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The genesis of Zhaxikang deposit is still debated, and three main geological environments have been proposed to model the mineralization: hot spring, magmatic hydrothermal fluid, and sedimentary exhalative (SEDEX) overprinted by hydrothermal fluid. This study presents elemental and Sr–He–Ar isotopic data of minerals from different mineralization stages to support the genetic model of earlier submarine...
The newly discovered Yongxin Au deposit in the Lesser Xing'an Range of north‐eastern Heilongjiang Province, NE China, has a resource of ~20 t with a grade of 4.1 g/t Au. The deposit is hosted by Carboniferous syenogranite and mylonite, and Cretaceous diorite porphyry and granite porphyry. The syenogranite has a LA‐ICP‐MS 206Pb/238U zircon age of 316 ± 2 Ma, and both the granite porphyry and diorite...
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