نتایج جستجو برای: period deep crustal exploration
تعداد نتایج: 776957 فیلتر نتایج به سال:
the conductivity distribution across the trans-european suture zone (tesz) is presented based on the measurements along a 400 km northeastern directed profile, starting from the german-polish basin, crossing the tesz and ending at the east european craton. two-dimensional inversion was applied to magnetotelluric transfer functions and magnetovariational responses corresponding to 38 long-period...
During the past 50 years the Bureau de Recherche Géologiques et Minières, (BRGM) has collected a large amount of diverse data during projects for water and h ydrocarbons exploration and underground storage investigations (methane, nuclear-waste, etc.). Societal and environmental issues have had a significant influence on research applied to groundwater exploration and characterization. During t...
The Q-depth relation in the earth's mantle has been estimated for long-period P waves from two deep-focus and three intermediate earthquakes. The amplitude spectrums of the first P waves from 114 seismograms at recording stations inthe distance range between 15 and 103 degrees, have been corrected for the crustal structure and the instrument and used to measure the effects of attenuation ver th...
Consistency between deep crustal heating of strange stars in superbursters and soft X-ray transients
Context. Both superbursters and soft X-ray transients probe the process of deep crustal heating in compact stars. It was recently shown that the transfer of matter from crust to core in a strange star can heat the crust and ignite superbursts provided certain constraints on the strange quark matter equation of state are fulfilled. Aims. We derive corresponding constraints on the equation of sta...
The Pacific margin of East Antarctica records a long tectonic history of crustal growth and breakup, culminating in the early Paleozoic Ross Orogeny associated with Gondwanaland amalgamation. Periods of older tectonism have been proposed (e.g. Precambrian Nimrod and Beardmore Orogenies), but the veracity of these events is difficult to document because of poor petrologic preservation, geochrono...
We study thermal states of transiently accreting neutron stars (with mean accretion rates Ṁ ∼ 10 − 10 M⊙ yr ) determined by the deep crustal heating of accreted matter sinking into stellar interiors. We formalize a direct correspondence of this problem to the problem of cooling neutron stars. Using a simple toy model we analyze the most important factors which affect the thermal states of accre...
[1] Integration of stress indicator data, gravity data, crustal kinematics data, and analysis of topography and recent vertical motions demonstrates the occurrence of consistently oriented spatial patterns of large-scale Alpine to recent intraplate deformation in Iberia. The inferred upper crustal and lithospheric deformation patterns and the timing of the associated expressions at or near the ...
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