The Zig Zag area is underlain by rock of the Devonian Stikine Assemblage.

Exposed at the Zig Zag is a thin, 90 metres long sulphide zone striking north-south, dipping moderately to the east and located near the base of a thick limestone/mudstone unit less. Hanging wall and footwall rocks to limestone/mudstone unit are mafic volcanic rocks.

Iron carbonate and quartz altered limey mudstone, 2 to 3 per cent disseminated pyrite, chalcopyrite and whispy quartz veinlets. Sample 672061 assayed 16.3 grams per tonne silver and 0.88 gram per tonne copper (Assessment Report 29475).

See Foremore (104G 148) for details on the Foremore property and SG (104G 181) for more recent work history details of the Foremore property.