The khondalite lithology is composed of a suit of metamorphic aluminium-sedimentary rock.During the Jinning movement, the sedmentary rock experienced four stages of metamorphism.
心理学百科 The Psychology Book (Big Ideas Simply Explained)
Reaching Equilibrium In addition to defining the four stages, Piaget identified several fundamental facets of the developmental process that were required through each of the stages, assimilation, accommodation, and equilibrium.