Investor Presentaiton

Depth in Crust (km) 10 Major Gold Deposit Types Epithermal 3 Other type deposits: generally veins with lower tonnage / higher grades 5 2 1 Acid-Sulfate Hot Spring Adularia- Sericite Skarn x Intrusion Related Granite and Granodiorite Intrusions Meteoric Water Magmatic Water Metamorphic or Mantle Water Gold Deposits and Related Alteration × >Greenstone Hosted × Mesothermal OSINO RESOURCES Hydrothermal Gold Deposits Twin Hills type-deposit: generally disseminated, higher tonnage/lower grade Volcanic Rock Turbidite Hosted Metasediments (Turbidites) Metamorphic Rocks (?) ? Source: Science Education Resource Centre, Carleton College 27

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