نتایج جستجو برای: southwest oriented thrust
تعداد نتایج: 155326 فیلتر نتایج به سال:
The combination of detailed topographic leveling on the southwest segment of the El Asnam thrust fault with existing seismic and geologic data implies that the geometry of this fault involves shallow dipping flats and steep ramps. The fault appears to be growing along strike toward the southwest end, where the main shock initiated in 1980. From a depth of about 10 km, the main thrust appears to...
Source parameters of 15 large (mb -> 6) earthquakes which occurred near Taiwan during the last 25 years are determined by synthetic seismogram analysis of teleseismic P and S waveforms. Source depths range from 13 to 88 km. Three earthquakes of intermediate depth are located within the southernmost limit of the Ryukyu arc and show thrust-type mechanisms with T axes subparallel to a northward di...
[1] We calculated static stress changes from the devastating M = 7.6 earthquake that shook Kashmir on 8 October, 2005. We mapped Coulomb stress change on target fault planes oriented by assuming a regional compressional stress regime with greatest principal stress directed orthogonally to the mainshock strike. We tested calculation sensitivity by varying assumed stress orientations, target-faul...
The central part of the Namaqua Metamorphic Province was subjected to intense deformation under high-grade metamorphic conditions up granulite facies, but also shows greenschist facies overprints denoting nature during 1.2–1.0 Ga Namaquan Orogeny. This study examines structural development Kakamas Domain eastern Province, which has not been extensively studied previously. compressional orogenic...
Rocks exposed west of the Coast Plutonic Complex in southern southeast Alaska form an imbricate thrust belt that overprints the tectonic boundary between two of the largest allochthonous crustal fragments in the North American Cordillera, the Insular and Intermontane composite terranes. In the Alexander terrane (Insular composite terrane), lower Paleozoic metavolcanic and metasedimentary rocks ...
The magnetotelluric method has improved significantly in recent years and is being used in hydrocarbon exploration in regions where seismic exploration is difficult. This includes areas where highvelocity carbonates and volcanic rocks are present in the near surface, overthrust belts, and in subsalt imaging. Magnetotelluric exploration was used in the Rocky Mountain Foothills in 2002 to determi...
Abstract The foraminiferal contents of the lower–middle Miocene succession exposed in three sections north Nur Abad on northwestern side High Zagros Thrust Belt were studied. Assemblages larger foraminifera from these can be referred to Zone SBZ 25 (and Miogypsina globulus and intermedia subzones), which correlates with Burdigalian Stage. For first time, planktonic documented area document Lang...
We present new geologic maps of the Lake Champlain region of west-central Vermont and east-central New York State. This region contains a shallow-crustal section of an Ordovician foreland basin and a far-traveled thrust system that transported the Upper Cambrian–Lower Ordovician platform-sequence, allochthonous risefacies pelites and arenites and Middle Ordovician basinal shales and flysch. Ear...
A variation of a hanging pendulum thrust stand capable of measuring the performance of an electric thruster operating in the vertical orientation is presented. The vertical orientation of the thruster dictates that the thruster must be horizontally offset from the pendulum pivot arm, necessitating the use of a counterweight system to provide a neutrally stable system. Motion of the pendulum arm...
This chapter demonstrates how to leverage the Thrust parallel template library to implement high-performance applications with minimal programming effort. Based on the C++ Standard TemplateLibrary (STL), Thrust brings a familiar high-level interface to the realm of GPU Computing whileremaining fully interoperable with the rest of the CUDA software ecosystem. Applications written...
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