Allowed Uses. When applied, all uses in this overlay district can only be established by Conditional Use Permit and the only activities permitted are extraction, exploration, wells, pumps, separators, field storage tanks, quarrying, and rock crushing and processing of materials associated directly with the specific properties of the site on which these activities occur. These uses are considered very industrial in nature and the application of this zone is only permitted if the activities proposed cannot occur anywhere else because of the unique properties of the site, i.e., a mineral resource located on the parcel or lot.