According to the mantle plume hypothesis explaining the calderas southwest of Yellowstone National Park, if the calderas are progressively older in

According to the mantle plume hypothesis explaining the calderas southwest of Yellowstone National Park, if the calderas are progressively older in one direction, this suggests

the plume is moving through the mantle underneath the stationary tectonic plate in the direction the calderas get younger

the tectonic plate moving over the stationary plume is traveling in the direction the calderas get younger

the plume is moving through the mantle underneath the stationary tectonic plate in the direction the calderas get older

the tectonic plate moving over the stationary plume is traveling in the direction the calderas get older

all of the above

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