Origin of Continents & Oceans

Introduction to Continents and Ocean Basins Continents and ocean basins being fundamental relief features of the globe are considered as ‘relief features of the first order’. It is, therefore, desirable to inquire into their mode of possible origin and evolu­tion. Different views, concepts, hypotheses and theo­ries regarding the origin of the continents and ocean basins … Read more

Plate tectonics

  The uppermost outer solid and rigid layer of the earth is called crust. Its thickness varies considerably. It is as little as 5 km thick beneath the Oceans at some places but under some mountain ranges it extends upto a depth of 700km. Below the crust denser rocks are found, known as mantle crust. … Read more

Faulting – Fault Mountains

Here is a list of subtopics under Faulting – Fault Mountains: Active fault Aftershock Blind fault Branch fault Caldera Chaotic faulting Detachment fault Dike Dip-slip fault Drag fold Fault-block mountain Fault scarp Fjord Graben Hanging wall Horst Intraplate fault Normal fault Oblique-slip fault Reverse fault Rift valley Strike-slip fault Subduction zone Thrust fault Transform fault … Read more