Abstract
On the basis of regional strata, magmatic activity, ring and radial faults, gently dipping detachments, geophysical information and isotopic age, this paper discusses the characteristics of mantlebranch structure in western Shandong. According to the characteristics of ore-control structures, gold deposits in the Luxi mantlebranch structure are divided into ductile shear zone type and detachment-slip layer type deposits. The detachment-slip layers type deposit, including the Guilaizhuang gold deposit and Mofanggou gold deposit are significant economic types. The_δ34S values of pyrite associated with gold mineralization exhibit a narrow range of-0.71 to 2.99%., implying that the sulfur was probably derived from the mantle or magma, whereas the_´18Ofluid and_´D values suggest that the ore-forming fluids of the gold deposits mixed with meteoric water in the shallow level.
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Niu, S., Sun, A., Hu, H., Wang, B., Xu, C., Mao, J. (2005). The formation of a mantle-branch structure in western Shandong and its constraints on gold mineralization. In: Mao, J., Bierlein, F.P. (eds) Mineral Deposit Research: Meeting the Global Challenge. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-27946-6_10
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DOI: https://doi.org/10.1007/3-540-27946-6_10
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