By:Kyle

A mountain made up mostly of rock layers

A mountain made by huge tited blocks of rocks.

The breaking down of rocks into smaller rocks 

The picking up and removal of rock particles.

A mixture of weathered rock decayed plant and animal matter.

material in soil formed by the breaking down of plants and animal  

Any layers of soil from the surface

Water that soaks into soil and rock.

The downhill movement of earth material.

the dropping off of sediment.

A huge sheet of ice.

Sediment deposited by a glacier.

A deposit of many sizes of sediment in front of a glacier.

A naturally occurring solid in earths crust.

When lava cools and hardens.

Rock that forms from other rock.

A rock that forms from rock types.

A never ending cycle.

A series or rock.

The age of rocks.

A listing of rocks from youngest to oldest 

Anything that is preserved in the Earth's crust

A fossil that has not been there for a long time.

The half time a rock takes to decay. 

The age of a rock in years as determined by measuring the decay rate.

One of the four long stretches of time in earth's history.