Inversion is turning the sole of the foot or ankle medially, and eversion is turning it laterally.
Metamorphic rock. Metamorphic rocks arise from the transformation of existing rock types, in a process called metamorphism, which means change in form. The original rock is subjected to heat and pressure, causing profound physical and/or chemical change.The protolith may be sedimentary rock, igneous rock or another older metamorphic rock.he original rock is subjected to heat and pressure, causing profound physical and/or chemical change. The protolith may be sedimentary rock, igneous rock or another older metamorphic rock.
Metamorphic rock. Metamorphic rock is rock that has changed from one type of rock into another. The word metamorphic comes from Greek and means of changing form.. Metamorphic rock is produced from igneous, sedimentary, or even other metamorphic rocks. Most of Earth's crust is made up of metamorphic rock.