Claudiavandermerwe

I got 89% with these notes • Minerals & Mineral Classification • Plate Tectonics & Plate Boundaries • Igneous Rock Formation & Classification • Sedimentary Processes & Depositional Environments • Metamorphic Rocks & Metamorphism • South African Stratigraphy & Geological History

These notes explain the fundamentals of plate tectonics, including plate movement, plate boundaries, seafloor spreading, subduction zones, transform faults, and hotspot volcanism. The document covers how tectonic processes create earthquakes, volcanoes, mountain ranges, ocean basins, and other major geological features. Real-world examples such as the Mid-Atlantic Ridge, San Andreas Fault, Mariana Trench, and Hawaiian hotspot chain are used to illustrate key concepts. Ideal for Engineering Geolo...

Fundamentals of Plate Tectonics - Structure of Earth's lithosphere and tectonic plates - Plate movement driven by mantle convection - Global distribution of plate boundaries and deformation zones - Rates of plate motion and their geological significance. Plate Boundary Types - Divergent (Constructive) Boundaries - Formation of new oceanic crust - Mid-ocean ridges and rift valleys Seafloor spreading processes - Convergent (Destructive) Boundaries - Subduction of oceanic lithosphere ...

These notes provide an overview of mineral classification and identification, focusing on the major groups of silicate and non-silicate minerals that form the Earth's crust. The document introduces mineral structures, chemical compositions, and the key characteristics used to distinguish different mineral groups. Topics Covered: - Classification of silicate minerals based on the arrangement of silica tetrahedra - Nesosilicates (isolated tetrahedra): Olivine, Zircon, and Garnet - Soros...

These notes provide an overview of mineral classification and identification, focusing on the major groups of silicate and non-silicate minerals that form the Earth's crust. The document introduces mineral structures, chemical compositions, and the key characteristics used to distinguish different mineral groups. Topics Covered: - Classification of silicate minerals based on the arrangement of silica tetrahedra - Nesosilicates (isolated tetrahedra): Olivine, Zircon, and Garnet - Soros...

These notes provide a geological history of South Africa’s major stratigraphic units, tracing the evolution of the Kaapvaal Craton and surrounding regions over approximately 1.7 billion years. Topics Covered: - Introduction to South Africa's stratigraphic record and deep geological history - The Barberton Supergroup and the formation of some of Earth's oldest continental and oceanic crust - The Dominion Group and the earliest post-basement sedimentary deposits - The Witwatersrand ...

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: - Bu...

These notes focus on chemical, biochemical, and organic sedimentary rocks, explaining how they form from dissolved minerals, biological activity, and organic matter rather than from transported rock fragments. Topics Covered: - Differences between clastic, chemical, and biochemical sedimentary rocks - Formation of chemical sedimentary rocks through precipitation from solution - Formation of biochemical rocks through the accumulation of shells, skeletons, and biological material - Limest...

These notes provide a detailed introduction to sedimentary rocks, explaining how sediments are transformed into solid rock through diagenesis, compaction, and cementation. Topics Covered: - Formation of sedimentary rocks through lithification and diagenesis - Differences between clastic (detrital) and chemical sedimentary rocks - Grain-size classification: gravel, sand, silt, and clay - Coarse-grained sedimentary rocks including breccia, conglomerate, and diamictite - Sandstone varieti...

These notes provide a comprehensive overview of igneous rocks and intrusive magmatic processes, focusing on how magma forms, moves, cools, and crystallizes to create different igneous rock types. Key topics include: - Formation and classification of intrusive igneous bodies - Cooling rates and factors affecting crystal growth - Igneous textures (glassy, aphanitic, phaneritic, and porphyritic) - Pegmatites and the concentration of rare minerals - Volcanic glass and pyroclastic rocks suc...