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Rock cycle –Sedimentary notes

Rock cycle –Sedimentary notes. Brought to you by: Mr. Henderson. Formation. Process of changing rocks due to… Weathering (breakdown of rock) Erosion (movement of weathered material) Compaction of these sediments and cementation with CaCO 3 or SiO 2. Types of Sedimentary Rocks.

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Rock cycle –Sedimentary notes

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  1. Rock cycle –Sedimentary notes Brought to you by: Mr. Henderson

  2. Formation • Process of changing rocks due to… • Weathering (breakdown of rock) • Erosion (movement of weathered material) • Compaction of these sediments and cementation with CaCO3 or SiO2

  3. Types of Sedimentary Rocks • Clastic – based on grain size • Very fine – clay • Fine - silt

  4. Types of Sedimentary Rocks – Cont’d. • Coarse – sand • Moderate – Arkose • Pebble – Conglomerate • Boulder

  5. Types of Sedimentary Rocks – Cont’d. • Chemical – due to a chemical process or organic material being present Rock Salt

  6. Types of Sedimentary Rocks – Cont’d. • Evaporate – due to the evaporation of water • Biochemical – organic material such as decaying flora present Gypsum Coal

  7. Lechuguilla Cave – Gypsum Crystals

  8. Types of Sedimentary Rocks – Cont’d. • Reactive – effervescence in presence of acid

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