Topic 9.4 Sedimantary Rocks Flashcards
Sedimentary rocks
Desposited by water and ice and settled to the bottom of a river or creek bed and under pressure
Metamophic rocks
Rock formed from another rock under great heat and
pressure
Erosion
Wearing away by wether and wind
Floodplain
Flat and open area beside a river where sediments are desposited during floods
Glaciers
Large bodies of ice that push things in front of them
Moraines
Desposit left by glacers
Mudstone
Fine grained sedimentary rock with layers
Sandstone
Medium sized grain that are cemented together with Silica and other salts
Shale
Sedimentary rock formed by the codenslilation of clay
Slitstone
Sedimentary rock with particle size of sandstone and mudstone
Conglomerate
Sedimentary rock with particles of different sizes glued together
Limestone
The remains of sea organisms
Coal
The remains of once living plants that have had pressure on it
Rock salt
Lake or sea bed that has been drained
Metamorphism
The process of rocks being changing under pressure or heat