Geology
Kimolos,Milos and the smaller islands that surround them, belong to the Aegean volcanic arc and consist mainly of acidic volcanic rocks. In some places, the pre – volcanic bedrock can be observed. Large areas of Kimolos are covered by tuffs and the volcanic activity can be obvious from the hot springs, the existence of a notable geothermal field, the characteristic landscape and the strange landforms. The island is also rich in minerals of the silica group and in significant industrial minerals. One of the most famous geologic formations in Kimolos is Skiadi. Skiadi is a huge, mushroom - shaped stone that dominates the middle of a windy small valley in the interior of the island. The cause of its creation is the wind and the different hardness of its consisting rocks. Its base is made of softer material while the top is of harder . Therefore, as the wind drifts grains of dust, it scratches continuously the rock, and through the centuries gave it a characteristic, unique form. This process is called ablation.
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