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Геология России: Recent submissions
Now showing items 1101-1120 of 40749
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(2006)The Eastern Southalpine Basement on the southern side of the Brixen granodiorite pluton is comprised of two rock volumes separated by a shear zone and characterised by contrasting thermo-mechanical evolutions. The first ...
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(2006)It is important method to understand provenance types, basin-range evlution and tectonic attributes through detrital composition of sandstones. The sandstone framework grains and detrital heavy minerals of Jurassic in ...
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(2006)Sorption, fixation and desorption kinetics of Cd2+ on calcium-exchanged zeolite-X were studied using an isotopic dilution technique utilizing 109Cd. The technique provided reliable measurements of time-dependent fixation ...
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(2006)In the south-eastern corner of the Tyrrhenian basin, in the central Mediterranean Sea, a tight alignment of earthquakes along a well-defined Benioff zone marks one of the narrowest active trenches worldwide, where one of ...
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(2006)We report new data on water solubility in two melt compositions representative of volcanic units of the Campi Flegrei Caldera (Italy). The first composition is a primitive shoshonite and the second one is a more evolved ...
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(2006)Zhaheba Carboniferous volcanic rocks mainly composed of basalts and basaltic andesites occur within Upper Carboniferous Batamayi Group, north of Zhaheba ophiolite in the eastern Junggar. These rocks have relatively high ...
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(2006)In the extensive area of western Inner Mongolia, China, the water demand of local residents often depends mainly on shallow aquifers, although scientific investigations of the quality and formation of the groundwater are ...
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(2006)The magnetization of sediments is acquired through complex processes involving a large number of physical, mineralogical and magnetic parameters. Despite many attempts, the degree to which these processes distort the record ...
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(2006)SHRIMP zircon U-Pb dating, mineral chemical, element geochemical and Sr-Nd-Pb-Hf isotopic data have been determined for the Yulong monzogranite-porphyry in the eastern Tibet, China. The Yulong porphyry was emplaced into ...
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(2006)The process of pressure solution is defined as the dissolution of materials under high stress at grain-to-grain contacts and precipitation at interfaces under low stress. The kinetics of this process are still poorly ...
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(2006)Volcanic pozzolans are vitreous or poorly crystallized materials rich in SiO2 and Al2O3 that react with the portlandite generated during cement hydration to yield hydrated calcium silicates and aluminates with low solubility ...
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(2006)The Dajin marine clastic rocks outcropped in the Gangriboche Mountain area, western Tibetan, which was previously regarded as a part of nonmarine molasse together with Gangdese conglomerates formed by India-Eurasia collision. ...
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VESICULATION PATH OF ASCENDING MAGMA IN THE 1983 AND THE 2000 ERUPTIONS OF MIYAKEJIMA VOLCANO, JAPAN (2006)The vesiculation of magma during the 1983 eruption of Miyakejima Volcano, Japan, is discussed based on systematic investigations of water content, vesicularity, and bubble size distribution for the products. The eruption ...
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(2006)This research work reports on the thermal and structural properties of powdered Ca-rich montmorillonite induced by mechanical deformation, which involves simultaneous compression and shear in a controlled thermodynamic ...
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(2006)Recently, a new mica phase Cs-tetra-ferri-annite has been synthesized and studied. This phase has been investigated because its high structural stability and assumed associated low leachability for Cs suggest that it may ...
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(2006)There are stratified and stratoid metabasic-ultrabasic rocks in the bottom of epimetamorphic Yunkai Group. They distribute along the northestern edge of Yunkai upwelling area, western Guangdong province, China. The metabasic ...
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(2006)We measured 87Sr/86Sr ratios on 41 olivine-hosted melt inclusions from nine Samoan basalts using laser ablation multi-collector (LA-MC) ICPMS. 87Sr/86Sr ratios are corrected for mass bias after eliminating major isobaric ...
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(2006)Eclogite was first discovered in the Lasha terrane, northeast to the Lasha City. The eclogite occurs as a 500-600 m thick belt, extending in EW for over 10 km. Most eclogites are massive, coarse-grained and fresh. Three ...
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(2006)Based on the global vector field of plate movement shown by GPS stations chosen averagely, some characteristics of present plate tectonics can be distinguished as follows: (1) from the northern Atlantic ridge to the island ...
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A CASE HISTORY OF PAROXYSMAL EXPLOSION AT STROMBOLI: TIMING AND DYNAMICS OF THE APRIL 5, 2003 EVENT (2006)On April 5, 2003, Stromboli volcano (Italy) produced the most violent explosion of the past 50 years. The event was exceptionally well documented thanks to the presence on the island of several scientists and a large number ...
Now showing items 1101-1120 of 40749