For all your general chitchat about anything other than Petroleum Geology and E&P Technology. Well... even that is welcome if you can't find a suitable forum!
Fri Apr 20, 2012 10:30 am
A geothermal system needs heat, permeability & water. The heat from core of the earth constantly flows external. Sometimes the heat, as magma reaches the surface as lava, but it normally remains below the Earth's crust, heating nearby rock & water, sometimes to levels as hot as 700 F.