The Spread and Impact of Rotary Stone Mills on the Qinghai-Tibet Plateau
As a grain processing equipment,stone mills in early stages were produced in the changjiang(Yangtze)and Huanghe(Yellow)River basins.After gradual improvement,they developed into rotary stone mills during the early Spring and Autumn Period,achieving the first leapfrogging development in the history of stone mills.Until the Warring States Period,the rotary stone mill started to adopt water energy as its power source and developed into a water mill,which enjoyed milestone significance in both the development history of stone mills and the history of world technology.After the technological innovation and successful popularization,the rotary stone mill and its related technologies in the Changjiang(Yangtze)River and Huanghe(Yellow)River basins spread around with their strong technical strength and strong cultural and social impact force,among which the spread to the Qinghai-Tibet Plateau played the multiple functions of the natural and cultural and social attributes of the rotary stone mill.The process of the spread of rotary stone mill to the Qinghai-Tibet Plateau has gone through different periods and several paths.In the Tang Dynasty,the rotary stone mill was officially introduced into Lhasa,which was particularly significant,and its spread from the western Sichuan and Shaanxi and Gansu areas to the east and southeast of the Qinghai-Tibet Plateau was also emerging.The rotary stone mill in Lhasa began from the aristocracy and privileged class,and then to the grassroots society.At first,it was more reflected in its cultural and social carrying capacity,but the spread to the Qinghai-Tibet Plateau through folk economic,social and cultural flow showed more in reflecting the multiple attributes of natural and cultural society.The multi-path diffusion of the rotary stone mill spread in different periods and through diversified paths has left rich historical footprints,reflected in many aspects of life,economy and social culture.It has exerted a significant influence on the economic and social development and historical and cultural changes of the Qinghai-Tibet Plateau,and also revealed the basic law of the formation of centripetal force and cohesion of the Chinese nation from the aspects of nature and humanity.
rotary stone millthe Qinghai-Tibet Plateauspreadimpact
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