Category: Geomorphology

Chemical Weathering 0

Chemical Weathering

Chemical weathering:  Decomposition and disintegration of rocks due to chemical reaction is called chemical weathering. the gaseous component of the atmosphere like oxygen, carbon-di-oxide, water vapour react with the minerals of rocks and changes...

Physical Weathering 1

Physical Weathering

In physical weathering, rocks are disintegrated due to rain water, temperature, frost etc. without changing any chemical composition of the rocks.

Weathering 0


The word weathering is derived from weather. When the rocks are disintegrated and decomposed due weather elements such as water, temperature, wind, is called as weathering. Weathering is a static process, it means that...

Cycle of Erosion By L.C. King 0

Cycle of Erosion By L.C. King

L.C.King or Lester Charles King was a South African Geomorphologist. He explained the evolution of south African landscape through a cycle of erosion. He stared his study over the arid, semi arid and savana...


Cycle Of Erosion By Penck

Introduction:  German scientist Walther Penck rejected the Davisian model of Geomorphological cycle based on time. He presented his own model of ‘Morphological system’ or ‘Morphological Analysis’ for the explanation of landscape development.      Penck criticised...

Cycle of Erosion by W.M.Davis 0

Cycle of Erosion by W.M.Davis

William Morris Davis was born in 12th February, 1850 at Philadelphia, Pennsylvania, into a prominent Quaker family. He was an American Geomorphologist. He had sound knowledge over geography, geology and meteorology, thus called him...

Tidal Hypothesis of James Jeans 0

Tidal Hypothesis of James Jeans

Sir James Jeans,  a British scientist, propounded  his Tidal hypothesis to explain the origin of the earth in the year 1919, while another British scientist, Harold Jeffreys,  suggested modifications in the Tidal Hypothesis in...

Planetesimal Hypothesis Of Chamberlin & Moulton 0

Planetesimal Hypothesis Of Chamberlin & Moulton

         T.C.Chamberlin, a geologists, in collaboration with Forest  Ray Moulton, an astronomer postulated a new hypothesis called Planetesimal Hypothesis in 1905. It not only explains the origin of the earth, but, also...

Inter Stellar Dust Hypothesis 0

Inter Stellar Dust Hypothesis

  Otto Schmidt,  A Russian scientist proposed his Inter stellar dust hypothesis in 1943, to explain the complex problem of the origin of the earth and the solar system. According to him, the earth and...

Supernova Hypothesis Of Hoyle 0

Supernova Hypothesis Of Hoyle

F.Hoyle, a mathematician of Cambridge University presented his speculative theory known as Supernova Hypothesis in the year 1946. Supernova Hypothesis is based on the principles of ‘Nuclear Physics’ and was described in his essay...