The occurrence is on the south flank of the Frenchman's Cap gneiss dome in the Shuswap Metamorphic Complex. Gneiss, quartzite, schist, calc-silicate rocks, minor marble and argillite are iso- clinally folded with easterly trending structures. Folding and jointing are common with planes intruded by swarms of pegmatite and lamprophyre dykes.

A talc schist was sampled and analysed by x-ray diffraction in 1968, and found to contain talc and mica intergrown with chlorite. Accessory minerals are quartz, feldspar and sillimanite (Assessment Report 1794).

A small bed of "nearly pure" talc is reported to occur within mixed gneisses, about one kilometre to the south.