ROCK CYCLE – SEDIMENTARY NOTES Brought to you by: Mr. Henderson.

ROCK CYCLE –SEDIMENTARY NOTES

Brought to you by: Mr. Henderson

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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

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Types of Sedimentary Rocks

Clastic – based on grain size

Very fine – clay

Fine - silt

Types of Sedimentary Rocks – Cont’d.

Coarse – sand

Moderate – Arkose

Pebble – Conglomerate

Boulder

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Chemical – due to a chemical process or organic material being present

Rock Salt

http://geology.com/rocks/rock-salt.shtml

Evaporate – due to the evaporation of water

Biochemical – organic material such as decaying flora present


Coal

Gypsum

http://geology.com/rocks/coal.shtml

Lechuguilla Cave – Gypsum Crystals

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Reactive – effervescence in presence of acid


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ROCK CYCLE – SEDIMENTARY NOTES Brought to you by: Mr. Henderson.

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