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Browsing ELibrary by Title
Now showing items 9545-9564 of 21934
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PRIMARY TRAPPED MELT INCLUSIONS IN OLIVINE IN THE OLIVINE-AUGITE-ORTHOPYROXENE UREILITE HUGHES 009 (2001)We describe the first known occurrence of primary melt inclusions in a ureilite. The ureilite is Hughes 009, one of a small number of ureilites whose primary mineralogy is olivine-augite-orthopyroxene, rather than ...
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(2003)This paper reviews work on primitive silicate melt inclusions in basalt phenocrysts and evaluates its significance. Primary melt inclusions are small quantities of silicate melt included in minerals during coarsening, ...
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(2005)This paper presents the results of the paleomagnetic studies of the Naroch and Svir lake bottom deposits in Belorussia. The objects of study were nine columns of lake-floor sediments, totaling 6.50 m in thickness, collected ...
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(1989)One of the tasks of the 'Lithos' project is to identify the global relationships between the geochemical features of igneous rocks and the structural type of the lithosphere, as well as its geological history. Provided ...
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(1990)A wide range of tectonomagmatic phenomena in zones of plate interaction depends on the physical state of the mantle (or of its top 700-km layer), and especially on the rheology of its asthenospheric and subasthenospheric ...
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(2004)The Pripyat Trough is situated in the East-European Platform and is a part of the more extensive system of the Sarmatian-Turanian lineament. It is one of the most thoroughly drilled and seismically investigated oil-bearing ...
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(2003)We report the results of a study of 81 micrometer-sized presolar SiC grains in the size range 0.5-2.6 μm from the Murchison (CM2) carbonaceous chondrite. We describe a simple, nondestructive physical disaggregation technique ...
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(2005)Род Pristiograptus в странах Балтии встречается в интервале cyphus - ultimus - parultimus. Максимальное видовое разнообразие пристиограптид наблюдается в верхневенлокских зонах nassa - ludensis. В этом интервале присутствуют ...
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(2003)The analytic resource assessment method, called ACCESS (Analytic Cell-based Continuous Energy Spreadsheet System), was developed to calculate estimates of petroleum resources for the geologic assessment model, called ...
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(2002)The probabilistic river stage forecast (PRSF) specifies a sequence of exceedance functions {n:n=1,...,N} such that n(hn)=P(Hn>hn), where Hn is the river stage at time instance tn, and P stands for probability. The probabilistic ...
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(2002)Prior to excavation, any point in a rock mass is subjected to stress, which has to be considered in the overall stress distribution after the excavation work is completed. Over the past three decades, empirical, analytical, ...
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(2001)Problems connected with rock burst hazard have been considered. Mathematical model of rock burst hazard has been developed. The model makes it possible to calculate risks of rock bursts. In this case, geodynamic hazard can ...
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(2004)We have developed a method for the Bayesian location of seismic sequences in 3D heterogeneous velocity models. The method is based on a Bayesian algorithm for single earthquake location. Joint location of seismic sequences ...
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(2004)We applied Sambridge's Neighbourhood Algorithm (NA) to degree-8 fundamental mode Love and Rayleigh wave phase velocity maps between 40 and 150 s to find models of radial anisotropy in the upper 220 km of the mantle. The ...
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(2004)The presence of radial anisotropy in the upper mantle, transition zone and top of the lower mantle is investigated by applying a model space search technique to Rayleigh and Love wave phase velocity models. Probability ...
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(2001)A portion of a sedimentary basin is subdivided conceptually into hexagons of equal area. The area of each hexagon is equal to the minimum area an oil field should have to be commercial. Hexagons can be 'full' of oil or ...
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(1990)To ascertain the possible generation depth of the El'dzhurta granite magma, we determined the strontium-isotope composition of granite and plagioclase from different levels in the pluton. For this purpose, granite samples ...
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(2004)Study of the impact of charged particles, ultra-violet radiation with different wave lengths, and other space energy sources on the abiogenic synthesis of biologically significant compounds (BSC) is closely related to ...
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(1997)Seeded fluorite crystal growth experiments were performed at three different ionic strengths, using a constant addition method and NaNO3 as background electrolyte. By varying the fluorite seed concentration, growth rates ...
Now showing items 9545-9564 of 21934