Gerduberg Cliffs Gerduberg is around 500 meters long basalt column cliff. They are mostly twelve to fourteen meters high and about one and a half meters in diameter. Basalt is a volcanic rock formed from the rapid cooling of basaltic
Gerduberg Cliffs Gerduberg is around 500 meters long basalt column cliff. They are mostly twelve to fourteen meters high and about one and a half meters in diameter. Basalt is a volcanic rock formed from the rapid cooling of basaltic