نتایج جستجو برای: mantle and moho
تعداد نتایج: 16831278 فیلتر نتایج به سال:
The Afar and Ethiopian plateaus are in a dynamic uplift due to the mantle plume, therefore, considering plume effect is necessary for any geophysical investigation including estimation of lithospheric stress this area. Earth gravity models Gravity Field Steady-State Ocean Circulation Explorer (GOCE) structure can be applied estimate tensor inside lithosphere. To do so, boundary-value problem el...
The goal of the 1993 Los Angeles Region Seismic Experiment (LARSE93) passive phase was to collect waveform data from local and distant earthquakes to study lower crust and upper mantle structural features in southern California, particularly under the San Gabriel Mountains and San Andreas fault. During LARSE93, approximately 88 stations were deployed in a 175-km-long, linear array across the Lo...
the central alborz mountains of northern iran (figure 1) is a zone of intense active continental deformation and is the most heavily populated region of iran, including the mega-city of tehran with a population of over 10 million. the region is affected by numerous active faults, some of them having great seismic potential, and documented historical seismicity. hence, the central alborz is a pr...
Using published cross-sections and a series of geological constraints, 3D model an important area the Adriatic sector peninsular Italy—i.e., Marche region—was developed. Then, analytical procedure, taking into account heat rising from mantle radiogenic produced by crust, was applied on pre-built structural model, in order to obtain geothermal setting entire region. The results highlighted key r...
rf method is now a well-known tool for studying crustal and upper mantle structure when such a complete data set is available. we compute p receiver functions to investigate the upper mantle discontinuity beneath the northwest of iran. we selected data from teleseismic events (mb ? 5.5, 30 ?>? > 95?) recorded from 1995 to 2008 at 8 three component short period stations from tabriz telemetry sei...
Abstract The SWATH-D experiment involved the deployment of a dense temporary broadband seismic network in Eastern Alps. Its primary purpose was enhanced imaging crust and crust–mantle transition, as well improved constraints on local event locations focal mechanisms complex part Alpine orogen. study region is key area Alps, where European north juxtaposed partially interwoven with Adriatic sout...
Eastern Indonesia is tectonically complex, formed by different plates and microplates interactions from origins. This complexity gives geoscientists a challenge to solve the ’jigsaw’ of complex interactions. The understanding tectonic processes can lead breakthrough in both resource exploration disaster risk reduction. We utilize teleseismic P wave coda for random scattering deterministic origi...
The evolution of the Caribbean plate has resulted in formation volcanic arcs, Large Igneous Province (CLIP) and micro-plates across boundary zones. northern with North American been particularly segmented transition from oblique subduction to collision moving east west. However, there are few constraints on seismic structure upper mantle boundary. Here we use S-to-P receiver functions map veloc...
SUMMARY This Ph.D. thesis focuses on construction and analysis of a comprehensive model of the European lithosphere, which is based on the integration of most of the existing geophysical studies and estimation of physical (density, temperature, velocity) and rheological parameters. The model describes the structure and physical properties of the principal lithospheric layers, drawing special at...
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