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Now showing items 12957-12976 of 39126
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(1999)Cavitation is proposed as a mechanism for the discrete generation of high-pressure high-temperature polymorphs in veins within meteorites and hypervelocity impact structures. Cavitation involves the inception, isothermal ...
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(Федеральное государственное бюджетное учреждение науки Институт земной коры Сибирского отделения Российской академии наук, 2017)
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(2001)Ice-sheet flow is described by the Navier-Stokes equations. We present here an analytical solution for a very simple configuration of two-dimensional ice sheet flow. It is obtained for an imposed flat surface elevation and ...
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(2001)Magnetic and cation ordering in the ilmenite-hematite solid solution (FeTiO3–Fe2O3) has been studied using in-situ high-temperature time-of-flight neutron powder diffraction. Synthetic samples containing 60 and 65% FeTiO3 ...
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(1996)Numerous studies have established that laboratory determined weathering rates are several orders of magnitude greater than rates derived from field studies at the catchment or basin scale. The laboratory rates have been ...
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(1994)Mass balance and compositional variation in the outer part of the contact aureole shows that mass transfer of the main petrogenetic components was confined to small domains of a few hundredths of mm3 in chlorite-biotite-mica ...
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(1988)We investigated double chain silicates (amphiboles), whose structures contain three octahedral positions. A shift in the frequency of the IR vibrations of the hydroxyl group at one vertex of these octahedra was used to ...
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(1988)Continuous observations of those characteristics of natural fields that were identified as likely to be useful in forecasting are being made at a network of integrated prediction stations in the geodynamic survey areas of ...
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(PANGAEA, 2017-08-15)The data set presents results from geospatial analyses of a region in Central Yamal, Western Siberia, which was affected by the construction of the Bovanenkovo railway line and by high Retrogressive Thaw Slumps (RTS) ...
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(2002)Shallow lakes in a continental, low Arctic setting are found to undergo substantial fluctuations in heavy-isotope content during the annual cycle due to extreme seasonality in water balance processes. Progressive isotope ...
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(2004)I review the short-term properties of earthquake catalogs, in particular the time and size distributions and the completeness of the early part of aftershock sequences for strong, shallow earthquakes. I determine the ...
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(1997)Previous research on the short-time dissolution behavior of kaolinitic Oxisols suggested pH-dependent kinetics involving ligand-promoted dissolution, metal readsorption, and colloidal dispersion, with soil organic matter ...
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(2004)High-precision SHRIMP zircon U-Pb dating has revealed that the Ertaibei granodiorite in eastern Junggar, northern Xinjiang, was formed at 299.3±8.7Ma, which represents the age of magma emplacement into upper crust, and ...
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(2004)Si and Mg isotopic compositions of melilite in three coarse-grained CAIs were measured by SIMS. Isotopic compositions of these elements were fractionated (1.0 to 2.9 ‰/amu for Si and 4.6 to 9.6 ‰/amu for Mg) relative to ...
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(2004)High-pressure high-temperature experiments have been carried out up to 25 GPa and 2200°C in a multianvil press on assemblages made of silicates and iron-silicon alloys. At 20 GPa, silicon is extracted from the metal phase, ...
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(2003)Quantitative determination of the abundance of Si(nAl) tetrahedral structural units (where n = 0, 1, 2, 3, or 4) through analysis of 29Si magic angle spinning nuclear magnetic resonance (MAS NMR) spectra was used to assess ...
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(2003)An analysis of the Riphean sedimentary successions along the margins of the Siberian craton, together with recent geochronological and palaeomagnetic data from Siberia, require a revision of the hypothesis that Siberia was ...
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(2002)The sialic (volcanogenic) material of the terranes in 3the Siberian fragment of a Paleoproterozoic supercontinent separated from the mantle 3.5, 3.3, 3.0, and 2.5 billion years ago. The collision zones (sutures) between ...
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(PANGAEA, 2019-09-27)TOC, TS, Water content; δ34S; Grain sizes; S/I ratio
Now showing items 12957-12976 of 39126