Records of the Geological Survey of India, Volume 114

alignment amphibolite analysis Andhra Pradesh anomaly Asstt bands basalt bed rock belt Bihar biotite block boreholes Calcutta carried chalcopyrite chemical Circle clay coalfield comprising core Dam Project Deccan Trap depth dips Director DISTRICT Division dolomite drill holes dykes excavation exploration exposed fault foliation Formation geochemical geological mapping Geologist Jr geotechnical investigation geothermal Ghosh gneiss Gondwana grade granite gneiss grey Group Headquarters HIMACHAL PRADESH Hydel Project Hydel Scheme indicated Jammu Karnataka km long Kumar Laboratory limestone line km lineaments located logged Lucknow magnetic magnetite mapped an area mica mineralisation minerals nala occur Orissa pegmatite phyllite pits power house Pradesh proposed pyrite quartz quartzite Region river rock types S/Shri samples were collected sandstone scale schist seams sediments shale shear zone Shri siltstone Singh slate spillway sq km Srivastava strike length studies Survey of India thickness tion tonnes toposheet traverse trending upto valley volcanic