wearing away of the land by the action of water, ice, or wind
the tendency of a mineral to break along flat surfaces
Rock that is formed by sand and mineral particles pressed together
rock formed from cooled magma or lava
the age of a rock compared to the ages of rock layers
small particels of rock soil sand or shell depostited by water wind or ice
Rocks formed from heat and pressure
The name of the single landmass that broke apart 200 million years ago and gave rise to today's continents.
A plate boundary where two plates move toward each other.
a plate boundary where two plates move past each other in opposite directions
the perserved trace, imprint, or remains of a plant or animal
The process that forms new ocean crust
Fossils that are used to compare relative ages of fossils.
sediment is glued together by water and minerals to form rock
pressure upon layers of built up small sediments on lower layers causing lower layers to stick together and form solid rock
A plate boundary where two plates move away from each other.
the process by which sediment settles out of the water or wind that is carrying it