Dictionary of Geology and Mineralogy

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Preface.Editorial Staff.How to Use the Dictionary.Pronunciation Key.Dictionary.Appendix.Equivalents of commonly used units for the U.S.Customary System and the metric system.Conversion factors for the U.S.Customary System, metric system, and International System.Some historic volcanic eruptions since the eleventh century.Principal regions of a standard earth model.Physical properties of some common rocks.Approximate composition of ore elements in earth's crust and in ores.Elemental composition of earth's crust based on igneous and sedimentary rock.Compositions of important of earth's crust and the average continental crust.The earth's layers and their seismic velocities.Some useful indicator plants in mineral prospecting.Geological column and scale of time.Minerals found in meteorites.Types of volcanic structure.Physical properties of some common rocks.Hardness, specific gravity, and refractive indices of gem materials.