The Number Seven showing is underlain by Iron Mask Hybrid unit diorite of the Late Triassic-Early Jurassic Iron Mask batholith near the contact with Upper Triassic Nicola Group andesitic volcanic rocks to the west. Shallow cuts and pits expose a medium-grained diorite that has been intensely sheared containing quartz-carbonate veins with local pods of massive epidote-magnetite skarn with minor chalcopyrite and malachite. Rock sampling in 1983 yielded highs of 0.25 to 1.9 per cent copper (Assessment Report 11690).
A number of shallow cuts and holes 3 to 4.5 metres deep have been made on the property but are largely sloughed (ca. 1906). They are reported to have exposed a body of magnetite mineralized with copper minerals. In 1983, an exploration program consisting of geological mapping and rock geochemistry on the Rocket 4-16 claims was undertaken by Aberford Resources Ltd. The Rocket claims are just to the west of the pits on the Number Seven Crown grant.