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Now showing items 13870-13889 of 39124
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(2001)Using the principles of electro-osmosis, a sub-sampling technique for clay-rich sediments is introduced that produces undisturbed thin-sections from sediment cores. The fragile sample remains in the same disposable box ...
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(PANGAEA, 2017-07-07)
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(2004)This article reports the discovery of numerous subaerial exposure surfaces which occur in the ca. 2200 Ma Kuetsjärvi Sedimentary Formation (KSF) from the Pechenga Greenstone Belt, NE Fennoscandian Shield, Russia. The ...
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(2001)In this article, we report on the results of the investigation of trace and major element contents and compositions of minerals for the representative collection of subalkaline picritic basalts from the Putorana plateau ...
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(2001)We report the data for melt and fluid inclusions from phenocrysts of subalkaline picrite basalts and tholeiitic plateau basalts from Putorana plateau, Siberian trap province. The analyses of reheated melt inclusions from ...
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(2001)In this article, we report on the results of the investigation of trace and major element contents and compositions of minerals for the representative collection of subalkaline picritic basalts from the Putorana plateau ...
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(2001)We report data for melt and fluid inclusions from phenocrysts of subalkaline picritic basalts and tholeiitic plateau basalts from the Putorana plateau, Siberian trap province. Analyses of reheated melt inclusions from the ...
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(2002)We present an analytical solution and numerical tests of the epidemic-type aftershock (ETAS) model for aftershocks, which describes foreshocks, aftershocks, and main shocks on the same footing. In this model, each earthquake ...
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(2003)Cylindrical samples of water-saturated, initially loose, St. Peter quartz sand were consolidated using triaxial deformation apparatus at room temperature, constant fluid pressure (12.5 MPa), and elevated confining pressures ...
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(1998)Upper Eocene, Oligocene, and lower Miocene units were distinguished in the Lower Cenozoic Machigar and Tumi formations of the Schmidt Peninsula, northern Sakhalin, using distribution patterns of 77 mollusk species. A ...
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(2001)The isotope geochemistry of ocean island basalts has been used to infer the presence of ancient recycled oceanic crust in the mantle. The helium isotopic ratios of basalts from HIMU sources, having high U/Pb (μ) and low ...
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(1996)The mechanism by which high-pressure metamorphosed continental material is emplaced at high structural levels is a major unsolved problem of collisional orogenesis. We suggest that the emplacement results from partial ...
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(1989)One of the important problems in studying island-arc igneous activity is that of its sources. A key problem is that of demonstrating subduction of an oceanic plate beneath an island arc and the involvement of its component ...
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(2005)Solar-type helium (He) and neon (Ne) in the Earths mantle were suggested to be the result of solar-wind loaded extraterrestrial dust that accumulated in deep-sea sediments and was subducted into the Earths mantle. To obtain ...
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(1990)Oceanic plate subduction under continental one took place as a result increase of lithospheric kinetic energy by value of order 1027 erg/year (because of the Earth rotation acceleration in 1978–1981) that caused response ...
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(2003)We perform thermo-mechanical laboratory experiments designed to explore the behaviour of the volcanic arc during intra-oceanic arc–continent collision following oceanic subduction and subsequent back-arc opening. The ...
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(2002)The most intense subduction-related anatexis in the Urals occured in the late Early Carboniferous (340-320 Ma). It is characterized by high water saturation (PH2O = 0.7 1.OPtot) of the generated melts, caused by additional ...
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(1998)For the first time, δ13C–δ15N of more than 150 diamonds of known paragenesis, originating from different localities are reported. These coupled δ13C–δ15N determinations argue against a direct formation from subducted ...
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(2003)In the Silurian-Carboniferous (440-330 Ma), the Urals was involved in suprasubduction magmatism. The following subduction-related intrusive magmatites are recognized here: 1. Volcanic, mainly high-level complexes including: ...
Now showing items 13870-13889 of 39124