Browsing ELibrary by Subject "quartz"
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Browsing ELibrary by Subject "quartz"
Now showing items 1-5 of 5
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(2001)Measurements of oxygen isotope fractionations between coexisting igneous titanite (Ttn) and zircon (Zrc) have been used to formulate a self-consistent, empirical calibration of equilibrium oxygen isotope partitioning: 1000 ...
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KINETICS OF THE COESITE-QUARTZ TRANSITION: APPLICATION TO THE EXHUMATION OF ULTRAHIGH-PRESSURE ROCKS (2003)The kinetics of the quartz–coesite phase transition has been studied in situ by X-ray diffraction in the 2·1–3·2 GPa, 500–1010°C pressure–temperature range. Analysis of the data within Cahn's model of nucleation and growth ...
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(2002)Oxygen isotope fractionation between synthesised zircon and water has been experimentally quantified at 700, 800, 900, and 1000°C. The results are interpolated by: Delta(zrn-H2O) = -3.70 + 2.74 +/- 0.19 x(2), where x = ...
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(2004)Pegmatite quartz from different occurrences in Norway and Namibia was investigated by a combination of ICP-MS, Electron Spin Resonance (ESR), Capillary Ion Analysis (CIA) and Gas Chromatography (GC) to quantify trace ...
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(2004)Weathering occurs over a wide range of scales. To link features through these scales is a major challenge for interdisciplinary weathering studies. Fractal approach seems to be specially useful for this purpose. We introduce ...
Now showing items 1-5 of 5