A concordant quartz vein in argillite of the Jurassic to Cretaceous Bowser Lake Group contains galena and sphalerite. The vein is 5 to 15 centimetres wide and is exposed along the face of a bluff for about 30 metres. A sample assayed 49 per cent lead and 686 grams per tonne silver (Property File: Assays, 1926).