orbicular diorite
orbicular diorite orbicules are concentrations of one or more minerals commonly biotite or amphibole arranged radially or in concentric patterns formed by differentiation of material in the magma with subsequent crystallization Origin Corsica
Size: 5059px × 3364px
Photo credit: © Scott Camazine / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: concentric, crystallization, diorite, igneous, magma, orbicular, orbicules, pattern, porphyritic, rock, texture