The High Hopes occurrence is underlain by foliated diorite of the Cenozoic-Mesozoic Coast Plutonic Complex. A short adit exposes a quartz-calcite vein mineralized with spotty concentrations of chalcopyrite, molybdenite, pyrite and minor bornite. The vein is hosted in fractures that strike 320 degrees and dip 35 degrees northeast. The quartz vein has a maximum width of 61 centimetres and has been exposed for 7.6 metres. The diorite host rock is also veined with chlorite which is found as inclusions in the vein.