GEOLOGICAL FEATURES AND METALLOGENIC MECHANISM OF JILIN ZHENGCHA Pb-Zn DEPOSIT
Feng Shou-zhong
Abstract
Feng Shou-zhong
Abstract
The characteristics of formation of Jilin Zhengcha Pb-Zn deposit is of polygene,multistage and multiphase and related to Yanshan porphyry.After research on geological features,isotope geochemistry features and metallogenic mechanism,the writer believes that metallogenic substance has double sources-strata and magma.Metallogenic water is the mixture of magma and precipitate water;Metallogenic heat are from magmatism of granoporphyre;the ore deposit belongs to stratabound skarn ore deposit.
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The characteristics of formation of Jilin Zhengcha Pb-Zn deposit is of polygene,multistage and multiphase and related to Yanshan porphyry.After research on geological features,isotope geochemistry features and metallogenic mechanism,the writer believes that metallogenic substance has double sources-strata and magma.Metallogenic water is the mixture of magma and precipitate water;Metallogenic heat are from magmatism of granoporphyre;the ore deposit belongs to stratabound skarn ore deposit.
Key concepts: Geology, Skarn, Geochemistry, Magmatism, Magma, Petrology, Tectonics, Hydrothermal circulation