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The ages for porphyry Mo deposits in south segment of Da Hinggan Mountains, Northeast China, are not well known. Five molybdenite samples from the Aolunhua (奥伦花) porphyry Mo deposit, five molybdenite samples from the Yangchang (羊场) porphyry-quartz vein Mo deposit and two molybdenite samples from the Banlashan (半拉山) porphyry Mo deposit were selected for Re-Os dating. Three deposits are spatial-temporally...
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