBN: 978-0-9836097-8-0
... Cretaceous Aruma Group carbonates ( Fig. 2 ). Potential source rocks include the basal Hadhramaut Group shales, intra-Aruma Group shales, organic-rich units in the basinal Jurassic Sahtan Group, and the Infracambrian middle to upper Huqf Super Group. Sealing units for potential traps are provided...
Journal Article
Published: 01 March 2005
Journal of the Geological Society (2005) 162 (2): 349-362.
...Mathieu Rousseau; Gilles Dromart; Jean-Pierre Garcia; Francois Atrops; François Guillocheau Abstract The Jurassic Sahtan Group exposed in northern Oman was deposited in shallow marine environments at the edge of the Arabian Platform facing the Neo-Tethys (Hamrat Duru Basin). The upper Sahtan Group...
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Image
<b>Sahtan</b> <b>Group</b> facies associated with typical depositional sequences (symbols...
Published: 01 March 2005
Fig. 4.  Sahtan Group facies associated with typical depositional sequences (symbols as in Fig. 3 ). 1, outcrop of dark mudstone containing whole corals, Coral facies, wadi Bani Kharus. 2, thin-section photomicrograph of oolitic grainstone, Oolite facies, wadi Bani Kharus. 3, outcrop of oolitic
Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 July 2012
GeoArabia (2012) 17 (3): 85-128.
... position along a flat epeiric carbonate ramp, two different types of cycle sets are distinguished: (a) Marsh to Low-energy Backshoal Cycle Set and (b) Low-energy Backshoal to Shoal Cycle Set. (3) Sequences: The Upper Mahil Member in Wadi Sahtan consists of 40 cycle sets, which may be grouped into 9...
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Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 July 2015
GeoArabia (2015) 20 (3): 17-94.
... with the overlying Dhruma Formation, it is part of the Sahtan Group. This study provides: (1) a detailed facies analysis based on sedimentological logging of 12 outcrops. Twenty-four facies types were established and grouped into five facies associations, which can also be recognized in subsurface core intervals; (2...
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Journal Article
Published: 01 March 2012
Journal of Sedimentary Research (2012) 82 (3): 177-195.
... and fluctuating climate on dedolomitization. Petrographic, mineralogical, and geochemical data from both altered and pristine dolomite hosted in Jurassic carbonate rocks from the Sahtan Group and outcropping at Wadi Mistal in the Jebel Akhdar tectonic window reveal two dolomite bodies with different...
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Journal Article
Journal: AAPG Bulletin
Published: 01 February 1993
AAPG Bulletin (1993) 77 (2): 225-244.
... package of limestone, dolostone, and anhydrite cycles capped in the subsurface by a regionally widespread anhydrite unit and important reservoir seal called the Hith Formation (e.g., Wood and Wolfe, 1969 ; Alsharhan and Kendall, 1986 ). Much of the equivalent Jurassic section, the Sahtan Group, has been...
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Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 October 2013
GeoArabia (2013) 18 (4): 17-44.
... sequences KS6 to KS1, from base to top). The main focus of this study is the description of the internal anatomy of the shoal grainstone bodies in the lower part of Sequence KS4 (“lower KS4”). High-resolution sedimentological logging of three outcrop sections in wadis Sahtan, Bani Awf and Mistal yielded...
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Series: Special Publications
Publisher: SEPM (Society for Sedimentary Geology)
Published: 01 January 2017
DOI: 10.2110/sepmsp.109.04
EISBN: 9781565763531
... Cretaceous Outcrop N/A Shah et al. (2010 , 2012 ) Middle East Iran Sarvak Early to Late Cretaceous Early to Late Cretaceous Outcrop N/A Lapponi et al. (2011) , Sharp et al. (2010) Oman Khuafi Ediacaran pre-Permian Outcrop N/A Vandeginste et al. (2014) Oman Sahtan Group...
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Series: Geological Society, London, Memoirs
Published: 01 January 2011
DOI: 10.1144/M36.20
EISBN: 9781862394117
... Abstract The Abu Mahara Group ( c. 725–<645 Ma) of the Huqf Supergroup in the Jabal Akhdar of northern Oman hosts two glacial successions in the Ghubrah and Fiq formations, separated by the <50-m-thick volcanogenic Saqlah Member. The >400-m-thick Ghubrah Formation is dominated...
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Series: Geological Society, London, Special Publications
Published: 01 January 2009
DOI: 10.1144/SP326.6
EISBN: 9781862395749
... ). The Huqf Supergroup contains several clastic and carbonate source rocks of exceptional quality, and these sourced the primary petroleum systems that produce hydrocarbons throughout Oman. The latest Neoproterozoic–earliest Cambrian Ara Group is a carbonate- and evaporate-dominated sequence containing salt...
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Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 April 2012
GeoArabia (2012) 17 (2): 121-150.
...– Coniacian. The Mesozoic continental slope sediments of the Sumeini Group had already been largely over-ridden by the more distal thrust sheets when the Hawasina sole thrust propagated into those sediments. This detached a Sumeini Group thrust sheet, which was transported westward for at least 7 km, carrying...
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Journal Article
Published: 01 September 2007
Journal of the Geological Society (2007) 164 (5): 997-1009.
... documented, but their correlation with a key succession in the Mirbat area of southern Oman, containing a sedimentary record of two Neoproterozoic glaciations, is poorly understood. Integration of lithostratigraphic, chemostratigraphic and new U–Pb detrital zircon data suggests that the Mirbat Group is best...
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Image
Coral facies and top of Oolite facies in wadi Nakhr section with sequence a...
Published: 01 March 2005
Fig. 7.  Coral facies and top of Oolite facies in wadi Nakhr section with sequence analysis. 1, view of wall of wadi Nakhr, showing the upper part of the Sahtan Group and sharp contact with the overlying Rayda Formation. 2, thin-section photomicrograph of small Pfenderina , typical
Journal Article
Journal: AAPG Bulletin
Published: 01 January 1973
AAPG Bulletin (1973) 57 (1): 5-27.
... in which poorly developed stromatolitic bedding is common. At the top, there is in many places a slight unconformity, above which the basal beds of the Jurassic Sahtan Group are characterized by a ferruginous sandstone ( cf. the regional Late Triassic-Early Jurassic sandstone event in Arabia; Powers...
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Journal Article
Journal: AAPG Bulletin
Published: 01 January 1973
AAPG Bulletin (1973) 57 (1): 5-27.
.... The overlying Triassic Mahil Formation is composed of several hundred meters of monotonous, commonly saccharoidal dolomites in which poorly developed stromatolitic bedding is common. At the top, there is in many places a slight unconformity, above which the basal beds of the Jurassic Sahtan Group...
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Journal Article
Published: 28 August 2018
Journal of Sedimentary Research (2018) 88 (8): 960-979.
... the Permian–Cretaceous Akhdar, Sahtan, Kahmah, and Wasia groups ( Fig. 3 ; Forbes et al. 2010 ; Koehrer et al. 2010 ; Bendias and Aigner 2015 ; Obermaier et al. 2015 ; Schlaich et al. 2017 ). Fig. 3.— A – F) Petrographic images for Permian–Paleogene carbonates. The values given below the slides...
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Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 October 2013
GeoArabia (2013) 18 (4): 179-218.
.... Based on the sedimentological analysis of five outcrop sections, 11 facies types were identified in KS5. These were grouped into six facies associations, which represent environments ranging from a tidal flat to offshoal. Based on the 1-D analysis of sequences and their stacking patterns, 2-D...
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(a and b) Correlation of faults appearing on satellite-image with correspon...
in > GeoArabia
Published: 01 April 2013
of the Rayda Formation (Kh1 Member) and Jurassic Sahtan Group (deeper in the wadi; see also Figure 4a , 4b). (b) Corresponding outcrop in the field of the DAB Fault. The position and viewing direction of the photograph is indicated on the satellite image. The image width at its bottom is 2 meters. (c and d
Image
(a–e) Fault core details of the Dar al-Baydhaa Fault (DAB); and (f–h) mediu...
in > GeoArabia
Published: 01 April 2013
rocks of the Kh2. The fault gouge reaches a width of more than 10 meters. (c) On the slope, the cemented fault core stands out due to its high weathering resistance. (d) In the east of the mapping area, where soft rocks of the Sahtan Group are present in the footwall, the cemented core is less wide