Browsing ELibrary by Subject "QUARTZ"
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Browsing ELibrary by Subject "QUARTZ"
Now showing items 21-30 of 30
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(2006)Quartz cementation is a major parameter controlling the reservoir properties of the Middle Cambrian quartz arenites of the central and western parts of the Baltic Basin. Marked local variations in the porosity and permeability ...
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(2003)The microboudin method for palaeo-stress analysis is mathematically refined by incorporating the recently proposed shear-lag model, which describes the relationship between stress distribution along a fibre embedded within ...
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(2006)The reactivity of colloidal particles is regulated by their surface properties. These properties affect the wettability, flocculation-dispersion characteristics, ion exchange, sorption capacities and transport of inorganic ...
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(2003)Silicon diffusion was measured in natural quartz and anorthitic feldspar under dry, low-pressure (0.1 MPa) conditions using a 30Si tracer. Sources of diffusant consisted of 30Si-enriched silica powder for experiments on ...
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(2001)We apply single-aliquot optically stimulated luminescence (OSL) dating to quartz- and feldspar-rich extracts from fluvial channel deposits of the Rhine-Meuse system in The Netherlands. The time of deposition of these ...
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(2006)The influence of Al(OH)4- on the dissolution rate of quartz at pH 10-13 and 59-89 °C was determined using batch experiments. Al(OH)4- at concentrations below gibbsite solubility depressed the dissolution rate by as much ...
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(2003)Pure quartz arenites are especially characteristic of lower Paleozoic and Proterozoic strata deposited in nonorogenic settings. A century-long debate over the origin of these remarkably pure sandstones has remained unresolved, ...
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(1998)We describe a laser fluorination technique specifically for quartz that allows both high-accuracy and high-precision determination of oxygen isotope ratios, regardless of grain size. The rapid heating, defocused beam ...
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(2001)The structural behavior of stuffed derivatives of quartz within the Li1−x Al1−x Si1+x O4 system (0 ≤ x ≤ 1) has been studied in the temperature range 20 to 873 K using high-resolution powder synchrotron X-ray diffraction ...
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(2006)В статье приведен обзор современного состояния проблемы образования хрусталеносных пегматитов. Рассмотрена геология камерных пегматитов района Верхнешибановского (Приморье) олово-вольфрамового россыпного месторождения с ...
Now showing items 21-30 of 30