Quesnellia

{{short description|Terrane in British Columbia, Canada}}

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.{{citation|url=https://www.pdac.ca/docs/default-source/members---membership/programs---students/frank-arnott-award/faa_quesnel-trough_1_rev3.pdf|title=FAA‐ Site # 1: Quesnel Trough‐BC‐Canada|publisher=PDAC|access-date=7 Aug 2020}}

The Quesnel terrane forms part of the Intermontane superterrane along with the Stikinia and Cache Creek terranes.{{citation|url=https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2003JB002749|title=Accreted terranes of northwestern British Columbia, Canada: Lithospheric velocity structure and tectonics|year=2004 |journal=Journal of Geophysical Research: Solid Earth|doi=10.1029/2003JB002749 |access-date=7 Aug 2020|last1=Hammer |first1=Philip T. C. |last2=Clowes |first2=Ron M. |volume=109 |issue=B6 |bibcode=2004JGRB..109.6305H |doi-access=free }}

Quesnellia contains numerous deposits of alkalic Copper‐Gold porphyry.{{citation|url=https://www.sciencedirect.com/science/article/abs/pii/0375674293900068|title=Petrochemistry of shoshonitic rocks associated with porphyry copper-gold deposits of central Quesnellia, British Columbia, Canada|journal=Journal of Geochemical Exploration|access-date=7 Aug 2020|date=July 1993|doi=10.1016/0375-6742(93)90006-8 |last1=Tucker Barrie |first1=C. |volume=48 |issue=2 |pages=225–258 |bibcode=1993JCExp..48..225T }}