Abstract
The problem of ore-bearing potentiality of the strata involves metallogenic theory and ore-search orientation. Studies of the spatial distribution of endogenic Au-Ag polymetallic ore deposits in North Hebei indicated that the strata in which ore deposits occurred range in age from Paleozoic, Proterozoic to Mesozoic. In addition the ore deposits are characterized as being strata-bound in nature. The arise and establishment of “extracting” viewpoint may be attributed to the following three reasons: 1) influence by the idea of “ore-source bed”; 2) limitation of analytical techniques in the 1980s’ (especially gold element); and 3) a small number of samples (sampling locations were mostly disturbed by mineralization). Studies have shown that ore-forming materials would most probably come from the deep interior of the Earth. Deep-seated ore-bearing materials including Au-Ag polymetals were brought to the shallow levels by way of mantle plume-mantle sub-plume-mantle branch structure multi-stage evolution, finally leading to the formation of ore deposits.
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Wang, B., Niu, S., Sun, A. et al. Endogenic Au-Ag polymetallic ore deposits and ore-bearing potentiality of strata. Chin. J. Geochem. 29, 407–415 (2010). https://doi.org/10.1007/s11631-010-0473-3
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DOI: https://doi.org/10.1007/s11631-010-0473-3