The Brown vein is located about 0.6 kilometres up the Wann River, above Taku Arm.

The area is underlain by the Upper Triassic Stuhini Group and the Devonian to Middle Triassic Boundary Ranges Metamorphic Suite which are intruded by Early Cretaceous hornblende granodiorite.

The Llewellyn fault zone hosts mineralized syn-kinematic quartz veins. Some identifiable but strongly sheared rocks include: chlorite-actinolite schists of the Boundary Ranges Metamorphics; Stuhini Group volcaniclastics, Norian carbonate (Sinwa Formation) and a coarse-grained Early Cretaceous granodiorite intrusive. Most rocks within the 20 by 10 metre exposure are bleached, highly pyritic (up to 5 per cent), cut by quartz and carbonate stringers and clay altered.

At the Brown zone, a 10-metre-long adit has been driven along a 110-degree-trending, nearly vertically-dipping, 2-metre-wide quartz-veined zone within a 10-metre-wide shear zone. The veins form an anastomosing network subparallel to the foliation of the country rocks. Individual veins range in thickness from less than 1 and up to 60 centimetres, splitting and rejoining along their length of over 70 metres, perpendicular to the fabric of the zone. These veins have been variably disrupted by brittle faulting suggesting syn-kinematic origins. Of the few well exposed veins, two main orientations were observed: 070/85 and 101/74. Country rocks include a variety of lithologies admixed within the Llewellyn fault zone.

Mineralization consists of tetrahedrite-freibergite, chalcopyrite, malachite, azurite, molybdenite, pyrite, sphalerite, and galena. The highest grades come from material along the northern hangingwall of the 2.5-metre vein/shear system exposed by the adit. A chip sample, also from vein material, assayed 8.6 grams per tonne gold and 315.38 grams per tonne silver (Mihalynuk, M.G. Personal Communication, Sept. 1989). Grab sample MMI89-59-2A assayed 347 grams per tonne silver, 17.9 grams per tonne gold, 2.62 per cent lead, 0.56 per cent copper, and 1.0 per cent zinc (Fieldwork 1989).

At least four or five other mineralized quartz veins or veined zones have been identified in the area of the Brown vein and are referred to as the Newfie, Dutch, Spanish, Trail, and River veins.

The Trail and River zone veins are located near the southwest bank of the Wann River and comprise quartz veins up to 80 centimetres wide that trend 140 degrees and dip 48 degrees southwest within Upper Triassic Stuhini Group andesites. Mineralization includes tetrahedrite, galena, malachite, and trace arsenopyrite. The Dutch zone comprises an 80-centimetre-wide quartz vein, striking 157 degrees and dipping 80 degrees northwest. The vein has been exposed for over 25 metres and is mineralized with tetrahedrite, chalcopyrite, galena, and malachite. At the Newfie zone, a quartz veinlet stockwork is hosted in a quartz eye porphyry. The Spanish zone comprises quartz veins, up to 20 centimetres wide, hosting traces of chalcopyrite, malachite, and galena.

In 2010, sampling of the veins yielded the following values values: up to 8.6 grams per tonne gold and 420 grams per tonne silver over 0.3 metres from the adit on the Brown vein; 15.9 grams per tonne gold, 440 grams per tonne silver, and 1.04 per cent lead from the Newfie vein; 52.1 grams per tonne gold, 746 grams per tonne silver, 1.79 per cent copper, 5.76 per cent lead, and 1.04 per cent zinc from the Trail vein; 126 grams per tonne silver from the River vein; and 3.40 grams per tonne gold with 320 grams per tonne silver from the Dutch vein (Pautler, J. (2010-08-30): Technical Report on the Wann River Project within the Tagish Lake Group (Whine, Tagish #1, 5 & 6, Lower Engineer 1 & 2, Wann #1, Tagish Lake Southwest Claims).

Work History

It is not known when the property was staked, however, some work was done prior to 1913. The Brownie Nos. 1, 3, 4, and 5 claims were owned by-Messrs. Dunham, Nichol, Kerslaw, and Gilmore in 1918. Development work consists of open cuts and a short adit.

In 1968, Idaho Silver mines conducted a ground electromagnetic and magnetic survey over parts of the Wann River area, including the Anyox-Rodeo area. Several conductors were reported to have been outlined in vicinity of old workings (Assessment Report 1628).

In 2007, prospecting was done on behalf of Opes Exploration Inc. The historical MINFILE showings (Brown 104M 026 and Anyox-Rodeo 104M 017) were located and the Brown showing was sampled and some hand sorted high-grade vein material was assayed. The Anyox-Rodeo showing was also sampled but not assayed. Rock samples from the Brown showing ranged up 300 grams silver, 1.22 per cent copper, and 1.60 per cent lead, however the vein material represented a narrow width (5 centimetres) of actual vein (Assessment Report 29811).

In 2007, Blind Creek Resource conducted a mobile metal ion soil survey in the Anyox-Rodeo area, which was part of their Wann project area.

In 2008, Blind Creek completed a geochemical reconnaissance sampling program in the Wann area. The 2008 survey confirmed the anomalous results from Anyox-Rodeo showing. The showing was visited in 2008. A grab sample from a 10-centimetre-wide massive pyrrhotite vein indicated anomalous values in gold (0.11 grams per tonne), copper (0.67 per cent), platinum (0.14 grams per tonne), palladium (0.2 grams per tonne), cobalt (0.11 per cent), and nickel (0.4 per cent) (Assessment Reports 31376, 32403).

In 2009, Blind Creek collected sample 9BCRWRO5R from old trenches along the shore of Tagish Lake, 180 metres west of the Wann River delta. A magnetometer survey was conducted in the area. Sampling extended to the Anyox-Rodeo area, with one sample yielding 0.14 per cent copper (Assessment Report 32004). At the Anyox-Rodeo showing, an old pit with massive pyrrhotite fragments occurs. The fragments host minute specks of chalcopyrite. Immediately down slope in the canyon above Wann River, short adits had been worked to trace the strike of the pyrrhotite. These were not sampled due to difficult access.

In 2010, a total of 89 rock - and 55 soil samples were collected in the Wann area, including the Lum showing (Assessment Report 32004). A 10 kilometres magnetometer survey was completed.

In 2011, Blind Creek Resources Ltd drilled 17 holes, totalling 3325 metres, at their Wann River polymetallic vein, mostly around the historic Brown showing area. Drilling highlights include hole WR-04-01-11, averaging 11.3 grams per tonne gold and 94.8 grams per tonne silver over 1 metre (Assessment Report 32403, 32478). An 800 by 180 metre area interpreted to be the hangingwall of the Llewellyn fault zone hosts the strongest mineralization and is thought to be analogous to the ore zone at the Engineer Mine. One hole (WR-05-01-11) was drilled at the Lum showing near the Wann River delta.

In 2017, (MMI) soil sampling surveys were completed in the Engineer Mine (104M 014) and Wann River areas at the southern end of Tagish Lake (Assessment Report 37082). In the Wann River area, gold-silver-base metal veins have been the focus of historic work and were drilled in 2011. Occurrences in the Wann River area include Anyox-Rodeo (104M 017), Brown (104M 026), and Lum (104M 109). The geology of the area was examined and compared to the Engineer system; MMI samples were collected along the southern extension of the known veins as well as to the east exploring the extensions of this zone toward the Llewellyn Fault. The sampling in the Wann River area included 195 samples along 6 lines. The lines were east-west and extended across the Wann River, testing the eastern and southern extensions of the area. Line spacing was 200 metres and sample spacing was 25 metres. The MMI survey outlined the extent of the younger intrusive body that may be important either genetically, or structurally, to vein emplacement. Several widely spaced anomalies warranted follow-up prospecting work and possibly with a further, more detailed, MMI survey to develop vein targets to the south and west of the known zone.