MOST OF THE PROPERTY IS UNDERLAIN BY CHERTY ARGILLITE WITH DIABSIC SILL-LIKE BODIES OF THE PALEOZOIC SICKER GROUP SEDIMENT-SILL UNIT AND BY MYRA FORMATION LITHOLOGIES THAT OUTCROP IN THE SOUTHWEST CORNER OF THE CLAIMS. THE SICKER GROUP ROCKS ARE INTRUDED BY GRANODIORITE TO QUARTZ DIORITE ROCKS OF THE ISLAND INTRUSIONS. SULPHIDE MINERALIZATION CONSISTING OF PYRITE AND PYRRHOTITE IS WIDESPREAD IN THE SICKER ROCKS ALTHOUGH GENERALLY IN LOW CONCENTRATIONS. LOCAL REMOBILIZA- TION AND CONCENTRATION OF SULPHIDES HAS OCCURRED, ESPECIALLY NEAR INTRUSIVE BODIES.