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HYDROGEOPHYSICAL EXPLORATION STUDIES IN PERIYAPATNA TALUK, MYSORE DISTRICT, KARNATAKA, INDIA.
Nagaraju D.*, Bhanuprakash H. M. and B. Gowtham
Geophysical exploration studies an essential role in understanding the earth subsurface groundwater conditions and natural process and its evaluation of the area. Periyapatna taluk is concerned with the major units of geomorphological and geological woks together and combination of knowledge base detailed work carried out and rectification to identify the groundwater potential zones to apply for electrical resistivity work into the ground As a result groundwater investigation has assumed top priority in recent years. Groundwater is usually held within porous soils or rock materials. People all around the world face serious water shortage because of the over exploitation of groundwater for domestic, industrial and agricultural purposes. Geophysics is highly helpful in assessing the groundwater potentiality of geological formations, estimated weathered zone thickness and bedrock topography, fractures in hard rock terrain. Geophysical study in groundwater investigation involves two stages: one in deep exploration and two shallow explorations. In deeper exploration, the exploring depths beyond the weathered zone of 100 or 200 m thickness in hard rock?s where as in shallow exploration, the exploring depth is 20 to 30 m thickness.[Full Text Article]