Introduction to geochemistry
Reflecting rapid changes in our knowledge of the earth's chemistry, this revision is more quantitative, gives more attention to environmental issues, and places greater emphasis on the application of geochemistry to geological problems than its predecessor. Using examples from actual field and laboratory studies, the authors give students a feeling for the application of geochemistry for many kinds of earth-science inquiry.
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acid activity albite amount anhydrite aqueous atoms basalt Ca2+ CaCO3 calcite calcium carbonate calculated CaSO4 cations Chapter chemical chemistry chieﬂy clay minerals colloidal common complex composition compounds concentration crystal decay deﬁned deposits diagenesis diagram dissolution dissolved dolomite Earth’s elements enthalpy entropy environments equation equilibrium constant example experimental feldspar ﬁ'om ﬁeld ﬁgure ﬁnd ﬁrst ﬂuid formation free energy gases geochemical geochemistry geologic granite heat hematite hydrogen hydrothermal igneous increase inﬂuence ionic strength ions isotope K-feldspar kaolinite kbar liquid magma material melting metals metamorphic metamorphic rocks mineral surface mixture molal molecules organic matter oxidation oxygen particles phase plagioclase potential precipitation processes pyroxene quartz ratio reaction redox represent rocks salt seawater sedimentary sediments silica smectite soils solid solubility solution species speciﬁc sphalerite stable structure substances sulﬁde sulfur temperature and pressure values vapor variables weathering