Classifying Rocks 3 rock types Sedimentary Igneous Metamorphic.

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Classifying Rocks 3 rock types Sedimentary Igneous Metamorphic

Sediment Rock fragments, minerals, or plant and animal remains that settle out of water or air

Sedimentary Rocks “that which has settled” Formed from sediments Sediments=rocks exposed to weather that have been broken down into very small pieces Formation depends on weathering/erosion Sediments packed into layers Cement together over time

Sedimentary

Sediments change into Rock by  Pressure  Cemented together by new minerals to form rock

Coal Sedimentary rock formed from remains of plants, bark roots, and other plant material that is buried and under pressure Contains NO minerals

Conglomerate Sedimentary rock with pieces of shells, rocks, minerals or other products that are larger than 2 mm cemented together with minerals.

Limestone Sedimentary rock made of shells and skeletons of ocean organisms. Over time the individual shells are no longer visible and become limestone

Sedimentary Rock and Wind Water movement: Larger sediment drops before smaller sediment Wind Direction : Cross- beds, Ripples, Mud Cracks