Subject to the other provisions of this chapter, chapters 2 to 8 and chapter 12 , part 1 , the Geothermal Act , GHG storage Act , a geothermal tenure or a GHG authority does not limit or otherwise affect—
(a) the power under this Act to grant a mining tenement over land in the area of an overlapping authority (geothermal or GHG) for the proposed mining tenement; or
(b) the carrying out of authorised activities for a mining tenement.