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The Yunnan Himalayan alkaline-rich porphyry occurs as a compound rockbelt and consists of calca-alkalic, alkaline and peralkaline intrusions. Its origin is in debate. The paper deals with its origin by studying rock’s REE and Sr isotope. Although the rocks are different in their REE contents varying from 77.53 µg/g to 1 798.3 µg/g, they have very similar features in REE parameters. On the triangalar...
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