Beyond the source, it's also a question of the host rock. It also depends on some regulations, in some cases.
On October 25th, 2012. See this statement in context.
On October 25th, 2012. See this statement in context.
October 25th, 2012 / 12:10 p.m.
Director General, Office of Energy Research and Development, Energy Sector, Department of Natural Resources
Beyond the source, it's also a question of the host rock. It also depends on some regulations, in some cases.
See context to find out what was said next.