Vancouver Group, Upper Triassic Karmutsen volcanics are overlain conformably by Jurassic to Triassic by Kunga limestones. A skarn contains magnetite and pyrrhotite over a 30 by 30 metre island in Ikeda Cove. A drill hole assayed 44 per cent iron over 2.1 metres (McDougall, 1956). One hundred fifty metres to the north, a 1.2-metre wide, 3-metre long zone of chalcopyrite occurs in andesite.