The Fleetwood and 33 zones are located 3 kilometres northwest of the Seneca deposit (092HSW013) along the east side of the Chehalis River, about 9 kilometres north of Harrison Mill, British Columbia.

The area of the Seneca deposit and its related occurrences the Vent (092HSW139) and the Fleetwood/33 zones are underlain primarily by volcanic rocks of the Lower to Middle Jurassic Harrison Lake Formation. McKinley et al. (1995) subdivided the stratigraphy into three principal volcanic facies as follows: 1) Facies 1 - Lavas (vent-proximal facies) consist of basaltic to rhyolitic composition flows, domes and associated in situ hyaloclastites and autoclastic breccias. 2) Facies 2 - Volcaniclastic rocks (vent-proximal to distal facies) consist of juvenile to reworked coarse volcanic breccia and tuffs to fine-grained siltstone. 3) Facies 3 - Synvolcanic intrusions consist of basaltic to rhyolitic sills and dikes that have intruded lavas and wet volcaniclastic sediments. A fourth facies consists of an argillite that often contains flattened pumice clasts and is often in close proximity to mineralization. This fourth facies is restricted to the main Seneca deposit, also referred to as the Pit area, and does not correlate across the property.

In general, the strata on the property strike approximately northwest and are essentially flat lying or moderately east dipping. The stratigraphy has undergone very little deformation or metamorphism and retains pristine volcanic textures. Metamorphic grade in the area is zeolite facies.

Three types of mineralized zones are present in the Seneca area: 1) Conformable massive sulphide lenses. 2) Semimassive and disseminated sulphides associated with volcaniclastic rocks. 3) Stockwork and stringer mineralized zones.

Stockwork and stringer sulphides are the dominant style of mineralization in the Fleetwood zone. A drillhole intersected 1.1 metres of massive sphalerite, pyrite and chalcopyrite, immediately above about 30 metres of stockwork sphalerite-pyrite-chalcopyrite- quartz-anhydrite veinlets in altered dacite and fine volcaniclastics similar to the Vent zone. Shorter intersections of similar stockwork mineralization occur in drillholes between the Fleetwood and Vent zones. All the mineralized zones in the Fleetwood area occur at the same stratigraphic level and have similar lithologic associations. The stockwork zones are most commonly hosted by felsic lavas and autobreccias which immediately overlie mafic lavas and reworked mafic-dominated volcaniclastic rocks, and which occur below the fine grained volcaniclastic rocks. These overlying fine volcaniclastics are essentially unmineralized and unaltered except for occasional fine sulphide laminations. The mineralized zones are often associated with narrow fault zones and moderate to strong, fine anhydrite veining.

Conformable, stratabound lenses of semimassive sphalerite, pyrite and chalcopyrite with lesser galena are exhibited chiefly in the main Seneca deposit or Pit area, but also to a lesser degree in the 33 zone of the Fleetwood area. The sulphides are hosted by fragmental rocks and occur as discontinuous pods. In the 33 zone, a 2 metre intersection of massive sulphides is underlain by a quartz-carbonate-chlorite zone and a dacite porphyry intrusion, and is sharply overlain by a cherty sulphide layer and a zone of strongly chloritized fragmental material. Blades of barite are intergrown with the sulphides.

Generally, most of the rocks at the Seneca occurrences are relatively unaltered, exhibiting pristine preservation of volcanic textures. Macroscopically recognizable alteration is restricted to the Vent and Fleetwood zones where it is characterized by intense silicification and sericitization associated with massive to flow banded and flow brecciated dacite porphyry. The stockwork veining is restricted to the dacites but alteration extends 10 to 20 metres into the surrounding fragmental rocks, obliterating original textures.

In 1991, drilling on the Fleetwood zone is reported to have yielded intercepts of up to 2.06 per cent zinc, 0.31 per cent copper, 0.11 per cent lead, 8.1 grams per tonne silver and 0.07 gram per tonne gold over 32.1 metres, including 5.56 per cent zinc, 0.38 per cent copper, 0.37 per cent lead, 162 grams per tonne silver and 2.37 grams per tonne gold over 1.10 metres (Allen, D.G. (2014-09-19): Technical Report on the Seneca VMS Project). A drill hole on the 33 zone intercepted of 2 metres of massive sulphide at 170 metres depth yielding 2.2 per cent copper, 28 per cent zinc and 4 grams per tonne gold (Assessment Report 22915, page 7).

In 1992, a drill hole (92-33) on the 33 zone yielded 23.30 per cent zinc, 1.83 per cent copper, 1.71 per cent lead, 133 grams per tonne silver and 2.33 grams per tonne gold over 3.20 metres (Allen, D.G. (2014-09-19): Technical Report on the Seneca VMS Project).

The area has been explored in conjunction with the nearby Seneca (MINFILE 092HSW013) occurrence and a completed property exploration history can be found there.