Unlike the Cascades, the Olympic Mountains are not volcanic, and contain no native granite.
citation
Wikipedia contributors. (2024, February 1). Olympic Mountains. In
Wikipedia, The Free Encyclopedia
. Retrieved February 6, 2024, from
https://en.wikipedia.org/w/index.php?title=Olympic_Mountains&oldid=1201811606
from
Olympic Mountains (Wikipedia)
tags
Olympic Mountains
Cascade Range
volcano
granite