Tapping the Fire, Turning the Steam
Securing the future with geothermal energy
Beneath the crust, heated zones span across an almost unimaginably
vast area. Under the crust, the mantle consists of hot, viscous fluids that flow slowly.
At temperatures anywhere between 500 and 900 ° C, the mantle
continues its convection currents—the currents that created and swallowed continental forms in ages
past. It is the source of our geothermal energy...