The area of the TG showing is underlain by Permian limestone of the Stikine Assemblage and lapilli tuff of the Upper Triassic Stuhini Group. A sample from a gossanous shear zone assayed 0.59 gram per tonne gold (Sample 32129, Assessment Report 21061). The attitude of the shear is 034 degrees with 62 degrees east dip.
Refer to Trophy (Ptarmigan) (104G 053) for related details and a common work history.