The property is underlain by northeast trending, folded and meta- morphosed mafic and intermediate volcanics, volcanoclastics and sedi- ments of the Late Devonian to Early Mississippian age Eagle Bay Formation. These rocks are intruded by dykes and stocks of diorite, diabase, granodiorite and quartz porphyry.
The metavolcanics comprise a lower unit of mafic flows and breccias of basaltic composition, intercalated with detrital sedi- ment, chert lenses and intermediate volcanic rocks. These rocks are overlain by intermediate volcanic flows, breccias, and volcano- clastics of andesitic to rhyodacite composition.
Structure in the area is dominated by a northeasterly trending overturned synform cut by several north trending right lateral faults.
A 500 metre strike length of stratabound low grade massive sulphide mineralization occurs in banded, grey-green rhyodacite tuff. Mineralization consists of pyrite, pyrrhotite, sphalerite and trace chalcopyrite. A 1986 drill hole (#29) intersected 1.34 metres assay- ing 1.43 per cent zinc, 0.39 per cent lead, 0.06 per cent copper, 6.17 grams per tonne silver and 0.10 grams per tonne gold (Assessment Report 15609).
The mineralized zone varies from 0.3 to 1.2 metres wide and up to 300 metres long on surface. Surface samples assay up to 107.6 grams per tonne silver, 17.75 per cent lead, and 6.78 per cent zinc.
Several units contain pyrite, pyrrhotite, chalcopyrite, sphalerite, and galena mineralization.