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Browsing by Title
Now showing items 9359-9378 of 39124
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(2002)This paper deals with the growth behaviour of the Mn-Ca-CO3-H2O solid solution-aqueous solution system on calcite {104} surfaces. This system represents a model example, which allows us to study the effect of a number of ...
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(2003)A Raman spectroscopic investigation of the Si02-clathrate melanophlogite was undertaken to investigate enclathrated molecules. The Raman spectra show the presence of N2, CO2, and CH4, molecules based on the observation of ...
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(2004)The isotopic composition of Mo (δ97/95Mo) in seawater is ~2%% heavier than Mo in marine ferromanganese crusts and nodules [Barling et al., Earth Planet. Sci. Lett. 193 (2001) 447-457; Siebert et al., Earth Planet. Sci. ...
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(2003)New high-precision isotope ratios of dissolved Mo in seawater from different ocean basins and depths show a homogeneous isotope composition (‘mean ocean water 98Mo/95Mo’ (MOMO)), as expected from its long ocean residence ...
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(1998)We report the isotopic composition of molybdenum in twenty-three presolar SiC grains from the Murchison meteorite which have been measured by resonant ionization mass spectrometry (RIMS). Relative to terrestrial abundance ...
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(2000)The molybdenum partition between fluid phases of the composition H2O-NaCl (with NaCl concentrations ranging from 0 to 100%) and melts of natural and synthetic aluminosilicates was examined at a temperature of 800°C and ...
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(2004)This chapter summarizes the results of the first wave of examinations of Mo stable isotopes in nature. These efforts reveal large, systematic variations in Mo isotope compositions in the ocean system that are apparently ...
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(2000)Molybdenum in sedimentary rocks and sediments has evoked interest as a paleo-environmental indicator of reducing conditions. This application demands better understanding of Mo deposition mechanisms and in turn, requires ...
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(2002)A numerical modelling approach that simulates cracking and failure in rock and the associated seismicity is presented and a technique is described for quantifying the seismic source mechanisms of the modelled events. The ...
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(2002)The study of localized failure under controlled conditions can be accomplished within a laboratory setting with the University of Minnesota plane-strain compression apparatus. The device provides an opportunity to observe ...
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(1999)An investigation of the chemical composition of monazite from a number of localities has been carried out. Samples used include monazites from metamorphic rocks, granitic rocks and a hydrothermal ore deposit. The REE ...
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(2001)Monazite grains from nine different Precambrian rock samples and having concordant isotope dilution U-Pb and Th-Pb ages were used to develop and evaluate techniques for U-Pb, Th-Pb, and Pb-Pb isotopic dating using an ion ...
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(PANGAEA, 2016-03-16)The goal of this study was to examine the potential of a unique X-band SAR dataset to monitor ice phenology and bedfast ice on a number of thermokarst lakes in the Siberian Arctic. Three-year repeat-pass TSX time series ...
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(2003)Synchrotron X-ray photoelectron As 3d and S 2p spectra of gersdorffite reveal that the surface monolayer includes two types of surface anionic species, As-S dimers and As-S multimers (probably tetramers), the latter being ...
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(PANGAEA, 2002-03-06)According to monitoring data gained between 1982-1992, macrobenthos in the Tiksi Bay is characterized by low indices of the total abundance, biomass and taxonomic diversity. 30 macrobenthic species have been recorded in ...
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(2000)Monitoring of subsoil volumetric radon activity in the Paratunka geothermal field began in late October 1997. The aim of this work was to find correlation between the Rn behavior and the geodynamic environment in Kamchatka. ...
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(PANGAEA, 2011-07-27)
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(2015)Abstract Here we present the results from monitoring of the composition of rocks produced during the 2012–2013 fissure eruption at Tolbachik volcano (FTE). Major and trace element concentrations in 75 samples are reported. ...
Now showing items 9359-9378 of 39124