نتایج جستجو برای: active tectonic
تعداد نتایج: 448664 فیلتر نتایج به سال:
Introduction Paleoclimatics studies can respond the many uncertainties about past climate change; an issue that is being studied seriously in the world but less attention has been paid in Iran. The Late Quaternary can be considered as Holocene. Holocene, which spans over 11,000 years ago; In general, it is considered as a period with relatively warm and stable climatic conditions. However, rec...
In this paper, the activity of Kushk fault has been investigated through field observations of landslides related to the activity of Kushk fault and other evidences of its activity and the location of rural settlements in the study area of Kushk fault has been analyzed. The study area is located in Qazvin province and in the Alborz structural zone and along the Kushk fault between the coordin...
Is erosion important to the structural and petrological evolution of mountain belts? The nature of active metamorphic massifs colocated with deep gorges in the syntaxes at each end of the Himalayan range, together with the magnitude of erosional fluxes that occur in these regions, leads us to concur with suggestions that erosion plays an integral role in collisional dynamics. At multiple scales...
حذف شدیک جمله Identify water resources management and proper application of relevant officials and managers are the main concern. Groundwater as a most important natural resources of Iran needs to planning and management of all aspects. In this regard, a study done of the Shaharchay river basin in the west of the Urmia Lake and the northern structural, sedimentary zone of Sanandaj - Sirjan. The...
The morphology of the Earth is a result of interactions between climate, tectonics, and geology and the investigation of neotectonics is one of the vital disciplines in Earth science, because the results of regional studies of active tectonics are significant for evaluating natural hazards as well as land use development and management in populated areas. In this regard neotectonic features of ...
Introduction: The mapping of lineaments from digital remote sensing data is one of the techniques used in the structural and tectonic characterization of a planet. Lineament mapping on Mars is traditionally made using digital imagery [1,2]. MOLA altimetry data was also used to the visual interpretation and extraction of tectonic features from Mars surface [3]. All these works rely on traditiona...
This study examines the use of the geographic information systems (GIS) in structural geomorphology to build the model of the crust based on fractal analysis of relief. Fractal theory, developed by B. Mandelbrot, used to determination morpho-bloc divisibility of the Earth’s surface. There is the traceable statistically recurring relief structure indicate the appropriate tiered hierarchy of crus...
The author has chosen a very important topic which definitely needs further thorough study. In this manuscript, a simple 2-D model of the passive continental margin is applied to simulate processes in the tectonically active environment of the Russian Arctic Shelves. The developed model considers a single latitudinal cross-section, employs greatly simplified physics assumptions and is eventuall...
This paper aims to study the geochemical characteristics of shale of Disang group of Eocene age. Geochemical study and the data reported indicate that Shales are deposited under the marine condition. Tectonic setting was active continental margin to passive continental margin and sediments were derived from volcanic and/or granitic source area. Study reveals that Source-rating of studied shale ...
Most of geothermal areas are located in seismically active regions. Because of an intensive tectonic regime, discontinuities of their lithosphere play the role of channels for powerful metallogenic heat and mass transfer processes, especially for intrusion of ultra-basic magmas with Fe, Mn etc. into the crust. Proceeding from the presence of substantial low resistivity structures in seismic lit...
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