Geotectonics
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Relationships of Surface Geological and Geophysical Characteristics with the Deep Structure of the Mid-Atlantic Ridge According to Seismic Tomography Data
Geotectonics - Tập 56 - Trang 107-122 - 2022
A retrospective analysis of seismic tomography models with different levels of detail along the Mid-Atlantic Ridge (MAR) has shown that mantle inhomogeneities depicted by variations of seismic waves velocities in low-detail models look larger than their true sizes determined by more detailed modern models. They also confirm that there are two different types of upwelling in the Atlantic mantle: ac......
Special features of heat flow in transform faults of the North Atlantic and Southeast Pacific
Geotectonics - - 2017
Role of radiogenic heat generation in surface heat flow formation
Geotectonics - Tập 50 Số 2 - Trang 179-195 - 2016
Recurrence of strong earthquakes in the active Hovd Fault Zone, Mongolian Altay
Geotectonics - Tập 47 - Trang 340-350 - 2013
A geological, geomorphic, and paleoseismological study of paleoseismodislocation systems has been carried out. Numerous indications of prehistoric strong earthquakes expressed in sediments deposited in the fault-line region due to the formation of transient barrier lakes were revealed in the active Hovd Fault Zone on the eastern slope of the Mongolian Altay during a paleoseismological study of you......
Recent structures and tectonic regimes of the stress–strain state of the Earth’s crust in the northeastern sector of the Russian Arctic region
Geotectonics - Tập 50 - Trang 535-552 - 2016
A comprehensive investigation aimed at determining seismotectonic types of destruction and the stress–strain state of the Earth’s crust in the main seismogenerating structures of the Arctic–Asian seismic belt is conducted for the territory of the northeastern sector of the Russian Arctic region. Based on the degree of activity of geodynamical processes, the regional principles for ranking neotecto......
Geodynamics of the Ural Foredeep and Geomechanical Modeling of the Origin of Hydrocarbon Accumulations
Geotectonics - Tập 52 - Trang 297-311 - 2019
We present tectonic implications for hydrocarbon accumulations in the Ural‒Novaya Zemlya Foredeep. Its eastern flank is rich in economical oil and gas deposits mostly localized within the fold-and-thrust belt that was constructed as a result of continent‒continent collision during the Ural Paleoocean closure. On the basis of striking correlation between oil and gas accumulation and fold-and-thrust......
The Modern Active Tectonics of the Fergana Depression (Uzbekistan) Based on the Results of Tectonophysical Reconstruction of Crustal Stresses and Mathematical Modeling of the Velocity Field
Geotectonics - Tập 56 - Trang 631-637 - 2022
The seismotectonic process in the Fergana depression is caused by neotectonic activation of the earth’s crust. This process contributes to maintenance of the high seismic potential of the region, as evidenced by strong and destructive earthquakes, which took place here from ancient times until the present, and the preserved traces of paleoseismo-dislocation. Strong earthquakes are spatially and ge......
Neoproterozoic Evolution and Najd‒Related Transpressive Shear Deformations Along Nugrus Shear Zone, South Eastern Desert, Egypt (Implications from Field‒Structural Data and AMS‒Technique)
Geotectonics - Tập 52 - Trang 114-133 - 2018
The tectonometamorphic evolution of Nugrus Shear Zone (NSZ) in the south Eastern Desert of Egypt was reevaluated through an integrated study including field-structural work and magnetofabric analysis using Anisotropy of Magnetic Susceptibility (AMS) technique, complemented by detailed microstructural investigation. Several lines of evidence indicate that the Neoproterozoic juvenile crust within th......
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