Most copper occurrences in Yukon are related to intrusive and volcanic events throughout the Paleozoic and Mesozoic. However, some of the oldest rocks in Yukon have associated copper mineralization: iron oxide copper-gold (IOCG) type occurrences occur in Mid-Proterozoic Wernecke Breccia in northern Yukon. Other copper deposit types in Yukon include volcanic-hosted massive sulphide, porphyry, skarn, vein and manto deposits.
The Dawson Range area is characterized by copper deposits ranging in age from Jurassic to Late-Cretaceous. The Jurassic Minto and Carmacks Copper deposits are unique copper-gold porphyry-like occurrences that were deformed during emplacement. The Late Cretaceous Casino deposit is a low-grade bulk-tonnage copper porphyry deposit.
The Whitehorse Copper belt is a historic mining district defined by several formerly producing copper skarn deposits. Seven of the historical deposits have remaining resources.
Map of Yukon Mineral Deposits (PDF 3.41MB)
