cliffs on the south shetland coast near sumburgh head

359 393 action ago approximately are argillaceous bedrock bressay cliff cliffs coast coastline craggy debris destination devonian erosion europe fissured flagstone formation formed fragmented geological geology head incline inclined interbedded island islands landscape layer layers million natural nature outside people period remote rock rocks rugged sandstone scotland sea sedimentary shetland shetlands shoreline south strata sumburgh this tourist travel wave waves weathered which wild years