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通过X射线衍射、红外光谱、矿物微形态(SEM)以及定点元素(EDS)测试与分析发现,东山村遗址第8层底部发现的矿物颗粒为蓝铁矿.东山村......
Low magnetic susceptibility, low Sr content and hence high Rb/Sr ratio in the lake sediment sequence indicate a weak che......