The geological marvel that sets Bakreswar apart from every other temple town in Bengal is its extraordinary cluster of geothermal hot springs. Situated on the right bank of the Bakreswar stream, roughly 1.6 km south of Tantipara village, these springs emerge through fractures in ancient Precambrian granitic rock belonging to the Chotanagpur Gneissic Complex, some of the oldest geological formations on Earth.
Scientific studies have established that the spring waters are a mixture of hot ascending water from deep reservoirs (estimated at 130-265°C underground) and shallow non-thermal groundwater. The waters are alkaline, with a pH ranging from 7.4 to 9.2, and are rich in sodium, potassium, calcium, silicates, chlorides, bicarbonates, and sulphates. Traces of helium and radon gases continuously bubble to the surface, reminding you that you are standing above a geothermal system of genuine scientific significance.
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