A diamond-drill hole on the Hy 7 claim intersected a sequence of interbedded argillite, argillaceous shale, limestone, argillaceous limestone and limestone breccia, of the Mississippian to Triassic Harper Ranch and? Nicola groups.

Pyrite, pyrrhotite and specks of chalcopyrite were noted in the limestone breccia. Some chalcopyrite also occurs as smears in shears.