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Heritage Science
Fig. 12 | Heritage Science

Fig. 12

From: Copper alloy production in the Warring States period (475-221 BCE) of the Shu state: a metallurgical study on copper alloy objects of the Baishoulu cemetery in Chengdu, China

Fig. 12

(Data sources: Data of Qi, Yan, Wei, and Chu coins [40]. 2. Data of Zeng objects [38]. 3. Data of Jin-Han objects [21]. 4. Data of other Chu objects [39]. 5. Data of Bayilu Chu objects [20])

Comparison of the lead isotope ratios (208Pb/204Pb versus 206Pb/204Pb) between Baishoulu and other states.

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