The Omega occurrence lies in the Zeballos gold camp, an area underlain by Lower Jurassic Bonanza Group basaltic to rhyolitic volcanic rocks. Conformably underlying the Bonanza rocks are lime- stones and limy clastics of the Upper Triassic Vancouver Group, Quatsino Formation. Dioritic to granodioritic Jurassic plutons of the Zeballos intrusion phase of the Island Plutonic Suite have invaded all older rocks. The Eocene Zeballos stock, a quartz diorite phase of the Catface Intrusions, is spatially related to gold-quartz veining in the area. Bedded rocks are predominantly northwest striking, southwest dipping, and anticlinally folded about a north- west axis.

The Omega occurrence comprises a 052-degree striking, 80-degree south dipping shear-vein at the Jurassic diorite-Bonanza andesite contact. The shear zone is 10 to 30 centimetres wide and contains crushed rock, gouge and occasional lenses of quartz and calcite which range up to 0.3 by 1 metre in size. The quartz lenses carry small amounts of pyrite, fine-grained arsenopyrite, chalcopyrite, galena and sphalerite.

Gold values are reported to occur in small pyrrhotite- chalcopyrite lenses in limestone elsewhere on the property (Bulletin 27, page 123).

In 1999, Zeb Oro Explorations Inc. prospected the area as the Zeb Oro property. In 2014, the area was prospected as the Zeballos Vancouver Island property.