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The Luojiahe Cu deposit in the Zhongtiaoshan region is located in the southern margin of the North China Craton. The orebodies are hosted in the mafic volcanic-sedimentary sequences of the metamorphosed (greenschist-facies) Neoarchean Songjiashan Group. The Luojiahe Cu mineralization can be divided into the primary volcanogenic massive sulfide (VMS) mineralization stage (Stage I, banded or stockwork...
The Tongkuangyu porphyry copper deposit is located in the Zhongtiaoshan region, southern margin of the North China Craton. More than 2.8million tons of Cu (Average Cu grade: 0.68%) is hosted in the Paleoproterozoic quartz-monzonite porphyry (2122±10Ma). The ore-forming processes of the Tongkuangyu porphyry Cu deposit are divided into three mineralization stages, namely the early-, main- and late mineralization...
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