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AIRBORNE MINERAL SURVEYS AND EXPLORATION WING
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analysed anomaly associated attended bands Bangalore basalt basin belt block body boreholes Calcutta carried Chemical Circle clay coal collected complex comprises construction continued core covered deposits depth detailed developed direction Director District Division drilling dyke east Engineering examined exploration exposed fault field flows folds Formation foundation Garhwal geological Geologist Jr Geophysical gneiss granite Group Headquarters held holes Hyderabad India indicated interpreted Laboratory length limestone located logging lower magnetic major mapping meeting mineral mineralisation Nagpur occurs officers phyllite Pradesh prepared present processed Project proposed Publication quartz quartzite range recorded Region reported river rock types rocks S/Shri samples sandstone scale schist sediments shale shear sheet Shri soil sq km strike structures studies suggested surface Survey thickness thin traverse trending units upto values various varying West zone