black and white close up of striped, curvy and zig zag rock patterns

abstract angle art artistic banding bands bedrock black close contrasting curves curvy depth design earth extreme feldspar foliation formation geoscience gneiss gray greenland highly hornblende metamorphic metamorphosed migmatite mineral natural nature patterns pressure process recrystallization recrystallized rocky schist science sinuous squeezed stone striped stripes textural tiger unique white zebra migmatite neosome diagenesis Lyell stone boulder partial melting folding folded folds design pattern natural nature geology geologic tight veins felsic mafic crystalline ptygmatic leucosome melanosome eutaxitic penultimate anatexis climbing vine texture feldspathic