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25 Cards in this Set
- Front
- Back
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GRAVEL, SAND, AND CLAY CARRIED FROM GLACIERS BY MELTING WATER AND STREAMS.
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OUTWASH PLAIN
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A FOSSIL CREATED BY A PRINT OR IMPRESSION.
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IMPRINT
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A HARD LAYER OF CLAY AND MINERALS THAT LIES BENEATH TOPSOIL.
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SUBSOIL
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ROCK FORMED FROM BITS OR LAYERS OF ROCKS CEMENTED TOGETHER.
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SEDIMENTARY ROCK
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A BREAK IN EARTH'S OUTER LAYER CAUSED BY THE MOVEMENT OF ROCKS.
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FAULT
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AN ISOLATED BOULDER LEFT BEHIND BY A GLACIER.
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ERRATIC
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LEFTOVER DECOMPOSED PLANT AND ANIMAL MATTER IN THE SOIL.
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HUMUS
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"FIRE-MADE" ROCK FORMED FROM MELTED ROCK MATERIAL.
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IGNEOUS ROCK
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THE END, OR OUTER MARGIN, OF A GLACIER WHERE ROCK DEBRIS ACCUMULATES.
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TERMINUS
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THE DARK, TOP LAYER OF SOIL, RICH IN HUMUS AND MINERALS,IN WHICH MANY TINY ORGANISMS LIVE AND MOST PLANTS GROW.
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TOPSOIL
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A NATURALLY OCCURRING SUBSTANCE, NEITHER A PLANT NOR AN ANIMAL.
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MINERAL
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A FOSSIL CLEARLY SHOWING THE OUTSIDE FEATURES OF THE ORGANISM.
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MOLD
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MOVEMENT OR VIBRATION IN THE ROCKS THAT MAKE UP EARTH'S CRUST.
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EARTHQUAKE
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HARDENED TREE SAP, YELLOW TO BROWN IN COLOR, OFTEN A SOURCE OF INSECT FOSSILS.
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AMBER
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AN UNSORTED MIXTURE OF ROCK MATERIALS DEPOSITED AS A GLACIER MELTS.
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GLACIAL TILL
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A LAYER OF SOIL DIFFERING FROM THE LAYERS ABOVE AND BELOW IT.
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HORIZON
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ROCK DEBRIS CARRIED AND DEPOSITED BY A GLACIER.
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MORAINE
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THE AGE OF SOMETHING COMPARED TO THE AGE OF ANOTHER THING.
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RELATIVE AGE
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A VERTICAL SECTION OF SOIL FROM THE SURFACE DOWN TO BEDROCK.
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SOIL PROFILE
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A NEVER-ENDING PROCESS BY WHICH ROCKS ARE CHANGED FROM ONE TYPE TO ANOTHER.
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ROCK CYCLE
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ANY OF THE TINY GAPS BETWEEN SOIL PARTICLES, USUALLY FILLED WITH WATER AND AIR.
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PORE SPACE
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THE RATE AT WHICH WATER CAN PASS THROUGH A MATERIAL.
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PERMEABILITY
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A LARGE MASS OF SNOW AND ICE THAT SLOWLY MOVES DOWNWARD AND OUTWARD OVER THE LAND.
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GLACIER
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A FOSSIL FORMED OR SHAPED WITHIN A MOLD.
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CAST
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ROCK WHOSE FORM HAS BEEN CHANGED BY AND HEAT AND/OR PRESSURE.
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METAMORPHIC ROCK
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