Discovery of magnetic iron ore reserve in Dinajpur
প্রকাশিত: ১৪ জানুয়ারি ২০২১, ০০:০০
He holds a piece of the rock sample and brings it near to a magnet bar. Instantly, the rock sample gets attached to the magnet and hangs on to it when the magnet bar is held up in the air. "This is magnetite ore, a magnetic iron-rich mineral valued worldwide for its content, and we have just discovered a big reserve of this mineral only 450 metres below the surface at Alihat,