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Joe I heard you talking about the sleeping caldera. what's that?
It's below hot springs in Yellowstone, it looks like a crater. It got here by mantle plumes
Well actually Joe, scientists don't think that it's possible for a mantle plume to have reached the surface...
Wait, how did it get here then if the mantle plumes were blocked?
At first scientists thought that a slab of rock was blocking the mantle plume, and that the mantle eventually made it's way around it
But other scientists disproved this because as the slab sunk, it brought the thick mantle with it instead of it rising
I still son't get what happened then?
They found an additional heat source in the pacific. Juan de Fuca. Msgma oozes up between the tectonic plates
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