The Group A occurrence is located at an elevation of 15 metres on the north west shore of Howe Sound, approximately 1.2 kilometres east of the mouth of Potlatch Creek.
The area is underlain by quartz diorite of the Cenozoic-Mesozoic Coast Plutonic Complex containing a small pendant of metavolcanic and metasedimentary rocks of the Lower Cretaceous Gambier Group.
Locally, a molybdenite-bearing, ribboned quartz vein varying from 0.45 to 1.80 metres in width is exposed in Gambier Group rocks. The vein has been traced for 274 metres along a northwest strike, where it eventually pinches out. The quartz diorite intrusive rocks in the vicinity are fractured and cut by numerous quartz veins containing chalcopyrite and molybdenite.
In 1967, Bullion Mountain Mining completed a soil sampling program on the area as the Group A (Johnny) claims. Previous, diamond drilling of three holes is reported to have intersected only narrow widths containing low molybdenum values (Assessment Report 1214). No assay values were reported.