| Citation: | Liu Tiesheng, Chen Wenhui, Huang Xiangkuan, Cao Yunjiang, Ye Shun, Zhao Yanming. Metallogenic Geological Characteristics and Genesis of the Rb-Sn Polymetallic Deposit in Mount Tiantang, Guangdong Province[J]. Multipurpose Utilization of Mineral Resources, 2022, (1): 104-115, 135. doi: 10.3969/j.issn.1000-6532.2022.01.013 |
Tiantangshan Rb-Sn polymetallic deposit in Guangdong Province is located at the intersection of the southern part of the NNE trending Wuyishan polymetallic metallogenic belt and the eastern end of the Nanling latitudinal polymetallic metallogenic belt. Based on the study of the geological and metallogenic characteristics of the rubidium tin polymetallic ore body in Tiantangshan, Guangdong Province, it is found that the ore body mainly occurs in the volcanic rocks of the second subgroup of the upper Jurassic Gaojiping group and its tectonic fracture alteration zone, joint fissure alteration zone and the uplift of granite. The background concentration of Rb is relatively high in the volcanic rocks of the second subgroup of the Jurassic Gaojiping group, This stratum is the main ore bearing horizon of rubidium ore body. Based on geological characteristics and geochemical evidence, it is considered that the source of minerals is related to volcanic rocks and Yanshanian rocks. The genesis of hornblende type rubidium deposit, greisen type rubidium deposit, albitized granite type niobium tantalum deposit, structural fracture alteration zone (rock) type tin deposit, greisen type tungsten tin deposit, veinlet leaching type tin deposit, lead zinc deposit and copper deposit in the area is post magmatic gas hydrothermal filling metasomatism The main multi-stage and multi-stage mineralization is a group of ore deposits with genetic relationship formed in different evolution stages, different metallogenic geological conditions and different parts.
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Ore-forming zone in the southern section of the Nanling metallogenic belt and the southern section of the Wuyishan polymetallic metallogenic belt
Geological structure map of mining area
Ore structure
Schematic diagram of metallogenic model of the Rb-Sn polymetallic deposit in the Tiantangshan mining area