https://youtu.be/3o3IJlAHhTE [5:11 minutes]
Published on Aug 15, 2017
OSU/IRIS
Collaboration--Pacific Northwest Earth-science series. Tectonics of
the Pacific Northest yield a varied volcanic history. The Pacific
Northwest boasts an active volcanic arc (Cascades Range), a nearby
ocean ridge (Pacific Plate-Juan de Fuca Plate spreading ridge), the
world’s youngest flood basalt province (Columbia River Basalt), a
hot-spot chain of eastward-younging volcanoes (Yellowstone Trend),
volcanism related to continental extension, and more. It is a
volcanological wonderland. The western margin of North America has
long been dominated by subduction and dextral transtension. This
animation attempts to simplify a complex tectonic interaction
through cross sections. This animation was created to accompany a
Plenary talk at the 2017 IAVCEI meeting in Portland, OR. Written
and directed by Anita Grunder, Oregon State University Graphics,
animation, & narration by Jenda Johnson,Earth Sciences Animated
Reviewed by Ray Wells, U.S. Geological Survey
Collaboration--Pacific Northwest Earth-science series. Tectonics of
the Pacific Northest yield a varied volcanic history. The Pacific
Northwest boasts an active volcanic arc (Cascades Range), a nearby
ocean ridge (Pacific Plate-Juan de Fuca Plate spreading ridge), the
world’s youngest flood basalt province (Columbia River Basalt), a
hot-spot chain of eastward-younging volcanoes (Yellowstone Trend),
volcanism related to continental extension, and more. It is a
volcanological wonderland. The western margin of North America has
long been dominated by subduction and dextral transtension. This
animation attempts to simplify a complex tectonic interaction
through cross sections. This animation was created to accompany a
Plenary talk at the 2017 IAVCEI meeting in Portland, OR. Written
and directed by Anita Grunder, Oregon State University Graphics,
animation, & narration by Jenda Johnson,Earth Sciences Animated
Reviewed by Ray Wells, U.S. Geological Survey
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