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bei mei shi qian tong qi kuang liao lai yuan yan jiu zhong ke ji fang fa de ying yong
Author(s): 
Pages: 54-59
Year: Issue:  1
Journal: Identification and Appreciation to Cultural Relics

Keyword:  铅同位素同位素分析同位素组成原料产地同位素特征不均匀性示踪法苏必利尔早期文明原生自然;
Abstract: <正>一、北美史前铜器及其矿料来源问题北美印第安人原本是2万多年前从亚洲迁徙到美洲的一个古老民族,经过漫长的岁月,印第安人遍布于北美大陆,并在那里繁衍生息。当哥伦布到达北美之时,印第安人仍然生活在一个以农业、采集、狩猎为主的
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