Geological Processes

Studying for science because I have a B

Weathering

process - minerals are broken down/worn away over time by

natural elements like wind,

water, or living things.

purpose - shapes the Earth’s landscapes

Mechanical Weathering

the physical

breakdown of rocks without a

change in chemical

composition

Chemical Weathering (Decomposition)

change in composition/structure

of rocks/minerals through

chemical reactions, resulting with a new product

a. oxidation

b. carbonation

Biological (weathering)

breakdown of rocks

through the activities of

organisms, such as plants

and burrowing animals

Erosion

process - natural forces (wind,

water, ice) transport

rocks, soil and other

materials on Earth’s

surface.

moving air & water can

deposit these materials

in new locations.

Deposition

Deposition happens when the force that was carrying the sediment loses energy.

process - wind, water, or

ice drop off pieces of rock, soil, or

sediment in a new location.