Two types of technique for making microblade were recognized at ND3 site: the wedge-shaped core technique and the semi-conical core technique. The stone artifacts uncovered by ND3 illustrate the complete process of producing microbaldes using these methods. Credit: Jin Yingshuai
A research team led by Prof. Zhang Xiaoling from the Institute of Vertebrate Paleontology and Paleoanthropology , under the Chinese Academy of Sciences, recently reported the discovery of the earliest microblade technology site in the hinterland of the Tibetan Plateau. Their study identifies ND3, a site located on the shores of Silin Lake, at an altitude of approximately 4,600 meters , as a significant location for understanding microblade adaptations in remote, high-altitude regions.
The microblade technology on the Tibetan Plateau originates from southern North China and first appeared on the northeastern edge of the plateau around 15,000 years ago. This technology made its way into the hinterland of the Tibetan Plateau through the Kunlun Mountains and the Qingnan Plateau between 11,000 and 10,000 years ago. Subsequently, it spread widely across the entire plateau.
Microblade technology spread into the hinterland of the plateau during the Holocene, a period characterized by a favorable climate. The flat terrain of the northern Tibetan Plateau facilitated a rapid diffusion of this technology. By the Middle Holocene, microblade technology spread southward and eastward, primarily distributing within the river valleys of southern and eastern Tibet.
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