Sedimentary Rock

Rogich Earth Science

Formation of Sedimentary Rock①Rock becomes

sediment through weathering & erosion

②Sediment is deposited & piles up in layers

③Sediment is compacted & cemented together

Question• Discuss with your shoulder partner, what is

sediment?

Question?• Discuss with your shoulder partner, what is

sediment?• Sediment is the small pieces of rocks which are

moved through erosion.

Sedimentary Rock

3 Types of Sedimentary Rock• Clastic – rock fragments are squeezed together

Conglomerate

3 Types of Sedimentary Rock• Chemical – minerals in the rock are crystallized– ex: evaporation

FLINT

3 Types of Sedimentary Rock• Organic – dead plant

or animal material is deposited and compacted in thick layers

Question?• People at seat “D”, close your notebook and

tell your table how a sedimentary rock is formed.

Question?• People at seat “D”, close your notebook and

tell your table how a sedimentary rock is formed.

• A sedimentary rock is formed when sediment is piled in layers and cemented & compacted together.

Sedimentary Rock ID Hints• rock particles• colors of rock in layers• salt• fossils• coal• 70% of all rocks on

Earth are sedimentary

Sedimentary Rock