The Roach occurrence is located on the north side of a un-named, westerly flowing, tributary of the Robertson River.

The area is underlain by Lower Jurassic Bonanza Group volcanics consisting of lava, tuff and breccia of mainly basaltic to rhyolitic composition. It contains occasional interbeds and sequences of marine argillite and greywacke. A stock of the Early to Middle Jurassic Island Plutonic Suite lies to the southwest of the showings. The volcanics have been intruded by dykes and irregularly shaped bodies of granodiorite, granite porphyry and diorite porphyry. Limestone, reported to occur as lenses and roof pendants in both the volcanics and the intrusive, is probably related to the Quatsino Formation, Vancouver Group.

Mineralization consists of pyrite and chalcopyrite with epidote and garnet along and near a limestone-greenstone contact transected by an intrusive. The skarn has been trenched and is approximately 50 metres long and up to 10 metres wide. Minor disseminated pyrite and chalcopyrite was observed in the granodiorite to the west of the skarn zone. A showing of pyrrhotite was also reported.

In 1980, Sonar Energy completed a program of rock and soil geochemical sampling and geological mapping on the Maxi claim. An assay of skarn material taken across 2.5 metres assayed 0.23 per cent copper and negligible gold and silver (Assessment Report 8209, page 10).

In 1981, Strata Energy completed a program of soil geochemical sampling and geological mapping. In 1986 and 1989, programs of ground geophysical surveys were completed. In 2011, a program of geochemical sampling was completed on the area as the Panorama claim.