SEDIMENTARY ROCKS

MINERAL OR ROCK FRAGMENTS OR MATERIAL OF ORGANIC ORIGIN ARE ERODED OR DISSOLVED AND THEN DEPOSITED IN LAYERS AT EARTH'S SURFACE

CRUCIAL FACTORS:

SOURCE ROCK FROM WHICH SEDIMENT DERIVED

TRANSPORT MECHANISM (WIND, WATER, ICE)

SITE OF DEPOSITION (RIVER, LAKE, OCEAN, DESERT)

PLATE TECTONIC SETTING

SEDIMENTS ARE ONLY 5% OF EARTH'S CRUST, BUT ARE THE MOST COMMON SURFACE ROCKS, RECORD EARTH HISTORY, AND ARE VALUABLE FOR RESOURCES (oil, gas, coal, building material)