honeycomb weathered, eroded sandstone rock sea cliffs at the beach. salty water dries out salt crystals form in the rock

rock weathering honeycomb geology sandstone stone erosion coastal cliff natural pattern background elgol texture cavernous outside fretting alveoli outdoor lattice eroded lace salt alveolar weathered sponge isle skye sea cliffs fossil abstract white hebrides holes pitted bathonian highlands close mineral formation careous textured jurassic nature vancouver island british columbia beach salty water dries crystals form believed causing local crumbling