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Metal artifacts from the Paleometal Epoch (ca. 1100 BC–400 AD) of the Primorye (Russian Far East) have shed new light on the introduction of the earliest bronzes into the Pacific coastal areas of prehistoric Eurasia. However, little is known about raw material circulation and the role of metal in the context of inter-regional exchange. This paper investigates 12 copper artifacts from major Paleometal settlements using alloy composition, trace elements, and lead isotopes to explore the metal sources and distribution networks. The results suggest that most objects are made of a copper-tin alloy, but some have arsenic as a significant minor element . Geologically, copper is unlikely to have come from local ore sources, but rather from the Liaoxi corridor and Liaodong Peninsula in Northeast China. This may indicate an inland route of metal trade across Northeast China or alternately, a coastal route via the northern Korean Peninsula. Archaeologically, the combined study of artifact typology and chemistry indicates two possible origins for the metal: the Upper Xiajiadian culture in Northeast China and Slab Grave culture in Mongolia/Transbaikal. Remarkably, the connection with Upper Xiajiadian communities parallels the transport route along which millet agriculture spread from Northeast China to the Primorye during the Neolithic.

Archaeological records reveal the history of pottery and roof-tile firing devices in the southern part of the Russian Far East, the neighboring Korean Peninsula, and northeast China. Chronological parameters are from the first millennium b .c . through the thirteenth century a .d ., including the Palaeometal period of the Prehistory epoch, Pre-State period, and Early States epoch. Different types of firing kilns varied in complexity of form and technology, including the tunneled sloping kiln, manthou kiln, and vertical up-draught kiln. These specific characteristics reflect the involvement of the ancient southern Russian Far East in the processes of cultural interaction within the larger East Asia region.