geothermal energy
153 posts
• Exploration drill rigs for the initial boreholes could be small, mobile rigs for either mineral exploration and/or geothermal exploration. These boreholes would ideally need to penetrate the overburden which might be volcanic tephra or ash cover (volcanic areas) or altered surface rocks (with compositions altered by contact with thermal […]
There are two main types of epithermal systems, classified based on the temperature and acidity of the hydrothermal fluids:
