FORM WHEN MAGMA OR LAVA COOLS AND HARDENS TO BECOME SOLID.

WHEN MAGMA PUSHES INTO SURROUNDING ROCK BELOW EARTHS SURFACE.

FORMS WHEN LAVA ERUPTS, OR EXTRUDES INTO EARTHS SURFACE.

FORM FROM OLD ROCKS PRESSING TOGETHER AND CEMENTED TOGETHER.

SEDIMENTS ARE BARIED,COMPACTED,AND CEMENTED TOGETHER.

FORM WHEN WATER, USUALLY SEAWATER, EVAPORATES.

FORM FROM THE FOSSILS OF ONCE LIVING PLANTS AND ANIMALS.

FORMS WHEN HIGH TEMPERATURE AND PRESSURE CHANGE THE TEXTURE.

CONTRACT METAMORPHISM IS CAUSED BY HEAT.

REGIONAL METAMORPHISM IS CAUSED BY PRESSURE.

FORMS WHEN PRESSURE CAUSES THE MINERAL GRAINS TO FORM BANDS.

COMMONLY MADE OF ONE OR ONLY A FEW MINERALS.