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Erosion

Published on Nov 20, 2015

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PRESENTATION OUTLINE

1.

EROSION

2.

WEATHERING

  • The breaking down of rock, soils and other minerals.
  • This can happen by roots, animals and other rocks.
  • There are 3 types of weathering-chemical, mechanical and biological
  • Mechanical-can happen by wind, rain, temperature and ice.
  • Chemical-when biological chemicals break up rocks, soils and other minerals
3.

EXAMPLES OF WEATHERING

MECHANICAL-THIS IS PROBABLY WEATHERING BECAUSE OF THE ROOTS
4.

EXAMPLE OF WEATHERING

CHEMICAL WEATHERING-LICHENS WND MOSSES
5.

EROSION

  • Whenever weathering occurs erosion transports the rock fragments
  • Moves the weathered minerals to a different place.
  • Can do this by wind, water and ice.
6.

EXAMPLE OF EROSION

WIND EROSION-THE WIND IS CARRYING THE ROCK FRAGMENTS
7.

EXAMPLE OF EROSION

WATER EROSION-WATER IS CARRYING MINERALS IN/OUT THE OCEAN
8.

EXAMPLE OF EROSION

ICE EROSION-THE ICE WILL FREEZE WITH THE WEATHERED MINERALS INEIDE IT.
9.

FIELD TRIP PICTURE

10.

FIELD TRIP PICTURE

11.

FIELD TRIP PICTURE

SOIL MADE BY EROSION

Rachael Smith