Period Overlay
Many sites within the study area involve monuments representing a long cultural history extending from the Bronze Age (or earlier) down through the Turkic period. In these cases the monuments are side by side, even closely so. We invariably sense that those who raised the later monuments understood and valued the presence of more ancient structures: that the earlier material in some way sanctified that particular site. This process of period overlay is well observed on the terraces of Khara Zharyk, Tsagaan Asgat, and on a number of terraces on the north and south shores of Khurgan Nuur. Such overlay reflects the operation of cultural memory, even if that memory was socially articulated on a mythic level.
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On this terrace on the north shore of Khoton Nuur, Turkic enclosures and image stones have been set up beside Bronze Age khirigsuur.
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In a valley north of Mogoityn Gol, enclosures (background) and balbal face east to a ruined khirigsuur (foreground). Turkic period, Bronze Age.
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Old mound topped by two ovoo at the edge of a high ridge overlooking the valley of Mogoityn Am. Bronze Age, recent.
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A sequence of burial mounds terminating at a modern Kazakh cemetery, left bank Sagsay Gol. Early Nomadic period, recent.

