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Geology
Mineralization
Mineralization across the deposit shows features typical of a gold porphyry including banded quartz veins and quartz-sulfide veinlets. The mineralized stock has a large >3km diameter footprint and extends to depths of 900 -1000 meters. High grades are associated with higher vein density, extensive alteration, and/or high sulfide occurrences. Additional to the porphyry mineralization, high-grade mineralization is also found within discrete structures represented by altered shears, faults, fractures, and breccia pipes.
Porphyry Mineralization
The porphyry mineralization is defined where sulphide and oxide mineralization are present as disseminated grains and accumulations in altered rock and in localized networks of fracture-controlled quartz veins (A-type and B-type) +/- magnetite pyrite veins (M-type). Various types of hydrothermal alteration and mineralization are genetically related to magma reservoirs, predominantly felsic to intermediate in composition. The currently explored portion of the Henry Mountains porphyry deposit shares many similarities to the Maricunga Gold Porphyry Belt. The veins found across the Deposit and in the core are consistent with other gold porphyry systems, namely a sequence of M-type veins, banded quartz A-type veins and sulphide bearing A and B-type veins.