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25 Cards in this Set

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