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Seafloor Spreading
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Total cards: 5•Content version: v4•Public deck•Updated: 8/1/2026
Card preview (5)
#1
Front (Question)
The process by which the ocean floor sinks beneath a deep-ocean trench and back into the mantle.
Back (Answer)
subduction
#2
Front (Question)
the study of magnetic rocks and sediments to record the history of the magnetic field.
Back (Answer)
paleomagnetism
#3
Front (Question)
composed of oceanic lithosphere and thicker continental lithosphere, each topped by its own kind of crust.
Back (Answer)
tectonic plates
#4
Front (Question)
a theory that unifies the concepts of continental drift and sea floor spreading.
Back (Answer)
plate tectonics
#5
Front (Question)
Tectonic plates is composed of ______ crust composed of large landmasses of the world and ____ crust which lies below great oceans.
Back (Answer)
continental, oceanic