Weathering and Erosion Snapshot Project
Published on Nov 18, 2015
No Description
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PRESENTATION OUTLINE
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BY PETE RUDNICK
Definition of Erosion
The process by which water, ice, wind, or gravity moves weathered particles of rock and soil
Erosion by gravity, waterfall pulls rocks to the ground
Photo by Rennett Stowe
Roots got pulled out and took out dirt with them, leaving the ground unstable
EROSION IN MN
MINNEHAHA FALLS
EROSION
MOVING WATER- WATERFALL MOVES THE BROKEN DOWN ROCKS
EROSION
WIND- WIND BLOWS LOOSE PARTICLES OFF THE ROCK
EROSION
GLACIERS- WHEN THE ICE MELTS IT IS BASICALLY MOVING WATER
MECHANICAL WEATHERING
WATER SEEPS INTO CRACKS, THEN WHEN IT FREEZES IT EXPANDS
MECHANICAL WEATHERING
THE ROCKS WERE ALL ONE ROCK BUT NOT ANY MORE BECAUSE OF NATURAL FORCES ACTING ON THEM
CHEMICAL WEATHERING
WEARING AWAY OF ROCKS BY CHEMICAL REACTIONS
CHEMICAL WEATHERING
A CHEMICAL REACTION CREATED THESE HOLES
CHEMICAL WEATHERING
THE ROCK MIGHT BE NEAR AN OCEAN AND SALT WATER COULD HAVE CAUSED A CHEMICAL REACTION, DAMAGING THE ROCK
WEATHERING IN MN
THIS MINNESOTA ROCK WAS OXIDATED AND IT WAS A CHEMICAL REACTION
