Salal Creek Pluton
The Salal Creek Pluton, also called the Salal Creek stock, is a small circular quartz monzonite intrusion with an area of . It is eight million years old, containing 52 dikes composed of basalt and was probably formed  or less below the Earth's surface. It forms part of the Pemberton Volcanic Belt, a geological formation that formed as a result of subduction zone magmatism in the Canadian Cascade Arc. See also
Volcanism of Western Canada

References

Pemberton Volcanic Belt
Miocene magmatism
Stocks (geology)
Igneous petrology of British Columbia
Neogene British Columbia