GL1CRT01:METHODOLOGY AND PERSPECTIVES IN GEOLOGY
Unit I Geosciences- introduction to various branches - Physical Geology,Geomorphology, Mineralogy,Structural Geology,Petrology,Global
tectonics,Palaeontology,Stratigraphy,Engineering Geology,Marine Geology,Geochemistry,Applied Geophysics, Geochemistry, Hydrogeology, Meteorology,Oceanography,RemoteSensing,EnvironmentalGeology, Disaster Managementand Economic Geology.
Theconceptof rockcycle. (6Hrs)
Unit II Theories of origin ofEarth. Earth - Shape,size, age androtation.Internalstructureof
earth; crust,mantle, core; densityand chemicalcomposition;major seismic discontinuities. Basic
Concepts ofGeologicalTime Scale. (6Hrs)
Unit III Endogenicprocesses: Plate Tectonics. Continental drifthypothesis andSea floor
spreading-evidences. Lithosphericplates,typesofplateboundaries, plate movements
andassociatedgeological features,mid-oceanridges, rift valleys,trenches,transformfaults, islandarcs,
volcanic arcs, Benioff zones, mantle plumes, aseismic ridges. Mountains-Types and origin. Isostasy. (10 Hrs)
UnitIV Volcanoesand theirclassification. Volcaniceruption- types,products,effects.Global
distributionofvolcanoes. (6 Hrs)
UnitV Earthquakes - types and causes,propagation ofseismic waves, focus and epicenter,elastic reboundtheory,seismographandseismogram.Intensityandmagnitudeofearthquakes,effectof earthquakes, seismicbeltsoftheworld,Earthquake hazardzonation of India.
- Teacher: AnishA U