Metal Mine ›› 2016, Vol. 45 ›› Issue (01): 109-113.
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Du Xianbiao,Gan Yanjing,Zheng Haitao
Online:
Published:
Abstract: The Tongshi miscellaneous rock mass is the hypabysaal-super meta-alkaline hypabysaal miscellaneous rock mass in Mesozoic early Yanshan period.The three-dimensional shape of the miscellaneous rock mass like a pagoda,it is consists of three stages of the products (monzonitic diorite rock mass,monzonitic porphyry rock mass and cryptoexplosive breccia rock mass) of magmatic activities.The Paleozoic cambrian carbonate rock mass is distributed in the periphery of the Tongshi miscellaneous rock mass.A large number of gold ore deposits (points) that have been found are located in the inner and outer space of Tongshi miscellaneous rock mass.Based on analyzing the metallogenic belts characteristics,mineralization characteristics,ore-controlling factors of Tongshi area,the prospecting prospective of Tongshi area is discussed in depth,the results show that:①the gold ore deposits (points) in Tongshi area can be divided into two orthogonal metallogenic belts,Ganglian-Mofanggou-Xiaoguangquan metallogenic belt with striking about 35° and Zhuojiazhuang-shizizhuang-Guilaizhuang metallogenic belt with striking about 300°,Heqizhuang-Dongli-Dongdawan metallogenic belt with striking about 30°and Zhanglidongling-Yindonggou-Majiazhaizi metallogenic belt with striking about 295°,most of the gold ore deposits (points) in Tongshi area are controlled by the structural fractured (crack) belts that they are parallel or orthogonal with the above two orthogonal metallogenic belts.②the prospecting direction of Tongshi area is the "one belt" and "one zone","one belt"is the outer ring belt of Tongshi volcanic-intrusive miscellaneous rock mass,which is located in Zhuojiazhuang-Shizizhuang-Guilaizhuang metallogenic belt; "one zone" is the extension fracture development zone,which is around the outer ring of sub-volcanic intrusive miscellaneous rock mass,the relationship between gold metallogenic in Tongshi area and monzonitic porphyry is direct,besides that,the relationship of gold metallogenic in Tongshi area and the Dingjiazhuang stratum of the lower cambrian series Zhushadong formation is close.The above research results about the gold ore deposits in Tongshi area can provide some reference for the prospecting work in this area.
Key words: Miscellaneous rock mass, Metallogenic belt, Mineralization characteristics, Ore-controlling factors, Prospecting prospective
DU Xian-Biao, GAN Yan-Jing, ZHENG Hai-Tao. Geological Characteristics and Prospecting Prospective of the Gold Ore Deposits in Tongshi Area,Western Shandong Province[J]. Metal Mine, 2016, 45(01): 109-113.
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