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It's a mantle plume that's causing the track of the hotspot.
A mantle plume is an upwelling of abnormally hot rock within the Earth's mantle, and as the heads of mantle plumes can partly melt when they reach shallow depths, they are often invoked as the cause of volcanic hotspots. (from Wiki)
It's a mantle plume that's causing the track of the hotspot.
A mantle plume is an upwelling of abnormally hot rock within the Earth's mantle, and as the heads of mantle plumes can partly melt when they reach shallow depths, they are often invoked as the cause of volcanic hotspots. (from Wiki)
Did it make you hungry?Thanks for the fun 'mantle plume' lesson @Rockskipper !
That was awesome - though I'm not telling you how much time I spend this morning trying to figure out where that Mexican food truck is
There was one in Ennis at one time, too, but I don't know if it still is. I haven't been there in a while.The Taco Bus is also in Belgrade, Mt. It get's around.
They'll have to super stock it if you're coming.Bcp meetup at the taco truck?
For the record I think I've seen it in Silver Gate as well.
Did it make you hungry?
I'll meet you there for lunch.
ETA: I once spent two days MOL searching Alaska maps for one of @Ben 's famous (infamous) map spots, only to find out it wasn't in Alaska. I learned a lot about the state.
Did it make you hungry?
I'll meet you there for lunch.
ETA: I once spent two days MOL searching Alaska maps for one of @Ben 's famous (infamous) map spots, only to find out it wasn't in Alaska. I learned a lot about the state.
That's OK, I just made a bowl of chili. @LarryBoy made me hungry from reading his blog about the CDT. I'm a bit off course as well (as usual).That's funny! I did get hungry and I'm just a bit off course ("just a little too far south and east") for lunch.
http://www.mantleplumes.org/WebDocuments/Pierce2009.pdf
Is the track of the Yellowstone hotspot driven by a deep mantle plume? — Review of volcanism, faulting, and uplift in light of new data
View attachment 68670
Fig. 1. Seismic tomography reveals an inclined conduit of warm mantle material (thermal plume) inclined to the northwest from beneath Yellowstone (illustration from Huaiyu Yuan, based on Yuan and Dueker, 2005). At a depth of 500 km, the inferred plume is beneath Dillon, Montana (yellow dot and dashed lines), but in this study the inferred plume was traced no deeper than 500 km. Red outlines of hotspot calderas somewhat diagrammatic and also denote the progression of volcanic fields.