The Upper Jackie occurrence is located on an east facing ridge, approximately 1.8 kilometres north west of the northern end of Twaddle Lake at an elevation of 840 metres.

The area is underlain by Upper Triassic Vancouver Group, Karmutsen volcanics comprised mainly of pillowed basalts, tuffs and breccia. The Karmutsen rocks are intruded by Jurassic granodiorite of the Island Plutonic Suite.

The property is underlain by a sediment-sill unit, in fault contact with Karmutsen mafic flows. The former consists of thin- bedded argillites and siltstones interbedded with cherts, cherty and mafic tuffs, minor calcareous sediments, chloritic schist and graphitic lenses and zones. Interbedded sills are of andesitic and basaltic to gabbroic compositions. Diorite intrudes the sediment-sill unit in the eastern part of the claim group along a northwest trending contact.

Locally, a sediment-sill sequence, near its contact with quartz diorite and coarse-grained diorite hosts galena, sphalerite, chalcopyrite and pyrite mineralization as banded and disseminated lenses with quartz veins and veinlets. The mineralization is exposed over an area of 3.0 metres wide within argillite inter- bedded with chert, with local chloritic schist, and epidote and sericite alteration. The mineralization appears to be associated with a major west trending fault.

In 1985, a high grade specimen assayed a combined 42 per cent lead and zinc with 1.58 per cent copper, 0.0125 per cent cadmium, 343.0 grams per tonne silver and trace gold (Assessment Report 14319).

In 1987, assays from a chip sample over 1.6 metres of sulphide-rich chloritic schist near a mafic volcanic contact assayed 5.6 grams per tonne silver, 0.08 per cent copper, 0.54 per cent lead, 0.66 per cent zinc and 0.03 grams per tonne gold. A 1.0 metre chip sample of argillite with interbedded chert with massive sulphide lenses assayed 23.6 grams per tonne silver, 0.48 per cent copper, 8.20 per cent lead, 4.80 per cent zinc and 0.03 grams per tonne gold. In addition ICP (induced coupled plasma) geochemical values of 874 parts per million cadmium and 19 parts per million molybdenum were reported (Assessment Report 16557, page 26).

Other limonitic zones and minor sulphides are reported on Jackie 2 and Bonbonaz 4 claims. Minute gem quality garnets, light orange-red in color, are reported from Jackie 2 claim.

During 1984 through 1987, Canamin Resources completed programs of prospecting, geological mapping, trenching and rock, silt and soil sampling on the area as the Jackie and Bonbonaz claims. In 1989, Doramin Resources completed a program of sampling and a lone diamond drill hole, totalling 102.6 metres, on the Lower Jackie occurrence.