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Геология России: Recent submissions
Now showing items 1041-1060 of 40749
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(2006)The dense SiO2 polymorph coesite has been investigated by X-ray powder diffraction from room temperature up to 1776 K. No phase transition has been detected in this temperature interval. Thermal expansion shows little ...
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(2006)The Ordos basin on late Mesozoic exist on a tectonic heat event. Based on analysis of the measured data about a great deal of vitrinite reflectance, age of igneous rock, age of apatite fission track,this paper study the ...
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(2006)This paper deals with the characterization of a green paint layer covering ornamental stone elements in the Presbytery of Arcos de la Frontera's Chapel of Mercy (Cádiz, Spain), a 16th-century building. Optical microscopy, ...
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(2006)We investigate the tsunami hazard associated with the Perachora fault at eastern Corinth Gulf, Greece. Realistic faulting parameters are used to model expected coseismic displacements of the seafloor. This study also ...
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(2006)The upper mantle structure beneath penisular Italy is investigated through tomographic reconstruction of the P-wave velocity field down to 600 km and spatial distribution of subcrustal earthquakes. The tomographic images ...
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(2006)Based on the topography, geophysical profiles, gravity and magnetic anomalies, structural characteristics and crustal dynamic environment, the paper illustrates the epoch and diversities of the neotectonic movement in the ...
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(2006)A high resolution length-of-day data set spanning approximately the last 42 years is found to contain an oscillation with a period of 5.8 ± 0.8 years. This oscillation is interpreted to represent a normal mode of the Earth ...
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(2006)The Lonar impact crater in the Deccan Traps of the Indian peninsula provides unique opportunities to study physical and chemical processes of impact cratering on basaltic targets, because terrestrial impact craters on ...
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(2006)The drastic climatic changes which characterise the cooling trend of the last few million years of Earth history led to variations in eustatic sea level that had tremendous impact on the geology and ecology of continental ...
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(2006)Holocene reconstructions of relative sea-level (RSL) and environmental change in the coastal zone have become progressively more numerous since the importance of assessing possible future sea-level rises has become apparent. ...
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(2006)This study aims to contribute to a better understanding of the nature and evolution mechanism of interstratified clay minerals. We examined the <2 m or <0.2 size fraction of interstratified kaolinite-smectite (k-s) formed ...
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(2006)We present the first investigation performed on the seismicity of Southern Tyrrhenian Sea, off-shore Sicily with the contribution of data from broad-band ocean bottom seismometers and hydrophones (OBS/H). Off-shore data ...
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(2006)We determined the solubility limit of Pt in molten haplo-basalt (1 atm anorthite-diopside eutectic composition) in piston-cylinder and multi-anvil experiments at pressures between 0.5 and 14 GPa and temperatures from 1698 ...
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(2006)The swelling properties of a bentonite MX-80 and a Na montmorillonite obtained from MX-80 purification were analyzed as a function of relative humidity in free and constrained conditions. Gravimetric and XRD techniques ...
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(2006)Three lava flows (hereafter, flows A, B, and C) from Salina Island (Italy) consist of basaltic andesitic enclaves dispersed in a dacitic matrix. Enclaves represent 8-12 vol.% of the erupted magma. The number of enclaves ...
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(2006)This experimental study explores the petrogenesis of ureilites by a partial melting/smelting process. Experiments have been performed over temperature (1150-1280 °C), pressure (5-12.5 MPa), and low oxygen fugacity (graphite-CO ...
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(2006)Existing models of brittle shear failure are unable to account for three-dimensional deformation involving the development of polymodal sets of fractures. Motivated by field observations of contemporaneous arrays of ...
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(2006)The ~2.7 Ga Sandur Superterrane (SST), of the western Dharwar craton, is a collage of greenstone terranes having distinct lithotectonic associations; volcanic associations are prevalent. Fine-grained metasedimentary rocks, ...
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(2006)The magnetotelluric method has improved significantly in recent years and is being used in hydrocarbon exploration in regions where seismic exploration is difficult. This includes areas where high-velocity carbonates and ...
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(2006)The apparent dichotomy of Mg/Si and Al/Si ratios between terrestrial rocks and Martian meteorites has been interpreted as indicative of major differences between the terrestrial and Martian magma source regions. We suggest ...
Now showing items 1041-1060 of 40749