战国秦汉时期,中原的青铜文化已近“夕阳”,而地处西南边陲的云南青铜文化却刚刚步入“正午”。云南古代盛产铜矿,对此古代史籍中不乏记载,如:俞元(笔者注:今云南玉溪、江川、澄江一带)……怀山出铜。(《汉书·地理志》)贲古(笔者注:今云南个旧、蒙自一带),采山出铜、锡。(《后 During the Warring States and Qin and Han dynasties, the bronze culture in the Central Plains was near “sunset”, while the Yunnan bronze culture in the southwestern border had just entered into “noon.” Ancient copper-rich in Yunnan Province, there is no shortage of ancient history records, such as: Yu Yuan (author note: Yunnan Yuxi, Jiangchuan, Chengjiang area) ... ... Huai Shan copper. (“Han geography”) Ben ancient (I note: this Gejiu, Mengzi area), mining mountain copper, tin. ("Rear