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Soil Formation Process

Published on Nov 18, 2015

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PRESENTATION OUTLINE

SOIL FORMATION PROCESS

BY: LEE PORTER & SHERIDAN MILLER
Photo by djwtwo

WHAT IT IS.....

THE PROCESS IN WHICH SOIL IS FORMED

5 PROCESSES

LEACHING

AS WATER WASHES THROUGH THE SOIL IT CARRIES AWAY CHEMICALS

ELUVIATION

LARGE PIECES OF DIRT OR CLAY ARE WASHED AWAY WITH WATER

ILLUVIATION

DIRT AND CLAY ARE DEPOSITED

PODZOLIZATION

ACID IN SOIL BREAKS DOWN MINERALS

GLEYING

WHEN IRON COMPOUNDS ARE REDUCED OR REMOVED

WHERE THEY ARE MOST...

  • Gleying---> marshy areas
  • Illuviation---> near rivers or lakes
  • Eluviation---> near rivers or lakes
  • Podsolisation---> near upland heaths & moors
  • Leaching---> anywhere where water is accessible