Quesnellia, or the Quesnel terrane, is a terrane in British Columbia, Canada; constituent of the Canadian Cordillera.
It formed volcanic arc during the Mesozoic era, in the Triassic and Jurassic periods.
[1] The Quesnel terrane forms part of the Intermontane superterrane along with the Stikinia and Cache Creek terranes.
[2] Quesnellia contains numerous deposits of alkalic Copper‐Gold porphyry.
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