The Woodbine workings are located approximately 500 metres northwest of the Silbak Premier Mine on the west side of Cascade Creek 22 kilometres north of Stewart, British Columbia. The area was investigated as early as 1919 in the search for an extension to the Silbak Premier "West" or "Northwest" zone. The only documented evidence of production was a 4.5 tonne high grade shipment in 1929. The underground workings consist of two adits over a length of 914 metres. For a more extensive regional geological description and bibliography refer to the Silbak Premier Mine (104B 054).

The mine is located in the Intermontane Belt, bounded on the west by the Coast Crystalline Complex and on the east by the Bowser Basin, in the volcanic arc assemblage of the Stikinia Terrane.

The mineralization is hosted in the Upper Triassic to Lower Jurassic Hazelton Group, Unuk River Formation. The Hazelton Group is a northwest trending belt of folded metavolcanic rocks containing a thick sequence of argillites and siltstones infolded along a synclinal axis.

The ore body is hosted in andesite flows, breccia and lapilli tuff of the Unuk River Formation. The andesite, at least 750 metres thick, is intruded by Early Jurassic Texas Creek plutonic suite dacitic porphyry dykes and is unconformably overlain by volcaniclastic and epiclastic rocks. This package is intruded by extensive Eocene Hyder granitic dykes and they along with several faults have "chopped up" the area.

Potassium feldspar porphyry, historically known as the "Premier Porphyry", is spatially associated with mineralization. The ore is predominantly discordant but locally concordant with the moderately northwest-dipping andesite flows, breccias and dacite flows.

Hydrothermal alteration zones related to the mineralizing system in the area are represented by a proximal silicification/quartz stockwork and potassium feldspar and/or sericite facies potassic alteration. Peripheral to mineralization is a propylitic alteration assemblage of carbonate, chlorite and pyrite.

Mineralization occurs in three silicified zones or veins with widths varying between 6.1 and 122 metres, the lower adit exposes a silicified zone 274 metres long by 122 metres wide in altered porphyry and breccia crosscut by granitic dykes. Handpicked samples from this zone are reported to contain high values in gold.

The principal showing on the property, the No. 1 vein, is possibly the westerly continuation of the steep to vertical "Northwest" or "West" zone. Due to the presence of major north-south faults this is difficult to determine. The No. 1 vein strikes northeast and dips steeply northwest.

Mineralization is of two types in the Woodbine area; occasional banded sulphides and commonly brecciated quartz-pyrite-sericite- limonite altered porphyry containing fragments supported in a siliceous sulphide rich matrix.

Ore minerals include pyrite, sphalerite, galena, minor chalcopyrite, tetrahedrite, covellite and native gold in irregular quartz stringers. Gangue minerals are quartz, potassium feldspar, chlorite, carbonate and others. There is some debate as to whether the mineralization seen at the Woodbine workings is similar to the late-stage mineralization at the Indian mine or the more economic early-stage mineralization of the Silbak Premier Mine.

A chip sample from the No. 1 vein in 1927 assayed 0.7 grams per tonne gold, 171 grams per tonne silver, 5 per cent zinc and a trace of lead (Minister of Mines Annual Report, 1927).