semi-molten and denser than crustal rock marine rock: rock that formed in the ocean (i.e. limestone) metamorphic rocks: formed when igneous or sedimentary rocks are subjected to extreme heat and pressure, causing them to bend, fold, squeeze and literally, change shape and composition.
(rock; formed; L:in the ocean; metamorphic rocks) (them; to fold; ) (them; to squeeze; ) (igneous or sedimentary rocks; are subjected; to extreme heat and pressure) (them; to literally change; shape and composition)
rock them them igneous or sedimentary rocks them
formed to fold to squeeze are subjected to literally change
L:in the ocean metamorphic rocks
to extreme heat and pressure
shape and composition