The Gravel showing is underlain by pelitic schist, semi-pelitic schist, quartzite, micaceous quartzite and calcareous quartzite of the Hadrynian and/or Paleozoic Silver Creek Formation (Mount Ida assemblage). Exposed and bedded? sulphides (galena, sphalerite and pyrite) trend north-northwest.
The showing is near salmon spawning grounds and in an area of subdivision development (circa 1976).