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Browsing Геология России by Title
Now showing items 1735-1754 of 40116
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(1987)The basic problem of modern geolectric science is the development of methods for interpreting the data of electromagnetic investigations in areas with complex laterally nonuniform structure of the geoelectric section. A ...
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(2002)In order to provide a basis for short-term decision-making in the forecasting and monitoring of volcanic activity, we developed an entirely automated system of data acquisition and reduction for magnetic data. The system ...
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(2001)Parameters of hydrologic models often are not exactly known and therefore have to be determined by calibration. A manual calibration depends on the subjective assessment of the modeler and can be very time-consuming though. ...
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(2001)Simulated annealing simulation (SAS) is a flexible tool for generating stochastic simulations conditioned to data at various scales and precision. However, a number of important drawbacks exists: (1) SAS requires considerable ...
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(PANGAEA, 1986-03-19)
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(1989)Pyrite is one of the principal concentrators of gold in most types of commercial ores. There is an interest in studying the mechanism by which gold is concentrated and the forms in which it occurs in pyrite. The authors ...
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(1998)The structure of the avacha Depression, covered by a thick sequence of volcanic rocks, volcano-sedimentary deposits, and loose Quaternary sediments of varying origins, was reconstructed using the results of a geological ...
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(1988)The Siberian craton abounds with traps of different facies, and may be regarded in this respect as a standard. Permian-Triassic traps are most common here, so we primarily use them to characterize the volcanisms of the ...
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(2003)The observed average lifetime of minerals, as estimated by the average survival time of dated detrital grains, correlates linearly with D sub C estimated from dissolution rates of minerals but does not correlate with D sub ...
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(2002)Seismic wave reflection amplitudes are used to detect fluids and fracture properties in reservoirs. This paper studies the characterization of a vertically fractured fluid-filled reservoir by analyzing the reflection ...
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(2003)Изучение изменений интенсивности отраженной волны с удалением от ПВ (AVO-анализ) позволяет получить значительно больше информации о геологических характеристиках разреза, чем это удается сделать на основе обычной технологии ...
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(2003)The axial magnetic anomaly amplitude along Mid-Atlantic Ridge segments is systematically twice as high at segment ends compared with segment centres. Various processes have been proposed to account for such observations, ...
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(2001)The generation of layers of magma in planes perpendicular to directions of active contraction, whether millimetre-scale leucosomes or multi-kilometre-scale batholiths, remains an intriguing dilemma. It is important because ...
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(2005)Several hypotheses have been proposed to explain trench-parallel shear wave splitting in the mantle wedge of subduction zones. These include 3-D flow effects, parallel melt filled cracks, and B-type olivine fabric. We ...
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(2002)Diffusion of Ba in natural sanidine and plagioclase has been characterized under dry 1 atm conditions. Polished or cleaved sections of the feldspars were surrounded by source powders in Pt capsules and annealed in air. ...
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(Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования «Петрозаводский государственный университет», 2014)Приводятся данные по экономической оценке комплексного Ba-Sr-P-Ti-TR-полевошпатового сырья Элисенваарского дифференцированного щелочного комплекса в северо-западном Приладожье (Карелия), содержанию и распределению в породах ...
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(2002)At convergent margins, fluid flux through active mud volcanoes (MVs) has been estimated to exceed that of the frontal accretionary prism, and may have done so in earlier earth history. Often, however, it is largely unknown ...
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(2005)Geomorphologic, marine geological, and paleoclimatic evidence, along with modeling results, indicate that, during the Late Pleistocene, the Sea of Okhotsk was glaciated by a "back-arc" marine ice-sheet, which was a continuous ...
Now showing items 1735-1754 of 40116