Summary Engineering Geology 214 - Metamorphic Rocks
These notes provide a comprehensive overview of metamorphic rocks, focusing on the processes, environments, textures, and classifications associated with metamorphism. Topics Covered: - Definition and principles of metamorphism - The three major agents of metamorphism: - Heat (geothermal gradient, magmatic intrusions, crustal friction) - Pressure and stress (lithostatic pressure and differential stress) - Hydrothermal fluids and metasomatism - Metamorphic environments including: - Burial metamorphism - Regional metamorphism - Contact metamorphism - Subduction-zone metamorphism - Pressure–temperature (P–T) relationships and metamorphic settings - Development of foliation and mineral alignment - Classification of metamorphic rocks into: - Foliated rocks: Slate, Phyllite, Schist, and Gneiss - Non-foliated rocks: Marble, Quartzite, Hornfels, and Skarn - Progressive metamorphism of shale from low-grade to high-grade metamorphic rocks - Metamorphism of basalt and the formation of Greenstone, Greenschist, Amphibolite, Blueschist, and Eclogite - Index minerals such as chlorite, biotite, garnet, staurolite, and sillimanite used to determine metamorphic grade.
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- June 16, 2026
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