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8th Chpt 2 SCI ROCKS

8TH CHT 2 SCIENCE ROCK VOCABULARY LESSON 3and 4

QuestionAnswer
COMPACTION PROCESS THAT SQUEEZES OUT FLUIDS AND DECREASES THE SPACE BETWEEN THE GRAINS AND SEDIMENT DEPOSITS.
CEMENTATION CRYSTALLIZATION OF MINERALS FROM WATER INTO THE SPACES BETWEEN SEDIMENT GRAINS.
CLASTIC ROCK SEDIMENTARY ROCK MADE OF CLASTS OF MINERALS OR ROCK FRAGMENTS.
CLAST BROKEN PIECE OR FRAGMENT OF ROCK.
CHEMICAL ROCK MADE OF MINERALS THAT CRYSTALLIZE DIRECTLY FROM WATER
BIOCHEMICAL ROCK SEDIMENTARY ROCK THAT WAS FORMED BY ORGANISMS OR CONTAINS THE REMAINS OF ORGANISMS,
METAMORPHISM PROCESS THAT AFFECTS STRUCTURE OR COMPOSITION OF ROCKS AND THE SOLID STATE; OCCURS DUE TO CHANGES IN HEAT, PRESSURE, OR THE ADDITION OF CHEMICAL FLUIDS.
PLASTIC DEFORMATION PERMANENT CHANGE IN ROCK SHAPE CAUSED BY BENDING AND FOLDING.
FOLIATED ROCK CONTAINS PARALLEL LAYERS OF FLAT AND ELONGATED MINERALS.
NONFOLIATED ROCK HAS MINERAL GRAINS WITH A RANDOM INTERLOCKING TEXTURE.
CONTACT METAMORPHISM OCCURS WHEN MAGMA COMES IN CONTACT WITH EXISTING AND THERMAL ENERGY AND GASES INTERACT WITH THE SURROUNDING ROCK TO MAKE NEW METAMORPHIC ROCK.
REGIONAL METAMORPHISM FORMATION OF METAMORPHIC ROCK BODIES THAT ARE HUNDREDS OF SQUARE KILOMETERS IN SIZE.
EXPOSE TO APPEAR VISIBLE.
Created by: asimien907