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Now showing items 7676-7695 of 39004
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(2002)1] We use mantle and inner core sensitive normal modes to invert for laterally varying mantle models and a transversely isotropic inner core. To obtain an inner core model that is compatible with long-period mode and ...
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JOINT INVERSION OF NORMAL MODE AND BODY WAVE DATA FOR INNER CORE ANISOTROPY 2. POSSIBLE COMPLEXITIES (2002)In this study we focus on inner core sensitive body wave data to investigate lateral and radial heterogeneity within the inner core. Normal mode data are used to constrain a global model and to monitor if complexities ...
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(2002)The method of Surface Nuclear Magnetic Resonance (SNMR) provides a very new technology to directly determine subsurface water distribution. The microscopic magnetization of water molecules is used to derive water content ...
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(2004)We develop a quantitative methodology to interpret jointly in‐situ transient‐pressure and dc resistivity measurements acquired in a hypothetical water injection experiment, with the goal of displacing oil in a hydrocarbon‐bearing ...
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(2003)The goal of this work was to study a contaminated soil due to a gasoline spill produced by fissures in a concrete purge chamber located along a gas transmission line. A monitoring well drilled 16 m down gradient from the ...
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(2001)Characterization of 'critical flaws' that initiate into systematic joints is essential for understanding the process of fracturing in sedimentary rocks. In this study, advantage is taken of the well-developed surface ...
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(2001)Over 18,000 joint orientations were measured from a spectrum of lithologies of various ages at natural exposures in the Central Kyzyl Kum region. For each exposure, we plotted joint orientation diagrams and identified local ...
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(2001)July mean temperature and annual precipipation during the last 9900 cal. yr BP were recon structed from pollen assemblages preserved in a sediment core from northern Finland. Quantitative recon structions were performed ...
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(2002)Structural features and composition of Jurassic deposits in the Kafan tectonic block that is located in the southeastern part of the Lesser Caucasus are considered. Three carbonate members bearing foraminifers are distinguished ...
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(2004)The study is devoted to Jurassic gastropods of the Central and Central Chernozem regions of Russia. Thanks to the exact locality data on the collected material, the stratigraphic ranges of many species were refined. Several ...
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(2004)A caddisfly Dolophilodes ( Sortosella ) shurabica subgen. et sp. nov. (Philopotamidae) is described from the Jurassic of Kyrgyzstan, from the Sai-Sagul locality. The ecology and taphonomy of this locality are analyzed, and ...
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(1999)The latitudinal models of radiolarian paleogeographic provinces are considered, and Late Jurassic boreal radiolarian assemblages of Russia are characterized. Several Jurassic radiolarian assemblages from the Koryak Upland ...
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JURASSIC TRACHYBASALT-COMENDITE-ALKALI GRANITE VOLCANO-PLUTONIC ASSOCIATION OF EASTERN TRANSBAIKALIA (1989)Alkali basalt-comendite associations are a typical rock type of rift-generated structures and are known both in continental regions (the Basin and Ridge Province of the U.S., and in Mongolia) and in island-arc regions ...
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(2002)Geologic and paleomagnetic research in the western part of the Omolon massif and in the Sugoi folded zone, northeastern Russia, suggests significant lateral displacements of these units relative to one another and with ...
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(Федеральное государственное бюджетное образовательное учреждение высшего образования «Санкт-Петербургский горный университет», 2018)The article discusses the issues of justifying the data volume for a petrophysical description of an object based on the results of traditional laboratory measurements, as well as X-ray tomography data processing. A new ...
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(2004)This communication presents estimates of the magmatogenic CO2 influx into the atmosphere at the Permian-Triassic boundary during STP Siberian trap province formation.
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(1990)The 3He/4He in materials derived from the mantle is decreasing in the course of time and approaches the radiogenic value during {approx equal} 1 Ga. Some minerals, however, trapped volatiles, including He, and preserve ...
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(1992)The important geodynamic parameter, the ratio in rocks and fluids of the continental crust, is generally decreasing from the mantle values (≅10−5) to the radiogenic ratio (≅10−8) on the time scale of about 1 Ga or less. ...
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(2003)The He isotopic composition was studied in Archean enderbites, aluminous gneisses, and alkaline granites of the Kola Peninsula. It was shown that enderbites formed after intrusive protoliths during their granalite metamorphism ...
Now showing items 7676-7695 of 39004