Rocks wordbank Crossword

Substances that make up rocks. Each has its own chemical make-up
A very hot mixture of molten rock and gases.
The gradual destruction or diminution of something
A measure of how difficult it is to scratch the surface of a solid material
Geometrically-shaped substance made up of atoms and molecules.
Any remains, impression, or trace of an animal or plant of a former geological age
An idealised cycle of processes undergone by rocks in the earths crust involving igneous intrusion
Magmatic rock is one of the three main rock types
Rocks formed from sediments deposited by water, wind or ice
Rocks formed by another rock that has been under great heat or pressure