Resumen: |
Introduction, general geology of rocks, field and laboratory metholds, rock-forming minerals, classification. Gneral introduction to the igneous rocks, structures and textures, stages of magmatic action, classification. The igneous rocks, continued, the rhyolite-granite clan, the trachyte-syebute. The igneous rocks, continued, the dacite-quartz-diorite clan. General remarks on the igneous rocks, chemical composition, structures, textures and minerals. Generalities regarding sedimentation, sources of materials, weathering, transportation, deposition, cementation and diagenesis. The sedimentary rocks, introduction, clays and shales, sands and other mechanical sediments, limestones, remains of organisms not limestones, chemical precipitates, general remarks on sediments, economic interest. Generalities on metamorphism, outline, factors, kinds, processes. The metamorphis rocks, the rocks produced by regional metamorphism. slates, schists, geneisses, quartzites. The rocks priduced by contact and hydrothermal metamorphism. Summaries of metamorphic rocks, determination degrees of metamorphism, compositions, origen. Calculations in rocks study, compositions, atomic and molecular proportions, alterations. Rocks descriptions, igneous, sedimentary and metamorphic |