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ROCKS.

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Presentation on theme: "ROCKS."— Presentation transcript:

1 ROCKS

2 USES ELECTRICITY CONSTRUCTION FLOORING MONUMENTS COARSE SOAP ROADS
CHEWING GUM!!!

3 CHARACTERISTICS NATURAL SOLID MIX OF MINERALS/GRAINS
CHANGE DUE TO EARTH’S PROCESSES CLASSIFY -TEXTURE: SIZE AND ARRANGEMENT OF GRAINS AND FORMATION -COMPOSITION: TYPE OF MINERALS/GRAINS IN ROCK

4 ROCK TYPES IGNEOUS -MAGMA/LAVA COOLS AND CRYSTALLIZES SEDIMENTARY
-SEDIMENT (BREAKING DOWN OF ROCKS DUE TO EARTH’S FORCES) IS ADDED TO LANDFORM METAMORPHIC -EXPOSED TO HIGH TEMPS AND PRESSURE

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6 ROCK CYCLE ONE ROCK CAN CHANGE INTO ANOTHER ROCK DUE TO FORCES ON EARTH’S SURFACE AND WITHIN EARTH LAYERS

7 IGNEOUS LAVA COOLS FORMS SMALL CRYSTALS (EXTRUSIVE)
MAGMA COOLS FORMS LARGE CRYSTALS (INTRUSIVE) I.D. -CRYSTAL SIZE -MINERAL CONTENT AFFECT COLOR

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9 SEDIMENTARY SEDIMENT DEPOSITS ARE COMPACTED AND CEMENETED TOGETHER FROM EROSION AND WEATHERING I.D. -CLASTIC (BROKEN PIECES OR ROCK/MINERAL) SIZE AND SHAPE -CHEMICAL (DISOLVING MINERALS FROM WATER) -BIOCHEMICAL (FOSSILS)

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11 METAMORPHIC CHANGE DUE TO PRESSURE AND HEAT I.D.
-FOLIATED (FLAT LAYERS OF MINERALS) -NONFOLIATED (RANDOM ARRANGEMENT OF MINERALS)

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