The Wild Deer Creek showing outcrops on the west side of the creek, 42 kilometres northwest of Victoria.

The showing consists of a limestone lens of the Upper Pennsylvannian to Lower Permian Mount Mark Formation, Buttle Lake Group (previously Buttle Lake Formation, Sicker Group). The lens is up to 180 metres wide and extends for 518 metres southwest from Wild Deer Lake. The lens is overlain to the northwest by metabasalts of the Upper Triassic Karmutsen Formation, Vancouver Group and underlain to the southeast by sediments of the Upper Devonian McLaughlin Ridge Formation, Sicker Group.