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Геология России: Recent submissions
Now showing items 1901-1920 of 43490
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(2006)The Musgrave Block in central southern Australia separates the dominantly Paleoproterozoic North Australian Craton from the Late Archean to early Mesoproterozoic Gawler Craton in southern Australia. Geochemical and Nd ...
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(2006)The rifting of continents and eventual formation of ocean basins is a fundamental component of Plate tectonics, yet the mechanism for break-up is poorly understood. The East African Rift System (EARS) is an ideal place to ...
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(2006)We analyzed mantle anisotropy along the Red Sea and across the Arabian Peninsula using shear-wave splitting recorded by stations from three different seismic networks - the largest, most widely distributed array of stations ...
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(2006)Although the East African Rift (EAR) System is often cited as the archetype for models of continental rifting and break-up, its present-day kinematics remains poorly constrained. We show that the currently available GPS ...
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(2006)Occurrence of phosphate cemented-sandstone concretions in alluvial sand containing archaeological layers implies that they have formed during the last 2000 years. Morphology and petrography of the concretions indicates a ...
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(2006)In cold regions the thermal regime is strongly affected by freezing or melting processes, consuming or releasing large amounts of latent heat. This changes enthalpy by orders of magnitude. We present a numerical approach ...
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(2006)Interpretation of the aeromagnetic survey of northeastern Cuba at scale 150 000 is presented. Mainly ophiolitic rocks are characterized by a high magnetic response. The aeromagnetic data was reduced to the pole and the ...
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(2006)Infrared spectroscopy and ion micro-probe measurements showed that the major constituent minerals of eclogites from the Kokchetav massif, which have been subducted to ~180 km depths, contain significant amounts of water ...
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(2006)The Proterozoic (950 Ma) Lyngdal granodiorite of southern Norway belongs to a series of hornblende-biotite metaluminous ferroan granitoids (HBG suite) coeval with the post-collisional Rogaland Anorthosite-Mangerite-Charnockite ...
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(2006)New radiolarian ages for blocks radiolarian cherts associated with other blocks of distal pelagic facies and ophiolitic lithologies within the Lycian Mélange, SW Turkey, indicate deposition during Mid-Jurassic to Early ...
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(2006)Recent hydrothermal Fe-oxyhydroxide precipitates (ochres) were sampled during two submersible expeditions to the NE part of the Marsili Seamount summit (SE Tyrrhenian Sea). The Marsili ochres belong to type 1 primary ...
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(2006)The magmatic processes leading to porphyry-Cu mineralization at Santa Rita are reconstructed on the basis of petrographic studies, thermobarometry, and laser-ablation inductively-coupled-plasma mass-spectrometry analyses ...
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(2006)We present new mineral and whole-rock compositions and Sr-Nd-Hf-Pb-O-H isotope data on samples from the Kangerlussuaq Alkaline Complex (~ 1000 km2) in central East Greenland, part of the North Atlantic Igneous Province. ...
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(2006)Andesitic to dacitic magmas of the Plat Pays volcanic complex (Dominica, Lesser Antilles) that erupted during the last ~100 ka equilibrated at temperatures of 800-880 °C and total pressures of 1.1-2.3 kbar. Magmatic ...
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(2006)The Küre ophiolite is interpreted as the remnants of the suprasubduction marginal basin formed on the northwardly subducted Tethyan oceanic lithosphere. The Küre Basin was opened during late Late Triassic and closed during ...
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(2006)The Popolasca-Francardo area of northern Corsica contains an assemblage of continental tectonic units affected by an Alpine deformation. In one of these units, Unit 11, previously regarded as weakly metamorphosed, a ...
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(2006)The evolution of pre-failure damage in brittle rock samples subjected to differential compression has been investigated by means of acoustic emission (AE) records. The experimental results show that the damaging process ...
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(2006)We present a detailed palaeoclimate analysis of the Middle Miocene (uppermost Badenian-lowermost Sarmatian) Schrotzburg locality in S Germany, based on the fossil macro- and micro-flora, using four different methods for ...
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(2006)During the 2001 eruptive episode three different magmas were erupted on the southern flank of Mount Etna volcano from distinct vent systems. Major and minor element chemistry of rocks and minerals shows that mixing occurred, ...
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(2006)We report the results of a geochemical study of the Jijal and Sarangar complexes, which constitute the lower crust of the Mesozoic Kohistan paleo-island arc (Northern Pakistan). The Jijal complex is composed of basal ...
Now showing items 1901-1920 of 43490