👉 Smokeholes are a type of geological formation that occurs in the Earth's crust. They are formed when molten rock, such as granite or basalt, cools and solidifies, creating an opening at the bottom of the rock. Smokeholes can be large or small, and they can range from a few meters to several kilometers deep. The primary function of smokeholes is to allow rocks to escape from the Earth's crust and to provide shelter for animals that live in the area. They are