activity

means—

(a)any mining related process on the mine including the operation of washing plants, mineral processing facilities, mineral refineries and extraction plants, and
(b)the operation and the use of mineral loading and off-loading zones, transport facilities and mineral storage yards, whether situated at the mine or not—
(i)in which any substance is stockpiled, stored, accumulated or transported for use in such process; or
(ii)out of which process any residue is derived, stored, stockpiled, accumulated, dumped, disposed of or transported.