The Banker deposit is located on the northeast side of Tulsequah River, approximately 4.5 kilometres upstream from the confluence of Tulsequah and Taku rivers. It is approximately 100 kilometres south of Atlin, B.C. and 167 kilometres northwest of Telegraph Creek, B.C.

The area is underlain by a thick sequence of pre-Permian and Permian limestone and schist which is unconformably overlain by the Upper Triassic Stuhini Group volcanics. The volcanics are comprised mainly of andesitic to basaltic flows, tuff, and breccia with minor associated volcaniclastics.

The Banker occurrence is underlain by silicified, thin bedded, grey and white limestone. The bedding trends between 300 to 330 degrees and dips from 80 degrees southwest to 60 degrees northeast. The limestone is considered by most previous workers to be of Permian Age. Mariposite-sulphide bearing veinlets and dykes trending sub- parallel to the bedding were mapped in the trenches, but it is uncertain whether they show crosscutting relationships to bedding or not.

It is suggested that the mineralization at the Banker was confined to the crest of an anticline plunging gently to the south- east. The ore minerals are mainly galena and sphalerite with minor tetrahedrite and chalcopyrite, all along veinlets and stringers subparallel to bedding. Mineralization occurs in irregular lenses. Minor jamesonite and magnetite were also reported. Carbonates and quartz form the main gangue minerals with the richer parts of the deposit higher in quartz. Abundant pyrite and lesser amounts of arsenopyrite show crosscutting relationships to the above mineral- ization and locally develop hairline stringer stockworks of variable density within the trenches.

In 1935, a 5 tonne bulk sample taken from the fissure vein network in the limestone contained 62 grams gold, 31,570 grams silver, and 544 kilograms lead (Mines Ministers Annual Report 1935).

In 1964, a 0.3 metre sample from trench number 1 assayed 13.03 grams per tonne gold, greater than 29,000 grams per tonne silver, 10.45 per cent lead, 15.43 per cent zinc, and 1.2 per cent copper. In 1971, another 1.2 metre sample from trench number 1 assayed 5.49 grams per tonne gold, 9462 grams per tonne silver, 6.5 per cent lead, 15.2 per cent zinc and 0.5 per cent copper. Sampling in 1983 returned the highest silver assay of 2983 grams per tonne silver over 0.25 metres. A 0.35 metre chip sample from the northwest wall of Trench C in 1983 assayed 0.25 grams per tonne gold, 2521 grams per tonne silver, 4.03 per cent lead, and 2.12 per cent zinc. A vertical chip sample, 1.25 metres in length, from the southeast wall of Trench C assayed 2.8 grams per tonne gold, 2894 grams per tonne silver, 3.51 per cent lead, and 2.49 per cent zinc (Assessment Report 12707).

The 1987 program consisted of field work carried out by Cominco under agreement with Silver Talon Mines. The program included detailed geological mapping of the Banker-Sparling (Potlatch) areas, a northward extension of the soil grid, detailed mapping and sampling of the Banker trenches, systematic sampling of the Sparling (Potlatch) trenches, and contour geochemical sampling of the felsic volcanics to the east of the Sparling (Potlatch) showing. The Banker showing, located within brecciated limestones near a sedimentary/volcanic contact, shows significant gold, silver, lead and zinc concentrations (Assessment Report 16570).

In 1993, Redfern Resources Ltd. conducted mapping and geophysical programs over much of the Tulsequah Chief property including the Banker showing (Assessment Report 23762).

In 2013, a re-processing of legacy magnetics and induced polarization data collected by previously for Redfern Resources in 1994 was done for Chieftan Metals Inc.. Two magnetic susceptibility physical property 3D models were produced, with the Tulsequah and Southeast grids modeled in one block, and the Banker, Big Bull and Big Bull extension in the other block. In the southern block, Banker/Big Bull area the gabbro has high magnetic susceptibility (Assessment Report 34358). From the results of the geophysical data drilling was done on both the Tulsequah Chief and Banker areas in 2013. Diamond drill hole BK13006 showed no significant results (Assessment Report 34969).