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Browsing ELibrary by Title
Now showing items 5660-5679 of 19379
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(2001)This paper uses constraints from experiments, thermodynamic modeling, and natural mineral assemblages to argue that Al2SiO5 "triple-point" assemblages, in which all three Al2SiO5 minerals are in stable equilibrium, are not ...
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(2004)On many volcanoes, there is evidence of a relationship between dome collapse and periods of high precipitation. We propose a mechanism for this relationship and investigate the conditions that optimize failure by this ...
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(1990)The authors have demonstrated that water-gas systems filling fault structures of seismically active regions are chemically and even isotopically unstable, not only in the period of accumulation and relaxation of elastic ...
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(2004)We estimate a global plate motion model for 17 major and minor tectonic plates solely on the basis of analysis of data from 106 globally distributed continuous GPS stations, spanning the period from January 1991 to July ...
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(1996)A method is developed to determine the response of digital seismo-graphs from transient calibration pulses. Based on linear system theory, the digital seismograph is represented by a set of first-and higher-order linear ...
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INSULATIVE PROPERTIES OF CRYSTALLINE ROCKS: ON THE PROBLEM OF HIGH-LEVEL RADIOACTIVE WASTE DISPOSAL (2001)In most countries (including Russia) where radioactive materials are used, it is suggest that high-level radioactive wastes (HLW) should be deposited in crystalline rocks. We demonstrated that basic rocks (gabbro, anorthosite, ...
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(2001)The authors present a general theory of propagation of electromagnetic pulse excitations in the diffusion domain, for horizontally layered media, in the form of integral hodographs of electrical and magnetic types. The ...
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(2000)The paper presents an analysis of seismic-wave propagation expressed geometrically in terms of the ray method. The objective was to describe the wave field at regular points of a ray set in the vicinity of its initial point ...
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(1989)In the present paper we demonstrate that the simultaneous analysis of fields of different geophysical types by means of inverse-problem formulations that are consistent on the statistical level expands the correctness set ...
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(2003)Integrated graptolite, conodont and chitinozoan biostratigraphical data is presented from the Rhuddanian through to lower Sheinwoodian of the Aizpute-41 core, Latvia. Correlation of the biozonation schemes based upon the ...
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(1998)Integrated graptolite, conodont and chitinozoan biostratigraphical data are presented from the lower Silurian of the Ohesaare core, Saaremaa, Estonia. A precise correlation of graptolite and conodont biozonations for much ...
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(1999)Combined gas and ion chromatographic analysis of well characterized, small (~1 g) fluid inclusion-bearing samples is a powerful, but simple, means for obtaining integrated fluid concentrations of major and trace, volatile ...
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(1996)Five overlapping sections from the thick Neoproterozoic to early Cambrian sediments of western Mongolia were analysed to yield a remarkable carbon-isotope, strontium-isotope and small shellyfossil (SSF) record. Chemostratigraphy ...
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(1996)Carbonate-rich sedimentary rocks of the western Anabar region, northern Siberia, preserve an exceptional record of evolutionary and biogeochemical events near the Proterozoic/Cambrian boundary. Sedimentologically, the ...
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(1990)The recent acquisition of new geophysical data on the Arctic Basin has made it possible to reanalyze the entire existing body of data, using as a baseline the regional Trans-Arctic Geotraverse, on which we shall construct ...
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(2001)Until recently, 'land use' was regarded as a single function: in rural areas of the UK this simply meant 'farming' or, in the uplands, 'forestry'. However, there is now growing recognition of the multiple use of land, and ...
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(2004)Two decades of diamond research in southern Africa allow the age, average N content and carbon composition of diamonds, and the dominant paragenesis of their syngenetic silicate and sulfide inclusions to be integrated on ...
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(2004)The author provides new data for the paleontological and stratigraphic understanding of the Upper Cretaceous formations of the Crimean Peninsula. Within the classic Bakhchisaray region 24 samples from six sections ...
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(2003)This issue brings together 12 papers presenting results of geodynamic/subsidence studies performed in the frame of the Peri-Tethys Programme (PTP). The areas in question are for the northern Peri-Tethyan Platform: the ...
Now showing items 5660-5679 of 19379