THE YANGJIAZHANGZI-BAJIAZI MOLYBDENUM-POLYMETAL METALLOGENIC BELT IN WESTERN LIAONING PROVINCE: Characteristics of typical molybdenum deposits and prediction for exploration
Aili Li
Abstract
Aili Li
Abstract
The molybdenum deposits in the Yangjiazhangzi-Bajiazi molybdenum-polymetal metallogenic belt in Western Liaoning Province are closely related to Yanshanian acid-intermediate intrusion. The deposits that occur in the contact zone between granitoid and carbonate strata are skarn or porphyry-skarn type. The deposits hosted in granite-porphyry and felsic or intermediate volcanic rocks are mostly porphyry type of molybdenum deposits. The molybdenum deposits with different types share close spatiotemporal relations in genesis, distribution and zonation of ore-forming elements. The ore matters of the molybdenum deposits are derived from granite. The fine-grained granite is the parent rock for metallogenesis. Analysis on the metallogenic conditions shows a great prospect for exploration in the metallogenic belt.
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The molybdenum deposits in the Yangjiazhangzi-Bajiazi molybdenum-polymetal metallogenic belt in Western Liaoning Province are closely related to Yanshanian acid-intermediate intrusion. The deposits that occur in the contact zone between granitoid and carbonate strata are skarn or porphyry-skarn type. The deposits hosted in granite-porphyry and felsic or intermediate volcanic rocks are mostly porphyry type of molybdenum deposits. The molybdenum deposits with different types share close spatiotemporal relations in genesis, distribution and zonation of ore-forming elements. The ore matters of the molybdenum deposits are derived from granite. The fine-grained granite is the parent rock for metallogenesis. Analysis on the metallogenic conditions shows a great prospect for exploration in the metallogenic belt.
Key concepts: Geology, Skarn, Geochemistry, Molybdenum, Felsic, Intrusion, Mineralization (soil science), Volcano