Porphyry-style quartz – copper sulfide vein in orthogneiss with calc-potassic mineral alteration assemblage including hydrothermal magnetite, biotite and potassium feldspar. Drill hole GR-18-001, 135 metres, HQ drill core.
Porphyry-style quartz – copper sulfide vein in orthogneiss with calc-potassic mineral alteration assemblage including hydrothermal magnetite, biotite and potassium feldspar. Drill hole GR-18-001, 135 metres, HQ drill core.