The continents sit on slabs of rock, called tectonic plates, and those plates float on a sea of molten lava.
Rick Yancey -- The 5th Wave
But for Mortenson’s swaying school on wheels, the collision of tectonic plates that had occurred in this zone millions of years earlier was more to the point.
Greg Mortenson & David Oliver Relin -- Three Cups of Tea
It will be a colossal cultural collision, a grinding together of the tectonic plates that are East and West.
James Bradley -- Flags of Our Fathers
"You may think tectonic plates have nothing to do with you, Miss Keenan!" he yelled.
David Almond -- Kit’s Wilderness
Like most scientists, I believe that involuntary laws of nature explain the behavior of planets, tectonic plates, weather systems, and viruses.
Jay Allison, et al. -- This I Believe II
The book was about how Eldridge and some other scientists had gone down to the bottom of the ocean in a submersible and discovered hydrothermal vents at the places where tectonic plates met, which spewed mineral-rich gases reaching up to 700 degrees.