rocks and pebble shoreline on lake ontario

ancient background beach beauty busy collect collection colorful conceptual conglomerate continental copyspace earth earthscience epidote eroded erosion fossiliferous fossils geologist geology glacial glaciation glaciers gneiss granite igneous lake limestone metamorphic mineral newyorkstate nys ontario origin pebble region rocks round sandstone sandyisland science sedimentary serpentinite shoreline smooth stones treasure unique winnowing