87°0'0"E 87°15'0"E 87°30'0"E 87°45'0"E 88°0'0"E 88°15'0"E DISTRICT BURDWAN HYDROGEOLOGICAL MAP 24°0'0"N 24°0'0"N and Jharkh ± A Murshidabad joy Salanpur Ri Barabani ver District 23°45'0"N 23°45'0"N Jamuria Ketugram-I Birbhum Ketugram-II Asansol Pandabeswar Nadia District District Raniganj Puruliya District Ondal Faridpur Durgapur Katwa-I Katwa-II Mangolkote D Kanksa Ausgram-II Purbasthali-II 23°30'0"N am 23°30'0"N o da Ausgram-I r R iv er Bhatar Bankura Manteswar Purbasthali-I District Galsi-I Legend Galsi-II Burdwan-I Kalna-I 23°15'0"N River Memari-II Scub- District 23°15'0"N Burdwan-II District Boundary Kalna-II Khandaghosh Memari-I Sub-District Block Boundary Raina-I Rock Type Jamalpur Sand,silt,clay 23°0'0"N Raina-II 23°0'0"N Clay altemating with silt and sand Clay with caliche concretion Hugli District Laterite Very coarse sandstone 22°45'0"N 22°45'0"N Red shale,sandstone Fine grained sandstone,siltstone with coal seams 0 5 10 20 30 40 Micaceous shale,sandstone Kilometers Gritty pebbly sandstone with coal seams 22°30'0"N 22°30'0"N Sandstone,conglomerate Granite gnelss and migmatite Projection & Geodetic Reference System:GCS,WGS 1984 Symbol Rock Type Age Lithology Aquifer Description Hydrogeology 22°15'0"N 22°15'0"N Upper mature deltic plain & Moderate yield prospects, Sand, silt and clay with Upper pleistocene to Fairly thick & regionally paradeltaic flood surface 50m - 150 cum/ hr caliche concretion upper holocene extensive confiend / unconfined aquifer down to 300m Large yield prospects, Laterite, coarse sand Upper mature deltic plain & Fairly thick & regionally Cainozoic 50m - 150 cum/ hr stone, silt and clay paradeltaic flood surface extensive confiend / unconfined aquifer down to 300m 22°0'0"N 22°0'0"N Moderately thick & regionally Limited yield prospects, Sandstone, Permo-Carboniferous Pediplain with scattered rock extensive confiend / below 50 cum/ hr conglomerate to Triassic fragment constituting pebbles unconfined aquifer down to 150m micaceous shale & gravels of quartz, feldspar & and siltstone basic rocks Limited yield prospects, 21°45'0"N Groundwater restricted to 21°45'0"N Pediplain with scattered rock, about 5 cu m/ day from Granite gneiss and Archean fragment constituting pebbles weathered residuum and migmatite secondary porosities dugwells & 5 cum/ hr & gravels of quartz, feldspar & from small diameter domestic basic rocks tubewells Reference:CGWB & GSI 87°0'0"E 87°15'0"E 87°30'0"E 87°45'0"E 88°0'0"E 88°15'0"E.