Outstanding Features of Hollinger Geology
THE Porcupine district of northern Ontario has yielded over $300,000,000 in gold during its twenty-three years of mining operations. It thus ranks among the foremost gold producing areas of the world. Of this $300,000,000 already produced from the District, the Hollinger mine has furnished over 60 per cent and stands as one of the greatest gold mines of all time.
ankerite, porphyry, quartz monzonite, syncline, flow, Gold, Mine, Mines, Porphyry, quartz, Rock, Rocks, Veins