The Gulch West mineral showing is located along the southwest ridge of Mount Gordonia, 1.2 kilometres from the summit. The showing is 290 kilometres north of Smithers. It lies within the Omineca-Cassiar mountains in the north-central portion of the Toodoggone gold camp.

The Gulch West showing is situated within a Mesozoic volcanic arc assemblage which lies along the eastern margin of the Intermontane Belt, a northwest-trending belt of Paleozoic to Tertiary sediments, volcanics and intrusions bounded to the east by the Omineca Belt and to the west and southwest by the Sustut and Bowser basins.

Permian Asitka Group crystalline limestones are the oldest rocks exposed in the region. They are commonly in thrust contact with Upper Triassic Takla Group andesite flows and pyroclastic rocks. These Takla rocks have been intruded by plutons and other bodies of the mainly granodiorite to quartz monzonite Early Jurassic Black Lake Suite and are in turn unconformably overlain by or faulted against Lower Jurassic calcalkaline volcanics of the Toodoggone Formation, Hazelton Group.

The dominant structures in the area are steeply dipping faults which define a prominent regional northwest structural fabric trending 140 to 170 degrees. In turn, high angle, northeast-striking faults (approximately 060 degrees) appear to truncate and displace northwest-striking faults. Collectively these faults form a boundary for variably rotated and tilted blocks underlain by monoclinal strata.

Toodoggone volcanics, observed at the Gulch West showing, are described as purple agglomerates, grey to purple tuffs, rhyolites and orange lithic to crystal tuffs (Assessment Report 20671). The oldest rocks are light to dark green porphyritic or massive andesitic flows and pyroclastics of the Takla Group (Assessment Report 20671). These have been summarized as basaltic and andesitic flows and breccia, with minor limestone and argillite (Bulletin 86).

Propylitic alteration is widespread throughout the area surrounding the Gulch West showing, predominantly affecting andesitic flows and tuffs. These zones are characterized by chlorite alteration of plagioclase, biotite and hornblende phenocrysts, accompanied by a strong increase in epidote and/or carbonate, pyrite and magnetite in the groundmass (Assessment Report 20671).

The west ridge of Mount Gordonia is crossed by numerous north and northwest-trending, steeply-dipping faults, with which numerous quartz veins and zones of silicification are associated. The veins are commonly mineralized with gold, silver and copper. Individual veins are up to 50 centimetres width with strike lengths of 10 metres or less. They are often widely spaced (greater than 15 metres), generally strike north and dip steeply east and west (Assessment Report 20671).

Mineralization at the Gulch West showing consists of a quartz vein, 2 to 50 centimetres wide, striking 040 degrees and dipping to the east. Host rocks are altered grey and purple volcanic tuff. Mineralization consists of spotty blebs and crack fillings of pyrite and chalcopyrite with intense malachite and hematite staining. Sample DO-133, taken from this vein, analysed 5.4 grams per tonne gold, 2.9 grams per tonne silver and 0.29 per cent copper (Assessment Report 20671).

Further sampling was done in the vicinity of the Gulch West showing area by Stealth Minerals in 2004.

Refer to the Joanna West (094E 175) for details of the Joanna property work History.