niedziela, 14 października 2012

462. Olkhon

 Olkhon is the third-largest lake-bound island in the world. It is by far the largest island in Lake Baikal in eastern Siberia, with an area of 730 square kilometres. Structurally, it acts as the southwestern margin of Academician Ridge. The island measures 71.5 kilometres in length and 20.8 kilometres in width. Olkhon has a dramatic combination of terrain and is rich in archeological landmarks. Steep mountains line its eastern shore, and at 1,276 metres above sea level, Mount Zhima is the highest point on the island, peaking at 818 metres above the water level of Lake Baikal. The island is large enough to have its own lakes, and features a combination of taiga, steppe and even a small desert. A deep strait separates the island from the land.  The island's appearance is a result of millions of years of tectonic movement resulting in the hollowing of the channel between the land (Small Sea Strait) and the block of stone forming the island. The steep slopes of the mountains show the vertical heave of the earth

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