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SE Turkey is a continuation of the Arabian Plate to the north in terms of the geological system (Figure-1). Sedimentary rocks were deposited in several basins in the area since Precambrian time. In order to understand the development of... more
SE Turkey is a continuation of the Arabian Plate to the north in terms of the geological system (Figure-1). Sedimentary rocks were deposited in several basins in the area since Precambrian time. In order to understand the development of the sedimentary basin of the region, well data, field observations, structural, stratigraphical, sedimentological, micropaleontological, and palynological data and sedimentary features of the neighboring countries were evaluated. This review is based on the results from studies such as Bozdogan and Erten (1990), Perincek et al. (1992) and Bozdogan and Ertug (1997).
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Structural interpretation covering the Central Saudi Arabia was carried out through Landsat, Radar images, topographic maps and seismic data. Existing geology maps provide materialized evidence for this study. A strong northwest trending... more
Structural interpretation covering the Central Saudi Arabia was carried out through Landsat, Radar images, topographic maps and seismic data. Existing geology maps provide materialized evidence for this study. A strong northwest trending lineament system has been mapped in the region and is interpreted as being rela- ted to the reactivated Najd Fault System. Elongate hills, strait-going creeks, offset along valley and ridges, and pull-apart basins are evident, indicating rejuvenation of the Najd transtensional sinistral movement. Geological map shows evidence indicating a northwestward dragging on the sedimentary cover along a NW trending regio- nal lineament in the region which extend from South Ghawar to An Nafud Basin in Saudi Arabia. Northeast trend- ing structures in Saudi Arabia are related to the pre-Permian structuring and Oman-Masirah stress regime. The Ghawar (Saudi Arabia), Dukhan (Qatar) and other north-northwest trending anticlines were reshaped by the reju- venated Naj...
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Commercial volumes of hydrocarbons have been discovered in Early Cretaceous synrift sediments of the Crayfish Group of the Penola Trough, western Otway Basin. Four other such depocentres are recognised using available seismic and drilling... more
Commercial volumes of hydrocarbons have been discovered in Early Cretaceous synrift sediments of the Crayfish Group of the Penola Trough, western Otway Basin. Four other such depocentres are recognised using available seismic and drilling data. A standard nomenclature is proposed for the major structural elements observed in this part of the Otway Basin.Various tectonic models proposed for the Early Cretaceous rift history of the Otway Basin are reviewed and tested using true dip analysis of seismic events and sandbox modelling experiments. Results support a generally north-south direction for rift extension in the Tithonian-Barremian. This implies that the ENE trending Robe Trough is the headwall rift compartment (although with 20°obliquity), whereas the NW trending Penola Trough is a more oblique or transtensional rift compartment.
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Borehole breakouts and hydraulic fractures inferred from dipmeter and formation microscanner logs indicate that the minimum horizontal stress (σh) is oriented 035°N in the South Australian sector of the Otway Basin. Density and sonic... more
Borehole breakouts and hydraulic fractures inferred from dipmeter and formation microscanner logs indicate that the minimum horizontal stress (σh) is oriented 035°N in the South Australian sector of the Otway Basin. Density and sonic check-shot log data indicate that vertical stress (σv) increases from approximately 20 MPa at a depth of one km to 44 MPa at two km and 68 MPa at three km. Assuming a normal fault condition (i.e. σy…
Research Interests: Geology, Geophysics, Paleontology, Hydraulic Fracturing, Cretaceous, and 6 moreDrilling, Aptian, RIFT, Borehole, Transtension, and APEA
The age of stratigraphic units within the Neoproterozoic of the Centralian Super-Basin caii be constrained by using major sequence bounding unconformities. The Officer Basin is redefined to include the Yeneena, Karara, and Savory... more
The age of stratigraphic units within the Neoproterozoic of the Centralian Super-Basin caii be constrained by using major sequence bounding unconformities. The Officer Basin is redefined to include the Yeneena, Karara, and Savory Basins.Correlation of structural and stratigraphic relationships apparent in surface geological maps to seismic and borehole data leads to the conclusion that the Petermann Ranges Orogeny and the Paterson Orogeny are the same event. The name Petermann Ranges Orogeny has been used extensively in the Centralian Super-basin. It is considered for this publication, to be correlated with and hence to replace the term…
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... and include different allochthonous units such as the Kocali Complex, the Karadut Complex, the Cilo Limestone, and the Hatay Ophiolites (Senel, 2002). ... Geochemical characteristics of the volcanic rock units will be the subject of... more
... and include different allochthonous units such as the Kocali Complex, the Karadut Complex, the Cilo Limestone, and the Hatay Ophiolites (Senel, 2002). ... Geochemical characteristics of the volcanic rock units will be the subject of another paper (Varol et al., in preparation). ...
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The area of study lies directly south of the main front of the Miocene thrust belt and is crossed by a series of anticlinal structures of Miocene age which trend northwest-southeast. Many of the anticlinal structures are associated with... more
The area of study lies directly south of the main front of the Miocene thrust belt and is crossed by a series of anticlinal structures of Miocene age which trend northwest-southeast. Many of the anticlinal structures are associated with one or two major thrust faults that border the anticlinal structures. In addition to the compressional features, the western part of
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A regional seismic interpretation was carried out over the onshore Otway Basin in western Victoria to produce two-way time formation top and thickness images and a structural elements map showing the ages of faulting. This interpretation... more
A regional seismic interpretation was carried out over the onshore Otway Basin in western Victoria to produce two-way time formation top and thickness images and a structural elements map showing the ages of faulting. This interpretation improved the understanding of tectonic events controlling the evolution of the basin and associated hydrocarbon plays.The early development of the basin involved rifting due to NE–SW extension in the Late Jurassic–Early Cretaceous, producing a number of half-grabens. The rifting conforms with established rift development models, in which half-grabens of alternating vergence are separated by transfer zones displaying complex folding and faulting patterns. Within the northern margin of the basin these half-grabens were filled and rifting ceased prior to the Aptian.An unconformity in the Wangerrip Group has been identified in the basin, corresponding to a change in Southern Ocean spreading rates from slow to fast (52Ma).Compression, resulting in right-...
Research Interests: Geology, Geophysics, Paleontology, Tectonics, Cretaceous, and 5 moreAptian, RIFT, Unconformity, Basement, and Anticline
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... The central part of the graben is a divergent strike-slip basin and the northern part is a half-graben. ... this paper is to describe the structural relationship between the East Anatolian and the Dead Sea fault zones in south-eastern... more
... The central part of the graben is a divergent strike-slip basin and the northern part is a half-graben. ... this paper is to describe the structural relationship between the East Anatolian and the Dead Sea fault zones in south-eastern Turkey based on geological field mapping by many ...
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Research Interests: Archaeology, Geology, Disaster Studies, Disaster risk management, Natural Hazards, and 15 moreByzantine Studies, Byzantine Archaeology, Events, Coastal Hazards, Tsunami, Ports and Harbours, Quaternary, North Anatolian Fault, Harbour Archaeology, HArbour, Istanbul, Theodosius, Coastal Storm, Plant Remains, and High energy
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... Orta Doğu Teknik Üniversitesi İnşaat Mühendisliği Bölümü Deniz Mühendisliği Araştırma Merkezi araştırma görevlileri Ceren Özer, Gülizar Özyurt, Hülya Karakuş, Ilgar Şafak ve Alper Dinçer'e de Hint Okyanusu Tsunamisi ile... more
... Orta Doğu Teknik Üniversitesi İnşaat Mühendisliği Bölümü Deniz Mühendisliği Araştırma Merkezi araştırma görevlileri Ceren Özer, Gülizar Özyurt, Hülya Karakuş, Ilgar Şafak ve Alper Dinçer'e de Hint Okyanusu Tsunamisi ile ilgili araştırmaların her safhasında (benzetim, ani ...
The North Anatolian fault is a major 1,200 km-long transform fault bounding the Anatolian plate to the north. It formed in late middle Miocene time as a broad shear zone with a number of strands splaying westward in a horsetail fashion.... more
The North Anatolian fault is a major 1,200 km-long transform fault bounding the Anatolian plate to the north. It formed in late middle Miocene time as a broad shear zone with a number of strands splaying westward in a horsetail fashion. Later, movement became localized along the stem, and the southerly and northerly splays became inactive. One such right-lateral, now-inactive
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... Keskin, C., 1974, The stratigraphy of the Northern Ergene basin, in H. Okay and E. Dilekoz, eds., Proceedings of the second petroleum ... Celal Sengor of Istanbul Technical University, Turkey; Irfan Taner of Tulsa, Oklahoma; Rafik... more
... Keskin, C., 1974, The stratigraphy of the Northern Ergene basin, in H. Okay and E. Dilekoz, eds., Proceedings of the second petroleum ... Celal Sengor of Istanbul Technical University, Turkey; Irfan Taner of Tulsa, Oklahoma; Rafik Salem of Fort Worth, Texas; Salih Saner, George ...
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Research Interests: Geology, Geomorphology, Geophysics, Fracture, Growth, and 15 moreMesozoic, Faults, Cenozoic, Direction, Cross sections, ARENA, Lineaments, Dip, Cross Section, Bed, Bedding, Escarpment, Growth Model, Anticline, and contour maps(Mesozoic, Faults, Cenozoic, Direction, Cross sections, ARENA, Lineaments, Dip, Cross Section, Bed, Bedding, Escarpment, Growth Model, Anticline, and contour maps)
(Mesozoic, Faults, Cenozoic, Direction, Cross sections, ARENA, Lineaments, Dip, Cross Section, Bed, Bedding, Escarpment, Growth Model, Anticline, and contour maps)