We fancy ourselves prepared. We almost turned back when I thought I forgot the peanut butter, but alas, past me was prepared.
It rained all through the Fraser Valley and Fraser Canyon. Not until we got up to Ashcroft did the drizzle let up. As such, we had beautiful views of fog and smoke.
We made a detour to the Chasm Ecological Reserve for lunch, and witnessed a chasm of fog.
Written by a geologist, this sign would read as follows:
“The Last Glacial Maximum dates back to approximately 20,000 ya. A subsequent period of warming caused widespread glacial melt over the next 10,000 years. During this time, large volumes of glacial meltwater carved many (but not all) of the valleys and canyons that can be found throughout British Columbia. This erosion exposed strata in the underlying rock, which, at the Chasm Ecological Reserve, consists mainly of extrusive felsic rock (aka lava) from several sequential eruptions. Hydrologically driven erosion continues to this day. ”
We made it to Lac La Hache for the first night only to see yet more smoke and some children yelling “hooooy-yaaa” in the water, which was quite warm.
Driving to Prince George the next day yielded some blue skies and more geological features.
Basalt columns result from the relatively rapid cooling of lava (usually mafic?). As it cools, it shrinks and pulls away from neighboring sections, which forms hexagonal columnar jointing. Not an uncommon feature in this part of the world.
Tomorrow we drive out to Tumbler Ridge to set eyes upon yet more geological features (you can see a theme now, I hope), but it looks like there is heavy smoke from a nearby fire, so we will see (or not see.. it depends how thick the smoke is).
We will likely be off the grid for the next few days, so stay tuned for more photos of smokey geology.