Metamorphic rocks are formed when conditions underground, such as fluid, strain, heat, and/or pressure cause rocks to change or metamorphose. History Detectives Tips ...

Metamorphic rocks are dependent on the degree of melting, where complete melting "resets" the rock to magma and will then form igneous rocks when cooled. The 3 types of rocks (Credit ...

Sedimentary rocks are made up of pieces of older rocks (igneous, metamorphic, and sedimentary) and organic remains (shells, bone, etc.). When rocks break apart from erosion they are transported by ...

There are three main rock types: igneous, sedimentary and metamorphic. These rocks are made of minerals that all have different characteristics. Some will melt into magma or lava – super-hot ...