Category: Geography
River rejuvenation
Dr. bb River rejuvenation is the renewal of the erosive activity of the river within its old valley. Read More
Chemical Weathering
Chemical weathering is a process where minerals in a rock may be converted into clays, oxidized or simply dissolved. Chemical Weathering involves processes like Conversion ... Read More
Weathering meaning in geography
Weathering is a term which describes the general process by which rocks are broken down or dissolve at the Earth’s surface into such things as ... Read More
Account for the occurrence of physical weathering in East Africa.
A Candidate is expected to: Define physical weathering Identify areas of occurrence Identify process of physical weathering Explain factors for the occurrence of physical ... Read More
Biological weathering or chelation.
Combines the effects of plant roots and other microorganisms for example Plant roots growing into the rock increase internal stresses and strains causing rock disintegration ... Read More
Processes of physical weathering in East Africa
Physical weathering is disintegration /break down of rocks into small fragments with no change in the rocks chemical composition in situ Physical weathering is common ... Read More
Granular disintegration
Granular disintegration - refers to the breakdown of rocks into tiny rock pieces/grains due to differential heating and cooling. This process affects rocks composed of different minerals (heterogeneous ... Read More
Differentiate between block disintegration and exfoliation
Block disintegration is Physical weathering process by which well jointed and well bedded rocks are broken down into smaller blocks through the process of expansion ... Read More