Earth's water may have formed deep within mantle: Study
Silica is found in abundance above and below the surface of the Earth in the form of the mineral quartz the Earth's crust is 59 per cent silica.
Feb 05, 2017, 17:14 PM IST
Silica is found in abundance above and below the surface of the Earth in the form of the mineral quartz the Earth's crust is 59 per cent silica.
Feb 05, 2017, 17:14 PM IST