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COARSE & FINE AGGREGATES DEAD END: A WAY FORWARD Nandakumar 1 & K. P. Thrivikramaji 2 Scientist, Centre for Earth Science Studies, Akkulam, Thiruvananthapuram Professor Emeritus, Department of Geology, University of Kerala, Kariyavattom Campus, Thiruvananthapuram   INTRODUCTION Sand and gravel or aggregate mining is as old as the first building...