Tibetan plateau first occupied by middle Pleistocene Denisovans. By applying U-series dating to the crust, the researchers found that the Xiahe mandible is at least 160,000 years old, representing a minimum age of human presence on the Plateau.

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Tibetan plateau first occupied by middle Pleistocene Denisovans. By applying U-series dating to the crust, the researchers found that the Xiahe mandible is at least 160,000 years old, representing a minimum age of human presence on the Plateau.