The small solid pieces of material that come from rocks or the remains of organisms; earth materials deposited by erosion.

The process in which sediment is laid down in new locations.

The process by which dissolved minerals crystalize and glue particles of sediment together into one mass.

Anyone of several processes by which gravity moves sediment downhill (landslides, mudflows, slumps, and creep).

A type of rock that forms from an existing rock that is changed by heat, pressure, or chemical reaction.

A type of rock that forms when particles from other rocks or the remains of plants and animals are pressed together.

A type of rock that forms from cooling of molten rock at or below the surface.

The igneous rock that forms when magma hardens beneath Earth’s surface.