exploring vancouver island in spring 🌊 rock pillows, giant potholes, sea caves & a fault line
Becky Nesel
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exploring vancouver island in spring 🌊 rock pillows, giant potholes, sea caves & a fault line
3 072 просмотра · 1 г. назад
Becky Nesel
25,1 тыс. подписчиков
3 072 просмотра · 1 г. назад
Explore with me on a spring trip to Vancouver Island! Among the many geological wonders we see things like rock pillows, giant potholes, sea caves, a fault line, an unconformity, a hidden waterfall, and more!
My friend Rachael, a naturalist and fellow science communicator, can be found @thenatureeducator here on YouTube and Instagram! (Thank you Rachael for all your help filming this video and for being a great co-host💛)
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Sources and further reading links in this Google Doc:
https://docs.google.com/document/d/1a...
Image sources:
Video of pillow basalt: https://volcanoes.usgs.gov/vsc/glossa...
Video footage from the movie "Pele Meets the Sea" courtesy of Richard Pyle (deepreef@bishopmuseum.org) at Lava Video Productions.
Ophiolite sequence diagram: https://en.wikipedia.org/wiki/Ophioli...
Ice sheets melting animation: https://animations.geol.ucsb.edu/2_in...
Cordilleran ice sheet map: https://salishmagazine.org/huge-ice-f... Map courtesy of Richard Franklin.
Satellite image of Vancouver Island and Olympic Peninsula: https://earthobservatory.nasa.gov/ima...
Subduction animation: https://animations.geol.ucsb.edu/2_in...
Pothole drawing: https://grandma-in-lapland.com/the-la...
Geologic map of Vancouver Island showing Wrangellia, Crescent, and Pacific Terranes: https://opentextbc.ca/physicalgeology...
© Steven Earle. CC BY. After the Geological Survey of Canada.
Current tectonic situation on the west coast of North America: https://opentextbc.ca/physicalgeology...
© Steven Earle. CC BY.
Cross section of subduction on the west coast of north america/vancouver island: https://opentextbc.ca/physicalgeology...
© Steven Earle. CC BY. After the Geological Survey of Canada.
Map of north america during the Cretaceous, showing the approaching terranes on their way towards North America: https://opentextbc.ca/physicalgeology...
© Steven Earle. CC BY.
Leech River fault 3D diagram and 2D map: https://earthquake.usgs.gov/static/lf...
Animation of tectonics of western North America: https://agupubs.onlinelibrary.wiley.c... Scotese, C.R., & van der Pluijm, B., 2020. Deconstructing Tectonics: Ten Animated Explorations, "Terrane Accretion", Earth and Space Science, 7, e2019EA000989. https://doi. org/10.1029/2019EA000989