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Browsing ELibrary by Title
Now showing items 10601-10620 of 22769
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(2003)The Magnetic Resonance Sounding (MRS) method is based on the resonance behaviour of proton magnetic moments in the geomagnetic field. The main distinction between MRS and other geophysical methods is that it measures the ...
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(1999)A renewal of seismic activity on Koryaksky Volcano was observed in 1994 since the beginning of detailed seismological observations in 1962. There are no historical descriptions of eruptions on this volcano, except for a ...
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(1996)The evolution history of fusulinids, brachiopods, ammonoids, and conodonts shows that while advancing across the Sakmarian-Artinskian boundary, all these faunal groups suffered a crisis that was followed by a peak of their ...
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(1995)A suite of peridotite xenoliths from kimberlites intruding the Siberian craton indicate the presence of lithospheric mantle over 150 km thick at 350 Ma. We report Sr-Nd isotope data for minerals from the peridotite xenoliths ...
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(2006)Detailed field evidence indicates that the Kameruka Suite plutons of the Bega Batholith, eastern Australia, grew by crystal accumulation on the floor of a magma chamber. Depositional features in the plutons, including mafic ...
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(1997)The most recent report of the AIPEA Nomenclature Committee involved the definition and use of the terms 'clay' and clay mineral'; see Guggenheim & Martin (1995;1996). Additional items acted upon by this committee are ...
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(2004)The application of spectral simulation is gaining acceptance because it honors the spatial distribution of petrophysical properties, such as reservoir porosity and shale volume. While it has been widely assumed that spectral ...
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(2003)The nature of rhythmic carbonate-rich successions such as limestone-marl alternations has been, and still is, subject to controversy. The possibility of an entirely diagenetic origin for the rhythmic calcareous alternations ...
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(2003)Fractal theory and related developments have significantly enlightened our understanding of many natural phenomena and led to an upsurge in research efforts in many different disciplines. This has unfortunately caused some ...
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(2005)In the study of selective precipitate copper slag treating process, carbon powder was added into slag and stir with inertia gas, viscosity of slag reduced so as to accelerate copper deposition. Relationship between content ...
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(2006)The Ordos basin on late Mesozoic exist on a tectonic heat event. Based on analysis of the measured data about a great deal of vitrinite reflectance, age of igneous rock, age of apatite fission track,this paper study the ...
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(1990)As a result of many years of investigations, using a method that has been extensively tested in many oil and gas regions of the USSR, the author has determined the reserves of dissolved gases in the formation waters of ...
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(2001)In order to quantify the reservoir age in Baltic Sea sediment, one sedimentary sequence from an isostatically isolated basin was subject to high-resolution AMS radiocarbon dates. Diatom analysis confirmed deposition during ...
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(2001)The National Weather Service (NWS) produces ensemble streamflow prediction (ESP) forecasts. These forecasts are used as the basis of a Sampling Stochastic Dynamic Programming (SSDP) model to optimize reservoir operations. ...
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(1996)A systematic study with laser ablation—ICP-MS, scanning electron microscopy and electron microprobe revealed that ∼70–95 wt% of REE (except Eu), Y, Th and U in granite rocks and crustal protoliths reside within REEYThU-rich ...
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(2006)Although, the kinetic reactivity of a mineral surface is determined, in part, by the rates of exchange of surface-bound oxygens and protons with bulk solution, there are no elementary rate data for minerals. However, such ...
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(2004)The resistivity of the Rb-Sr isotopic system of magmatic rocks was assayed using a fairly paradoxical approach: The examination of previously investigated metamorphosed and metasomatized rocks with disturbed isotopic ...
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(2004)We derive an explicit formula relating a recovered 3-D seismic slowness image to the actual seismic slowness under the assumption that a tomographically complete collection of finite-frequency traveltime shifts is inverted ...
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(2003)Inconsistencies between an object and its image delivered by tomographical methods are inevitable. Loss of information occurs during the survey through incomplete and inaccurate data sampling and may also be introduced ...
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(1996)Success in establishing high precision crystallization ages with the U/Pb zircon method is highly dependent on the ability to isolate or remove the effects of inherited xenocrystic components or secondary lead-loss, or the ...
Now showing items 10601-10620 of 22769