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ORGANISATIONAL SET UP
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alignment analysed Andaman Assistant associated bands basalt base beds block body boreholes carried Circle clay coal coalfield collected consists contain continued copper cores covered deposits depth detailed developed dips Director district Division drilling east Engineer examined exploration exposed extending fault field flows folds Formation foundation further geological Geologists gneisses grade grained granite groundwater Group hill holes India indicated island joints Laboratory length limestone located logging Long Lower mapped material mineral mineralisation Mining Nagpur observed occur officers period phyllite pits places Pradesh present Project proposed quartz quartzite range recommended recorded regional reported river rocks samples sandstone Sarvashri scale schist seams sediments Series shales shear Shri soil sq km stage strike structural studies suggested surface Survey systematic thickness tion Trap trend tunnel types units Upper valley varies veins zone