Subject to the other provisions of this chapter and chapters 2, 3 and 6, another resource Act, or an authority, tenement or tenure under a resource Act, does not limit or otherwise affect--
(a) the power under this Act to grant a geothermal tenure over land in the area of an overlapping resource authority for a proposed geothermal tenure; or
(b) the carrying out of authorised activities for a geothermal tenure.