Balearic Islands eroded erosion formations limestone Lluc majorca Mallorca natural nature rock shapes Spain striated striation trees worn bedrock cantera cliff escarpment fault formation geology nature reserve outcrop rocas. terrain fence forest forests hill kudowa kudowa-zdroj mountain mountains pebble pebbles pine pines rocks stone stones wood woods pleated barren column landscape outcropping pile pillar rocky savannah stoney wilderness acantilado coast coastal and oceanic landforms headland Klippe promontory sea shore color colors diamond element florecent fossil gem geod Mineral mineral deposit natural deposit ore phosphorus precious texture