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Structural Controls on Barkerville and Related Orogenic Gold Camps of Interior British Columbia

Much of BC's historic gold production is from orogenic quartz vein networks along the eastern margin of the Intermontane terranes. The Barkerville camp alone accounts for 1.2 Moz of gold from such lodes, and another 2.5-3 Moz were extracted from related placer deposits. The revival of brownfields exploration in the district emphasizes the importance of establishing ore controls for this mineralization style. Structural models for orogenic gold systems emphasize major crustal-scale strike-slip faults as a first-order ore control, but these are absent from Barkerville and related orogenic gold camps such as Cassiar and Sheep Creek.

This project will generate a new series of maps, sections, and structural datasets that incorporate public domain geologic data and new structural mapping to place gold mineralization into a regional structural and kinematic framework that can enhance structural targeting.

Project Information

Ore Deposit:
Commodity:
Location:
Barkerville Gold Camp, central BC, Canada
Project Status:
Researchers:
  • Murray Allan
  • Craig Hart

Start Date: 2016
End Date: 2017

This project will establish the geological and structural setting of mineralization in Barkerville, through compilation of historic data and structural mapping. A paragenesis of veins and rock fabrics, supplemented with Ar-Ar geochronology, will constrain the timing of progressive deformation and mineralization.

A parallel approach in the Cassiar and Sheep Creek camps will establish how structural evolution varied along strike in the eastern BC Cordillera. These products will benefit exploration companies and contribute to exploration investment interest in the gold potential of BC.

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