Circles
Circles were constructed by setting small boulders into the surface of the ground. They may be small, with a diameter of approximately 1 m; or they may be semi-circular or large, with diameters of between 8 and 10 m.
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Small circles on the east side of two standing stones and several fallen stones. Bronze Age or later. Chigirtein Nuur. View southwest.
Small circles were apparently used for sacrificial burned offerings, perhaps over a period of several thousand years. They are found alone or on the east side of standing stones or in multiple numbers on the north, west, south, and occasionally east sides of khirigsuur. It is not possible to date them except be reference to organic materials found within or around them. The small circles typically surrounding khirigsuur may represent gradual additions over several generations or even centuries.
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Small circles surrounding a khirigsuur. Tsagaan Asgat. View northwest.
Small circles were apparently used for sacrificial burned offerings, perhaps over a period of several thousand years. They are found alone or on the east side of standing stones or in multiple numbers on the north, west, south, and occasionally east sides of khirigsuur. It is not possible to date them except be reference to organic materials found within or around them. The small circles typically surrounding khirigsuur may represent gradual additions over several generations or even centuries.
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Small circles on west side of a khirigsuur. Bronze Age or later. Tsagaan Asgat.
Small circles were apparently used for sacrificial burned offerings, perhaps over a period of several thousand years. They are found alone or on the east side of standing stones or in multiple numbers on the north, west, south, and occasionally east sides of khirigsuur. It is not possible to date them except be reference to organic materials found within or around them. The small circles typically surrounding khirigsuur may represent gradual additions over several generations or even centuries.
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Two large circles within a ritual site. Date uncertain. Baga Oigor IV, Tsagaan Salaa/Baga Oigor complex. View to northeast.
Large circles appear on terraces or ridges, alone or by twos. The function and age of large circles are uncertain.
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Large circle on a high terrace. Date uncertain. Upper Tsagaan Gol. View east down Tsagaan Gol.
Large circles appear on terraces or ridges, alone or by twos. The function and age of large circles are uncertain.
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Large circle on a high terrace. Date uncertain. Tsagaan Salaa I, Tsagaan Salaa/Baga Oigor complex. View east down Baga Oigor Gol.
Large circles appear on terraces or ridges, alone or by twos. The function and age of large circles are uncertain.
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Three attached circles or semi-circles. Date uncertain. Left bank Khöltsöötiin Gol. View west.
Semi-circles occur alone or by twos, but they are unusual with the Mongolian Altai. Their function and age are uncertain.

