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《》 1987-04
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ON THE STRUCTURE OF THE METALLOGENIC SERIES

Zhai Yusheng Xiong Yongliang ( Wuhan College of Geology, Wuhan 430074 )  
Based on the research work on W, Sn, Fe, Cu, Au, Mo ore deposits in China, the spatio-temporal structure and mass distribution relationship among different types of ore deposits in a metallogenic series have been discussed. We have propounded three main relationships: (1) "transitivity" , (2) "superposition" and(3) "compensation". Transitivity means the existence of transitional type between two end-member genetic types of ore deposits in a metallogenic series. Superposition means the later ore types superimposed on the earlier ore types, and they both occupy the same space span. Compensation signifies that the mass distribution of ore-forming material among different genetic types in a metallogehic series is usually unequal. All these are exemplified by studies on the Fe and Cu metallogenic series in the Middle-Lower reaches of Yangtze river. The three relationships are of great significance both theoretically and practically.
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