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Tectonic Geomorphology of Atrak River, NE Iran  [PDF]
Elahe Javadi Mosavi, Mehran Arian
Open Journal of Geology (OJG) , 2015, DOI: 10.4236/ojg.2015.53010
Abstract: Atrak River region, northeast Iran is a quaternary tectonically active region. There are many geologic structures that they are formed by the collision of the Arabian and Eurasian plates. This area has extended from north east Iran to the of kope dagh zone. The study area is Atrak river basin and it has been divided to 56 Sub-basin for calculation of 6 geomorphic indices. Finally, this region was classified in 4 relative tectonic activity classes.
Tectonic geomorphology of the Ryukyu Trench-Arc-Backarc System: geological-geophysical exploration and mapping
Mingzuo Fu,Lejun Liu,Yanpeng Zheng,Baohua Liu,Jinlong Wu,Xiaowei Xu
Chinese Science Bulletin , 2004, DOI: 10.1360/03wd0219
Abstract: Based on an analysis of full-cover multi-beam bathymetric data, seismic and sub-bottom profiling data, and other geological-geophysical data sets, the geomorphologic features of the Ryukyu trench-arc-backarc (T-A-BA) system are delineated, and a geomorphologic map of the system is compiled. The results show that the evolution and spatial distribution patterns of the geomorphologic types of the Ryukyu T-A-BA system are controlled mainly by tectonic movements. The tectonic geomorphologic characteristics of the Ryukyu Arc (RA) differ distinctly from those of the East China Sea (ECS) continental shelf and slope. In term of geological structures, RA consists of the Tokara volcanic ridge, the Ryukyu folded ridge, the fore-arc accretion-wedge ridge and the Amami Depression and the fore-arc depressions between the ridges, which is composed of a complex of alternating island-slope ridges and fault basins. The slope of the ECS is a passive continental margin with stepwise faults. The Okinawa Trough (OT) is a backarc rift in which tectonic movements are intensive, with active volcanic and hydrothermal eruptions and sea floor spreading. The development of geomorphic features of the OT is controlled by the central en echelon spreading axes, the faults along the ECS slope and the marginal faults to the west of the Tokara volcanic ridge. The geomorphic complex of the OT is arranged in the following pattern: the en echelon grabens and volcanic chains formed by rifting and spreading lie in the central part of the trough, the turbidite plains inclining eastwards-southeast-wards from the slope foot of the ECS lie in the western-northwestern parts of the OT, and the volcaniclastic deposit plains inclining westward-northwestwards from the western slope foot of the RA lie in the eastern-southeastern parts of the OT. In term of tectonic geomorphology, the OT forms a natural division between the shelf of the ECS and theRA.
The Biggest Salt-Tongue Canopy of Central Iran  [PDF]
Mehran Arian, Hamideh Noroozpour
Open Journal of Geology (OJG) , 2015, DOI: 10.4236/ojg.2015.52005
Abstract: One of the most interesting salt structures is salt-tongue canopy. The Central Iran basin has a few salt provinces and in this paper, morphotectonic concept of the salt-tongue canopy on the west of Garmsar city has been investigated. In this study, field data coupling with the salt tectonic-related factors to provide a position for salt rocks in the west Garmsar. Firstly, various geological factors such as faults, folds and roads were extracted and compiled. This is because the factors mentioned above play important role in the instability of the region. The results of this study showed that the salt extrusion from the Lower Red formation is severe. Further, it is evident that the shortening of main structures has had a great impact on it whilst the salt movements have occurred within Garmsar Syncline. Finally, the paper concluded that the salt-tongue canopy in the region has increased the rates of salt extrusion.
Salt Tectonics in the Southern Iran  [PDF]
Azar Khodabakhshnezhad, Mehran Arian
International Journal of Geosciences (IJG) , 2016, DOI: 10.4236/ijg.2016.73029
Abstract: Based on geographic distribution and geological setting of salt plugs in southern Iran, three salt diapiric provinces have been distinguished. These provinces include the Hormuz, Shiraz-Kazerun and Nyriz-Jahrum sub-basins. There are more than hundred salt plugs which they have been formed and developed in the southern margin of Iran. The salt structures that originated from Hormuz formation in these areas have been restricted and separated from each other for the first time in this paper. Salt diapirism of these provinces has been triggered earlier by Halokinesis in the Zagros and Persian Gulf basins, but it has affected later by tectonic forces, because orientation, shape and position of salt plugs have been followed from convergence regime (especially in the Zagros hinterland). In the other hand, based on our results from salt plugs in Persian Gulf foreland basin and the Zagros hinterland, Halokinesis triggers has been affected more than Halotectonic forces.
Microseismic identification of geological and tectonic structures in the Komjatice Depression (Western Carpathians)
Anna V. Kalinina, Sergey M. Ammosov, Viktor A. Volkov, Nikolay V. Volkov, Jozef Hók, Ladislav Brimich, Martin ujan
Geologica Carpathica , 2009, DOI: 10.2478/v10096-009-0024-1
Abstract: The microseismic survey method was applied to the study of the geological structures in the region around the Mochovce nuclear power plant. The previous geological and geophysical investigations considered a contact between the Miocene volcanites and sediments as a neotectonic fault. The results of the microseismic investigations allow us to interpret the zone of a supposed neotectonic fault as a transgressive contact of the sediments and the volcanic rocks without a tectonic disruption.
Relationships Between the Parameters of Geomorphology and Structural Features in the Pan African Fold Belt of Cameroon. Example of Kombé II-Mayabo Area
A.A. Ganwa,W. Frisch,J. Mvondo Ondoa,B. Njom
Journal of Engineering and Applied Sciences , 2012,
Abstract: The study of satellite images or aerial photographs is often preliminary for geological field trips. Geologists, especially those in the undeveloped countries do not have access to landsat or aerial photographs. This study is intended to show that the use of geomorphological parameters like topographic maps can permit one to overcome such difficulties. Relations between morphology and rocks of basement are known and treated on physical geography and geomorphology revues and treaty. Correlation between structures, orography and river network in part of the Panafrican fold belt of Cameroon were studied based on the above relationships. The attitude of the topography is imposed by ductile deformation which builds up mega-structures. The hydrographic network is guided by the tectonic lines. This highlights the tectonic from hydrographic network It appears that geomorphological parameters are attributable to geologic factors. Thus, these parameters are to be taken as useful elements for structural cartography in the Pan African terrains. This methodology of cartography, involving a judicious study of topographic maps, is recommended as a preliminary work in areas without landsat images or aerial photographs and for researchers who do not have sufficient financial support to provide themselves with images or aerial photographs.
Trans-border (east Serbia/west Bulgaria) correlation of the morpho-tectonic structures
Tchoumatchenco Platon,Rabrenovi? Dragoman,Radulovi? Vladan,Radulovi? Barbara
Geolo?ki Anali Balkanskog Poluostrva , 2011, DOI: 10.2298/gabp1172021t
Abstract: In the Bulgarian and Serbian geological literatures, many maps, both geological and tectonic, exist showing the structures, but limiting them nationally. There are very few publications correlating the structures from both sides of the border and they preserve the local Bulgarian or Serbian names. Our aim is to create a base for the unification of the names defining the major morpho-tectonic structures: the Moesian Platform, the Miro - Fore-Balkan Unit, the Pore -Stara Planina Unit, the Krayna Unit, the Getic - Srednogorie Unit, the Supra Getic - Kraishtide Zone, the Serbo-Macedonian - Thracian Massif and the Vardar Zone, showing their synonyms from the Bulgarian and Serbian sides.
The Emergent Salt Diapirs in the East Zagros, Iran  [PDF]
Ghazaleh Razaghian, Mehran Arian
Open Journal of Geology (OJG) , 2015, DOI: 10.4236/ojg.2015.510063
Abstract: The emergent salt diapirs of the east Zagros, Iran have been investigated by their structural positions. The study area is including of Zagros orogeny belt and Persian Gulf that both of them have been formed on northeastern part of Arabian plate. There are 84 emergent salt diapirs that originated from Hormuz formation with Infra-Cambrian to Cambrian age. Based on location, shape and orientation of the emergent salt domes in the east Zagros hinterland and Persian Gulf foreland basin, internal motivation forces in the salt deposits has been predominant compared to later tectonic forces. In the other words, most of the emergent salt diapirs are pre-orogenic diapirs and they had got prominent role as pines in determining the shape and location of next structures during to the Zagros orogeny. Finally, Neogene continental collision has a supplementary role to diapirism and salt reactivation. However there are an evidence to syn-orogenic emergent diapirs that they have got an important role in the progressive deformation.
Salt Structures in the Kucha Depression and their Role in the Formation of Oil and Gas Accumulations
库车坳陷盐构造特征及其对油气成藏的作用

WU Guang-hui,LIU Yu-kui,LUO Jun-cheng,WANG Hai,LEI Gang-lin,GAO Hui,
邬光辉
,刘玉魁,罗俊成,汪海,雷刚林,高辉

地球学报 , 2003,
Abstract: Salt structures are well developed in the Kucha depression of the Tarim basin and can be divided into salt pillow, salt anticline, salt wall, salt stock, salt ridge, salt nappe, salt edge, salt glacier and salt mushroom,according to their external shapes and development levels. This paper summarizes the characteristics and distribution of all kinds of salt structures in the Kucha Depression. Salt structures provide good cap rocks, help to form large-size traps, maintain relatively high porosity, and contribute to the migration and accumulation of oil and gas and the formation of large-size oil-gas fields.They are therefore important in the formation of oil and gas accumulations.
THE RELATIONSHIP BETWEEN THE TECTONIC LANDFORMS AND STRUCTURES IN THE WEIHE RIVER BASIN
渭河盆地的地质构造与构造地貌类型

Hu Mengchun,
胡孟春

地理研究 , 1989,
Abstract: The Weihe River Basin stands where the four tectonic systems of Qilu,Qin-ling, latitudinal direction, cathaysian and Longxi roll-up intersect, such tectonic characteristics lay a basis for the formation of tectonic landforms of the basin.According to the tectonic structures and formation causes, the tectonic land-forms in the Weihe River Basin can be classified into eight types and each type can be divided further into correspondent based on neotectonic movement characteristics.These geomorphic sequences, which stretch into belts in east-west direction, have lomologous features in north-south direction and possess terracing spatial variations,Under the control of major tectonic systems in the Weihe River Basin, the graben structure with its own features serves as main cause for estabishment of the landform spatial arrangement.The development of tectonic landforms in the Weihe River Basin underwent three stages, namely, preparation stage of Mesozoicera, Tertiary establishment stage and Quaternary completion stage.
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