WEATHERING.pptx

The process of breaking of rocks - Humus
process called - Humification

1. WEATHERING I PG MICROBIOLOGY SRCW

2. INTRODUCTION The break down of rocks and other materials on the earth’s surface - WEATHERING

3. TYPES

4. PHYSICAL WEATHERING

5. A) TEMPERATURE

6. B)WATER

7. C)WIND CAUSES ABRASION OF EXPOSED ROCKS

8. CHEMICAL WEATHERING

9. CHEMICAL WEATHERING SOLUTION HYDROLYSIS

10. OXIDATION REDUCTION CHEMICAL WEATHERING

11. CARBONATION HYDRATION CHEMICAL WEATHERING

12. BIOLOGICAL WEATHERING Microorganisms present on rocks Lichens, bacteria, fungi In presence of moisture – the organism release Carbonic acid – corrodes the rock