Sources: PowerPoint, Web, text (p. 81-82)

1. Alluvial fan: the material eroded out of a canyon that gets dumped in a fan-shape at the end of the canyon.
Bajada: the conglomeration of alluvial fans that forms a slope from the sides of mountains.
Playa: the area at the bottom of valleys that fills with water after hard rains.

2. Igneous: from melted rock that has solidified.
Metamorphic: from another rock that has been changed under heat and pressure.
Sedimentary: from sediment that has been solidified

3. Intrusive Igneous: melted rock cools underground.
Extrusive Igneous: melted rock cools above ground.