The Lookout occurrence is close to Granby Bay on Observatory Inlet and near the historical mining town of Anyox.
The region is underlain by a roof pendant, consisting of volcanic and sedimentary rocks, within the Eocene Coast Plutonic Complex. These pendant rocks have been correlated with Middle-Upper Jurassic Hazelton Group rocks and overlying upper Middle to Upper Jurassic Bowser Lake Group sedimentary rocks (Geological Survey of Canada Open File 3453). The Hazelton rocks consist of variably chloritized pillow and massive basalt with minor mafic tuffs. The overlying Bowser Lake sediments consist of siltstone and sandstone with minor chert and limestone. There are two observable phases of folding in the area, an initial north-northeast trending phase followed by a later east-northeast trending phase.
The large flat hilltop location of the Lookout occurrence has well exposed bedrock; soil and gravel cover appears to have been stripped away decades ago. There is no indication of major trenching work. Exposed strata are massive pillow lavas on the south part of the hilltop, and pyritic lapilli-rich tuff along the western part of the hilltop, including the highest spine of the hilltop. The string of pyritic outcrop knobs trends 100 degrees and dips 75 degrees north. Pyritic outcrop exposures extend for 100 metres along strike to the west of the spot height (535 metres) where they are cut off to the west by a prominent fault (deep gully). There are a set of prominent fine grained quartz veins cutting across this pyritic rock with an attitude of strike 073 degrees and 55 degrees north dip. Overall, this pyritic zone resembles a distinct stratigraphic unit that has been subsequently sheared and cut by minor quartz veins. The pyritic zone is 1 to 2 metres thick over its entire exposed strike length of 100 metres. This pyritic fragmental unit may represent the distal equivalent/extension of a mineralized copper sulphide horizon.
In 2006, Kenrich-Eskay Mining Corp. completed a program of airborne electromagnetic and magnetic surveys, stream sediment and rock sampling, geological mapping and 50 diamond drill holes, totalling 14275 metres, on the area as the Coastal Copper project.
