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Геология России: Recent submissions
Now showing items 461-480 of 40116
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(2006)The Miocene to Quaternary lavas of northwestern Syria range from basanite, alkali basalts, and tholeiites to basaltic andesites, hawaiites, and mugearites. Crustal assimilation and fractional crystallization processes (AFC) ...
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(2006)The relationships between the major terrestrial volatile reservoirs are explored by resolving the different components in the Xe isotope signatures displayed by Harding County and Caroline CO2 well gases and mid-ocean ridge ...
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(2006)Previously published platinum group element (PGE) and rare earth element data (REE) from a sample suite of the Palaeogene flood basalts of the East Greenland rifted margin are used to approximate primary magma compositions ...
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(2006)The variations of chemical and carbon isotopic compositions in gaseous hydrocarbons upon abiogenic oxidation by sulfates, hematite and both in laboratory studies were clearly demonstrated through a unique two-step experimental ...
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(2006)The Hançili bentonite from Turkey shows significant changes in surface area, micro- and mesoporosity, surface acidity and acid strength with heating from 100 to 900°C for 2 h. The specific surface area (S) and specific ...
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(2006)This work is aimed to demonstrate the feasibility of a methodology for retrieving bio-geophysical variables whilst at the same time fully accounting for additional information on directional anisotropy. A model-based ...
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GEOCHEMICAL CONSTRAINTS ON THE ORIGIN OF THE PERMIAN BAIMAZHAI MAFIC-ULTRAMAFIC INTRUSION, SW CHINA (2006)The ~260 Ma Baimazhai mafic-ultramafic intrusion is considered to be part of the Emeishan large igneous province and consists of orthopyroxenite surrounded by websterite and gabbro. The intrusion is variably mineralized ...
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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 ...
Now showing items 461-480 of 40116