abstract rock pattern with swirls and curves

abstract rock pattern swirls curves meanders meandering curvy rocky aerial view migmatite gneiss foliation distortion distorted orchard beach bronx county york city state stone swirly felsic mafic light dark tone hues iron oxide push pushing disturbed disturbance prodding force forced pressure upward motion design anticline syncline fold folding recumbent fracture fractured joint jointed offset timeline relative age dating techniques