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Exam 3 Review

Exam 3 Review. Sedimentary Rocks: clastic rocks- shale, siltstone, sandstone (various types), conglomerate/breccia; biochemical-limestone; chemical- sulfates and chlorides, dolomite, banded iron formation (BIF) Mechanical and chemical weathering, plus transport (erosion)

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Exam 3 Review

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  1. Exam 3 Review • Sedimentary Rocks: clastic rocks- shale, siltstone, sandstone (various types), conglomerate/breccia; biochemical-limestone; chemical- sulfates and chlorides, dolomite, banded iron formation (BIF) • Mechanical and chemical weathering, plus transport (erosion) • Long and short transport systems • Continental shelf, slope, rise, and abyssal plain • Active and passive continental margins • Bedding features • Types of basins • Indices of maturity; mineralogy, roundness and sorting • Porosity, permeability, compaction, cementation • Diagenesis

  2. Exam 3 Review • Biochemical sedimentary rocks – limestones • Carbonate secretion – shells, corals, etc. • Carbonate compensation depth (CCD) • Micrite, oolitic limestone, fossiliferous limestone • Chemical sedimentary rocks- Gypsum and salts – salina, sabkha, deep-water models • Banded iron formation – Fe transport, oxidation, deposition, age and importance for interpretation of Earth’s atmosphere

  3. Exam 3 Review • Chemical Weathering: hydrolysis, hydration, carbonation, solution, oxidation-reduction • Calcite solubility relationships: pH, equilibrium constants • Goldich’s stability series • Clay mineral genesis

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