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Now showing items 12544-12563 of 39124
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(2001)Oscillatory zoning in carbonates of gold ore deposits Darasoon, Shkolnoye and silver-polymetallic deposit Prognoz is studied. Alternation of dolomite and Mn-ankerite rhythms is observed at Darasoon deposit. Single rhythm ...
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(2003)Today, the term ria is rarely used by sedimentologists or stratigraphers, although it embodies all the characteristics of the so-called incised valleys - a topic of considerable interest since the increased understanding ...
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(Федеральное государственное бюджетное учреждение науки Институт земной коры Сибирского отделения Российской академии наук, 2017)
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(2003)The Early Proterozoic banded iron formation (BIF) of the Mikhailovskoe iron deposit differs from other known Precambrian BIF by the low Al# and high Fe3+/(Fe3+ + Fe2+) ratios. The elevated oxygen fugacity during the ...
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(2003)The topography of ocean ridges and rifts show a distinct asymmetry. The eastern sides of the East Pacific Rise, the Mid-Atlantic Ridge, and the NW Indian Ridge are, on average, 100-300 m more elevated than the conjugate ...
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(Федеральное государственное бюджетное учреждение науки Институт земной коры Сибирского отделения Российской академии наук, 2017)In our study, we have developed a new tectonic scheme of the Arctic Ocean, which is based mainly on seismic profiles obtained in the Arctic-2011, Arctic-2012 and Arctic-2014 Projects implemented in Russia. Having interpreted ...
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(2005)The relationship between rift zones and flankinstability in ocean island volcanoes is often inferred butrarely documented. Our field data, aerial image analysis,and40Ar/39Ar chronology from Anaga basaltic shieldvolcano on ...
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(2004)We report a comparative study on the high pressure (HP) structural behaviour of a fibrous zeolite (with EDI topology) on the basis of rigid unit modes (RUM) modelling and previously published single-crystal X-ray diffraction. ...
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(2004)Partial ring currents during the main phase of a geomagnetic storm cause a longitudinal asymmetry in the magnetic field at the earth’s surface at low and mid latitudes. The horizontal component of the magnetic field obtained ...
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RIPHEAN SEDIMENTARY SEQUENCES OF THE EASTERN AND NORTHEASTERN MARGINS OF THE EASTERN EUROPEAN CRATON (2002)The Riphean history of depositional basins in the study region can be divided into Early-Middle Riphean and Late Riphean phases. Throughout the Riphean, clastic material was supplied chiefly from eastern regions of the ...
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(2004)Extensive methane hydrate layers are formed in the near-surface sediments of the Cascadia margin. An undissociated section of such a layer was recovered at the base of a gravity core (i.e. at a sediment depth of 120 cm) ...
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RIVER FLOW FORECASTING: USE OF PHASE-SPACE RECONSTRUCTION AND ARTIFICIAL NEURAL NETWORKS APPROACHES (2002)The use of two non-linear black-box approaches, phase-space reconstruction (PSR) and artificial neural networks (ANN), for forecasting river flow dynamics is studied and a comparison of their performances is made. This is ...
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(2001)An important problem in hydrologic science is understanding how river flow is influenced by rainfall properties and drainage basin characteristics. In this paper we consider one approach, the use of mass exponents, in ...
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(PANGAEA, 2018-04-06)
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(2004)Rivers are largely responsible for shaping the Earth's continental landscapes. River patterns, the spatial arrangements of channels in the landscape, are determined by slope and structure. At site and sector scale, channel ...
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(2004)Several satellite techniques have been proposed to monitor events related to seismic and volcanic activity. A selfadaptive approach (RAT, Robust AVHRR Techniques) has recently been proposed which seems able to recognise ...
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(2001)The instrumental measurement results of the residual shifts and deformations of rocks massif under the action of underground nuclear explosions are presented. The main attention is paid to the problems of deformations ...
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(2005)The dilation of rock under shear gives rise to detectable effects both in laboratory experiments and in field observations. Such effects include hardening due to reduction in pore pressure and asymmetrical distribution of ...
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(Федеральное государственное бюджетное образовательное учреждение высшего образования «Сибирский государственный университет геосистем и технологий», 2017)The paper considers failure of a stratum within the framework of a nonlocal elasticity theory for a plastic flow. Here, the nonlocality is determined by dependence between deformation energy and metric deformation tensor ...
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(Федеральное государственное бюджетное образовательное учреждение высшего образования «Сибирский государственный университет геосистем и технологий», 2017)The paper considers failure of a stratum within the framework of a nonlocal elasticity theory for a plastic flow. Here, the nonlocality is determined by dependence between deformation energy and metric deformation tensor ...
Now showing items 12544-12563 of 39124