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8th Chpt 2 SCI ROCKS
8TH CHT 2 SCIENCE ROCK VOCABULARY LESSON 3and 4
Question | Answer |
---|---|
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. |