Geology

  1. Metamorphism and Metamorphic Rocks
    1. Agents of Metamorphism
      1. Heat
        1. Sources of Heat
          1. Geothermal Gradient
            1. Magmatic Intrusions
              1. Friction
            2. Pressure
              1. Confining Pressure
                1. Lithostatic Pressure
                2. Differential Stress
                  1. Directed Pressure
                3. Chemically Active Fluids
                  1. Role in Metamorphism
                    1. Metasomatism
                      1. Fluid Sources
                    2. Metamorphic Processes
                      1. Recrystallization
                        1. Grain Growth
                          1. Mineral Stability
                          2. Neomorphism
                            1. Solid-State Changes
                            2. Metasomatism
                              1. Chemical Exchange
                                1. Fluid-Rock Interaction
                                2. Deformation
                                  1. Foliation Development
                                    1. Lineation Formation
                                  2. Metamorphic Textures
                                    1. Foliation
                                      1. Slaty Cleavage
                                        1. Fine-Grained
                                        2. Schistosity
                                          1. Medium-Grained
                                          2. Gneissic Banding
                                            1. Coarse-Grained
                                              1. Compositional Layering
                                            2. Non-foliated Textures
                                              1. Granoblastic Texture
                                                1. Equigranular
                                                2. Porphyroblastic Texture
                                                  1. Large Crystals in Matrix
                                                  2. Hornfelsic Texture
                                                    1. Fine-Grained
                                                3. Classification of Metamorphic Rocks
                                                  1. Foliated Rocks
                                                    1. Slate
                                                      1. Low-Grade
                                                        1. Fine-Grained
                                                        2. Phyllite
                                                          1. Low to Medium-Grade
                                                            1. Silky Luster
                                                            2. Schist
                                                              1. Medium-Grade
                                                                1. Visible Minerals
                                                                2. Gneiss
                                                                  1. High-Grade
                                                                    1. Banded Appearance
                                                                  2. Non-foliated Rocks
                                                                    1. Marble
                                                                      1. Metamorphosed Limestone
                                                                      2. Quartzite
                                                                        1. Metamorphosed Sandstone
                                                                        2. Hornfels
                                                                          1. Contact Metamorphism
                                                                          2. Anthracite
                                                                            1. Metamorphosed Coal
                                                                            2. Serpentinite
                                                                              1. Altered Ultramafic Rock
                                                                          3. Metamorphic Environments
                                                                            1. Contact Metamorphism
                                                                              1. Thermal Aureoles
                                                                                1. Hornfels Formation
                                                                                  1. Skarn Development
                                                                                  2. Hydrothermal Metamorphism
                                                                                    1. Hot Fluid Circulation
                                                                                      1. Ore Deposit Formation
                                                                                        1. Alteration Zones
                                                                                        2. Regional Metamorphism
                                                                                          1. Mountain Building
                                                                                            1. Large-Scale Deformation
                                                                                              1. Metamorphic Zones
                                                                                              2. Burial Metamorphism
                                                                                                1. Deep Burial
                                                                                                  1. Low Temperature
                                                                                                  2. Dynamic Metamorphism
                                                                                                    1. Fault Zones
                                                                                                      1. Cataclastic Rocks
                                                                                                      2. Shock Metamorphism
                                                                                                        1. Meteorite Impact
                                                                                                      3. Metamorphic Grade and Index Minerals
                                                                                                        1. Low-Grade Metamorphism
                                                                                                          1. Chlorite Zone
                                                                                                          2. Medium-Grade Metamorphism
                                                                                                            1. Garnet Zone
                                                                                                              1. Staurolite Zone
                                                                                                              2. High-Grade Metamorphism
                                                                                                                1. Kyanite Zone
                                                                                                                  1. Sillimanite Zone
                                                                                                                  2. Metamorphic Facies
                                                                                                                    1. Pressure-Temperature Conditions
                                                                                                                  3. Economic Importance of Metamorphic Rocks
                                                                                                                    1. Construction Materials
                                                                                                                      1. Dimension Stone
                                                                                                                        1. Industrial Minerals
                                                                                                                          1. Ore Deposits

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                                                                                                                        5. Weathering, Sediment, and Sedimentary Rocks

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                                                                                                                        7. Geologic Time