multiphase tectonic activity中文什么意思

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From the characteristic of district geochemistry , we can figure out , cu , ag , pb , zn abnormality main spread along the west branch river set and close to border layer , and the rock chemistry analysis prove , west branch river set have the higher ag chemical element abundance , the cu have the characteristic of asymmetry distribute , and display the migration of element in the late multiphase tectonic activity
從區(qū)域地球化學(xué)特征可以看出， cu 、 ag 、 pb 、 zn等元素異常主要沿西岔河組及相鄰層位分布，巖石化學(xué)測(cè)量證明，西岔河組在區(qū)域上具有較高的ag元素豐度值， cu元素具不均勻分布特征，顯示出元素在后期的構(gòu)造活動(dòng)中的活化遷移。

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