FORMS WHEN MAGMA OR LAVA COOLS AND HARDENS TO BECOME SOLID

WHEN LAVA COOLS BENEATHTHE EARTHS CRUST

WHEN LAVA COOLS ABOVE THE EARTHS SURFACE

FORMS FROM SEMEMTATION AND COMCERTETATION

FORMS WHEN SEDIMENTS ARE BURIED, COMPACTED AND CEMENTED TOGETHER

FORM WHEN WHEN WATER -USUALLY SEA WATER- EVAPORATES

FORMS FROM THE REMAINS OR FOSILS OF ONCE LIVING PLANTS AND ANIMALS LS

EXPOSED TO A HIGH TEMPERATURE AND PRESSURE

PRESSURE CAUSES THE MINERAL GRAINS TO REALIGN TO FORM PARALLEL BANDS

DO NOT HAVE MINERAL GRAINS THAT ARE ALIGNED IN PLANES OR BANDS