Blurt!Commonplace Book

“[O]ne slab sinking below the Mantle Transition Zone can create a mantle undertow that squeezes up mountains on an entirely different plate, 660 kilometers above it. This new level of tectonics now makes sense of other geological puzzles.” (Howard Lee, “Plate tectonics runs deeper than we thought”)

Saturday, March 7, 2020, 8:11:53pm PDT