Re-evaluating the Silk Road's Qinghai Route using dendrochronology

摘要: Abstract The opening of the Silk Road vigorously promoted economic and cultural exchanges between Central Asia, Europe, northern India China. easternmost section ancient trade route was established during Qin-Han period (221 BC to 220 AD). Previous research has shown that there were three routes: first is known as “Hexi Route”, second “Juyan Route” or “Prairie third “Qinghai Route”. Qinghai Route long been viewed merely an auxiliary line Hexi which used when main blocked by warfare. Others believe 5th 6th century it controlled Tuyuhun Kingdom. Yet, 7th 8th century, after Tibetan occupation region, no longer a route. Dendrochronology, study tree-rings, precise dating method can be accurate year. In this study, wood remains excavated from tombs along studied means dendrochronology in order determine date better understand used. lot commercial goods such silk products, pottery, lacquer carpentry found. determined together with other archaeological data, showed early Tang Dynasty High (early late century), one routes communication West This disproves hypothesis only century.