Sedimentary and Metamorphic Rocks

Most sedimentary rocks are formed through a sequence of processes. In order, what are the different processes?

• erosion, depositioon, compaction, cementation

• deposition, weathering, erosion, compaction, cementation

• weathering and erosion, deposition, compaction, cementation

• weathering and erosion, deposition, cementation, compaction

Which term best describes the process by which dissolved minerals crystallize and glue particles of sediment together?

• cementation

• compaction

• erosion

• deposition

Which term best describes the process by which sediment settles out of the water or wind carrying it?

• weathering

• erosion

• deposition

• compaction

Which term best describes the process by which running water, wind, or ice carry away bits of broken-up rock?

• weathering

• compaction

• deposition

• erosion

Which term best describes the process by which sediment is pressed together?

• cementation

• weathering

• compaction

• erosion

Geologist classify sedimentary rocks according to _______.

Sedimentary rocks are further broken down into three major groups; clastic rock, organic rocks, and chemical rocks.

Which term best describes the sedimentary rock that is formed when the remains of plants and animals are deposited in layers?

• clastic rock

• organic rock

• chemical rock

State whether the following statement is true or false.

A clastic rock is a sedimentary rock formed when rock fragments are squeezed together and are grouped together according to the size of its particles.

• True

• False

Limestone can be only be classified as an organic chemical rock.

• true

• false

Throughout history, sedimentary rocks have been used for _____ and ______.