Rock Types
Igneous, sedimentary and metamorphic rocks at a glance.
Igneous rocks crystallise from melt. Sedimentary rocks form by deposition and lithification. Metamorphic rocks are transformed by heat, pressure and fluids without wholesale melting.
Igneous, sedimentary and metamorphic rocks at a glance.
Igneous rocks crystallise from melt. Sedimentary rocks form by deposition and lithification. Metamorphic rocks are transformed by heat, pressure and fluids without wholesale melting.