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Now showing items 16419-16438 of 39069
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(2002)Deformation of porous crustal rock, through diagenesis, tectonic loading or other processes, can change pore volume and affect fluid pressure. The largest stress-induced pore pressure changes occur when fluid is trapped ...
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(2001)Fluid inclusions were synthesized in quartz from silver oxalate (Ag2C2O4) and a 6-wt.% NaCl aqueous solution to produce a CO2-H2O-NaCl fluid, following the method of previous workers. Synthesis conditions of 500-650°C and ...
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(2003)High concentrations of free C32bis-homohopanoic acids (up to 433 μg/g dry wt) occur in microbial mats at methane seeps in anoxic Black Sea waters. These compounds show a strong preference for the ‘geological’ 17α(H),21β(H)- ...
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(PANGAEA, 2004-07-13)Samples of under ice water were collected at 4 stations not far from the White Sea Biological Station of the Zoological Institute RAS (Chupa Inlet, Kandalaksha Bay) in April 2002. For the first time it was shown that in ...
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(2002)The principles of building an information retrieval system (IRS) for the logging and storage of the primary results of spore-pollen analysis are considered. The structure of the IRS Spore-Pollen Analysis (SPA) is described. ...
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(Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования «Пермский государственный национальный исследовательский университет», 2018)In the monograph of professor of Mineralogy and Petrography Department B.M. Osovetsky "Natural nanogold", a mineral-concentrators of nanogold, aggregates of gold nanoparticles, "aggregate" gold on the nanoscale, genesis ...
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(2004)Using hierarchic ore-formation analysis methods it is shown that thin sulfidization zones in several regions represent the formations, whose composition most fully reflects mineralogical types of polychronous and monochronous ...
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(2000)Intense magnetic remanence (100-1000 A/m) associated with MD hematite and/or titanohematite and associated with high Koenigsberger ratios (40-1000) indicate that magnetic remanence may dominate the total magnetization if ...
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(2001)Structure of rocks influences geomechanical processes in rock mass and determines methodology of geophysical instruments. Complex structure of the rocks leads to necessity to design multi-channel systems for monitoring the ...
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(2002)We used X-ray absorption spectroscopy at the Al K-edge to investigate the atomic structure of biogenic silica and to assess the effect of Al on its crystal chemistry. Our study provides the first direct evidence for a ...
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(2003)A quantitative kinetic model for the growth of the different garnet porphyroblast microstructures (type 1 and type 2) of the Western Schneeberg Complex (WSC) is presented. These porphyroblasts formed by a multiple nucleation ...
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UNROOFING HISTORY OF LATE PALEOZOIC MAGMATIC ARCS WITHIN THE "TURAN PLATE" (TUARKYR, TURKMENISTAN) (2002)Stratigraphic, sedimentologic and petrographic data collected on the Kizilkaya sedimentary succession (Western Turkmenistan) demonstrate that the “Turan Plate” consists in fact of an amalgamation of Late Paleozoic to ...
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(2003)Uncertain soil properties are often modeled as random fields. This renders the unsaturated flow equations stochastic. Determining statistics of pressure head statistics, ψ, is nontrivial, since the Richards equation is ...
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(2003)An explicit, essentially 2D solution for steady unsaturated seepage flow from infinity to a corner, with boundaries kept at constant suction, is obtained for the Kirchhoff potential by the method of separation of variables. ...
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(1989)The question as to the origin of iron-manganese nodules, which are currently the principal type of solid mineral that could be mined in the ocean (with a total reserve of about 1012 tons, has both geological-geochemical ...
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(2003)The paper presents an analytical and numerical study of two perfectly matched layer (PML) formulations for the shallow water equations in terms of the unsplit physical variables. A perturbation method followed by a change ...
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(2004)A sediment core from Lake Pichozero (61°46'; N, 37°25'; E 118m a.s.l.) provides information on the environmental and climatic conditions in southeastern Russian Karelia during the Lateglacial and early Holocene (12 800-9300 ...
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(2002)In areas that are occasionally inundated by floods, it is essential to know the quantity and density of vegetation that can be allowed while avoiding flooding beyond the intended floodplains. An unsteady flow model was ...
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(1990)In modeling any process, we desire to select the experimental data that give the best representation of the original. There have been many theories explaining the thermal conditions in the lithosphere on plates undergoing ...
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(PANGAEA, 2005-06-15)
Now showing items 16419-16438 of 39069