The series of processes in which rock forms, changes from one type to another, is destroyed, and forms again by geologic processes.
A naturally occurring solid mixture of one or more minerals or organic matter.
The process by which wind, water, ice, or gravity transports soil and sediment from one location to another.
The process in which material is laid down.
The chemical makeup of a rock; describes either the minerals or other materials in the rock.
The quality of a rock that is based on the sizes, shapes, and positions of the rock's grains.
intrusive igneous rock
Rock formed from the cooling and solidification of magma beneath Earth's surface.
extrusive igneous rock
Rock that forms from the cooling and solidification of lava at Earth's surface.
Layers of rock (singular, stratum).
The process in which sedimentary rocks are arranged in layers.
Describes the texture of metamorphic rock in which the mineral grains are arranged in planes or bands.
Describes the texture of metamorphic rock in which the mineral grains are not arranged in planes or bands.