Economic Mineral Deposits |
Contents
Introduction | 1 |
Materials of Mineral Deposits and Their Formation | 18 |
Magmas Rocks and Mineral Deposits | 45 |
Copyright | |
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Common terms and phrases
acid altered anhydrite anticlines barite basin bauxite beds bodies breccia calcium carbonate chalcocite chalcopyrite Chap chemical clay coal concentration contact-metasomatic contain copper covellite crystals deposits occur depth diamond dikes district dolomite Econ enrichment erosion fault feet thick fissure veins folded formation formed galena gangue geology gold granite graphite gravels gypsum hematite hydrothermal hypogene igneous rocks ilmenite important industry intrusive iron kaolin Lake lime limestone limonite liquid lodes magma magmatic magnetite manganese materials metals metamorphism metasomatism Mexico mica miles million tons mineral deposits mining nickel origin oxidation pegmatites percent phosphate placer platinum porphyry potash precipitation production pyrite pyrrhotite quartz regions residual Russia salt sands sandstone schist sedimentary sediments Selected References shale silicates silver sodium solutions South Africa sphalerite stones structure sulphate sulphide sulphur supergene supergene sulphide supply surface Surv temperature Tertiary tion U. S. Geol United Utah volcanic wall water table weathering yield zinc zone