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Hejiangkou W-Sn-polymetallic deposit is a newly found deposit in Xitian ore field, one of the important and large scale W-Sn-polymetallic ore fields in the middle segment of Nanling metallogenic zone. Re-Os isotope dating was used on three molybdenite samples from Hejiangkou deposit to determine the ore forming period. The result is (224.9±2.6)Ma-(225±3.1)Ma and isochron age is (225.5±3.6)Ma. The...
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