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Browsing ELibrary by Title
Now showing items 2614-2633 of 22005
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(2004)Regional seismicity is known to demonstrate scale-invariant properties in different ways. Some typical examples are fractal spatial distributions of hypocenters, Gutenberg–Richter magnitude statistics, fractal clustering ...
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(2001)The papers presented here form the Special Issue of Quaternary Science Reviews on European Quaternary Biostratigraphy. New and testable frameworks for the subdivision of Pleistocene time are proposed, based upon the evidence ...
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(2003)Coarse-grained natural jadeitite samples from Myanmar were experimentally deformed in a Griggs-type solid-medium apparatus at strain rates of 2.10-5 and 5.10-6 s-1 and temperatures of 900 and 1000 °C. The microfabrics of ...
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(2002)The transition boundaries for the graphite ↔ diamond and quartz ↔ coesite reactions are reviewed. The recommended linear transition boundaries are P (kbar) = 15 + 0.028 T (°C) for the graphite ↔ diamond transition, and P ...
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(1998)We have developed an analytical procedure to intercalibrate the 40Ar content of 40Ar/39Ar and 40K/40Ar standard minerals. This procedure is based on an unspiked volumetric standardisation method developed for K-Ar dating. ...
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(2005)Sampled from the Gangxi oil field in the Huanghua depression, Bohaiwan Basin, the crude oil He and Ar isotopic compositions and their geochemical significance were investigated. The result shows that i) the 3He/4He values ...
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(1999)A new map of earthquake hazard zonation is proposed for Sakhalin Island and adjacent offshore area in terms of maximum possible earthquakes. The map was made using a new extraregional seismotectonic method developed at the ...
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(2003)The compositions of igneous rocks from the Tuva-Mongolia massif were studied. These rocks were formed during the precollisional, syncollisional, and postcollisional stages of massif formation. The compositions of strongly ...
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(2003)Gold enrichment mechanism of ore-forming fluid is the essence of gold metallization. This paper summarizes the distinguishing symbols of mantle fluid and effect of crust-mantle structure on fluid movement. Fluid moving ...
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(2000)Data for the Altai-Sayan region were used to compare land relief, neotectonic structure, the morphology and kinematics of active faults, and seismotectonic crustal deformation to the topography of the top of a low-velocity ...
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(1997)The velocity structure of the crust and uppermost mantle beneath the DSS profile Quartz in northwestern Russia is determined using a linearized seismic tomography scheme. The analysis is performed on the northern 2200 km ...
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(2003)The Sutai Range is a structural and topographic culmination at the southeastern end of the Mongolian Altai and a world-class example of an actively forming restraining bend. The range occurs at a major stepover zone along ...
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(2004)Felsic magmatism has occurred over a large region of East Asia since Jurassic times and has provided important mineral resources such as tin, tungsten, base metals and gold. The circum-Japan Sea region preserves various ...
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(2003)We propose that the internally zoned, Li-bearing Tin Mountain pegmatite in the Harney Peak granite-pegmatite system of the Black Hills, South Dakota, crystallized from fluid-rich, compositionally complex melts at 400-350C. ...
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(2004)The existing 2D and 3D depth imaging approaches using multichannel teleseismic receiver functions (RFs) can result in significant artifacts caused by misinterpretation of signal-generated noise resulting from broadside ...
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(2001)Unravelling the underlying causes of mountain building is one pivotal issue of geotectonics. The most popular model invokes crustal thickening through horizontal, across mountain ranges, contraction of the area occupied ...
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(1988)In recent years much attention has been paid to the study of crustal movements within tectonically active regions. The present work is specially of interest since it deals with the site where one of the largest hydroelectric ...
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(2002)The Alfred Wegener Institute of Polar and Marine Research, the University of Bergen and Hokkaido University acquired new seismic refraction data along a transect from the Knipovich Ridge to the inner Van Mijenfjorden in ...
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(2002)An investigation of the teleseismic P-wave coda is performed using the single-scattering approximation. The method allows one to image short-wavelength scale (<=2 km) velocity and density heterogeneities and structures ...
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(1999)An analysis of deep crustal structure and seismicity was performed along four traverses (Bazalt, Rubin, Kvarts, and Armash-Akhaltsikhe), which cut across seismic areas, to detect differences in crustal structure between ...
Now showing items 2614-2633 of 22005