Black and White rocks
Black Rocks is a geological wonder of Iturup, combining gray columnar rocks with a beach of black volcanic sand that shimmers in the sun. Then there are snow-white majestic rocks. They are also formed by a volcano and consist of pumice. Once during the eruption of the volcano, these places were under water, and the lava, saturated with gases and flowing from the bowels of the earth under water, foamed and bubbled, instantly freezing. This is how pumice deposits were formed, which later rose above sea level during one of the numerous earthquakes. Black rocks are rather similar in color to gray columnar rocks with a beach of black volcanic sand that shimmers in the sun. Further, white rocks stretch for several kilometers. They are also formed by a volcano and consist of pumice. Once, when the volcano erupted, these places were under water. And the lava, saturated with gases and flowing from the bowels of the earth under water, foamed and bubbled, instantly freezing. This is how pumice deposits were formed under water, which later rose above the sea during one of the numerous earthquakes. A Also, a very interesting phenomenon of those places is titanomagnetite sand, the particles of which are magnetized to a magnet.
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