The types of rock: igneous, metarmorphic and sedimentaryJan 12, 2015 . Igneous; they form from the cooling of magma deep inside the earth. . Sedimentary; they are formed through the solidification of sediment. . still lower than that of the magma), the cooling process will take slowly, and crystals.what is the process of the solidification of molten rock,Three Types of Rock - Rock Formed by Cooling and Hardening .This molten rock, called magma, is like a soup of different minerals and elements. . This process, known as weathering, takes place everywhere on Earth.
what is the process of the solidification of molten rock