noun
plume tectonics
Geological theory that explains crustal movement by mantle plumes rather than plate tectonics alone.
プルームテクトニクスは、マントル深部からの上昇流によって大陸が動くとする説だ。
Plume tectonics is the theory that continents move due to upwelling from deep within the mantle.
Variant with interpunct; less common in running text.
Borrowed from English 'plume tectonics'.