Punalu'u Black Sand Beach
Black sand beach is located on the hawaiian islands of the united states. 19.136'N 155.504'S
The beach is close to the inside of the plate, and its close to tectonic activity so it's an active coast
Hawaii was created with volcanic forces so its a secondary coast. The islands have been rising since they were created by volcanoes, it is an emergent coast.
The color of the beach's sand is black from the volcanic rock, the rock its made from is basalt due to lava cooling rapidly in the ocean
Its famous for having black sands. The lands around is very mountainous with volcanoes. The water is dangerous to swim in because it is very rocky