Endogenous and exogenous forces
Endogenous forces Folds Types of folds 1. Symmetrical Fold – In this, the inclination of both the arms of the fold is the same. It is also called simple fold. …
world geography
Geomorphological processes and various phenomena
Earthquake 2. Intermediate earthquake – 50-250 km. 3. Deep or underground earthquake – 250-700 km. (i) Primary or Longitudinal Waves (ii) Secondary or Transverse Waves (iii) Surface or Long Period …
DISTRIBUTION OF CONTINENTS AND OCEANS
Continental Drift Theory (Alfred Wegener), 1912 Forces of Drifting Evidence Sea Floor Spreading (Hess), 1961 Plate Tectonic Theory Type of Plate Margin Constructive/Divergent Boundary Destructive/Convergent Boundary Conservative/Transform Boundary Motion Diverge …
Geology and Rocks
Geology Relative duration of Eons ERA (Period) EPOCH (Age)(millions of years ago) Some important events in the history of life Phanerozoic Cenozoic Quaternary Holocene 0.01 Historical time Phanerozoic Cenozoic …
Origin of the earth
Various geologists have various convictions about the beginning of the Earth. It grouped into two sorts. Monistic Concept 1. (Kant’s Gaseous Hypothesis) 2.Nebular Hypothesis of Laplace ❖ Dualistic Concept 1. …