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The Laojiezi alkaline volcanic rocks, which are located in the intraplate region of the Yangtze craton, coincide with the formation of the Jinshajiang‐Ailaoshan‐Red River alkaline rock belt. Although this belt has been widely studied by geologists because of its porphyry‐related Pb‐Ag‐Au polymetallic deposit and geotectonic location, the material sources of this belt are still debate. Whole‐rock analyses...
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