Abstract
The metallogenic mechanism of gold ores in western Guizhou Province is analysed based on previous research data. These ores have been deeply explored in previous studies, which have suggested that Emeishan Basalt and source beds arising from the basalt eruption are major provenances of gold ores in south-western Guizhou Province. The source beds form under the impacts of paleogeography of land-ocean transitional facies/lithofacies, ores with special structures and hydrothermal sedimentation. The substances exposed on the surface of the earth are enriched on quaternary red earth after weathering. The times and time of cyclic hydrothermal alteration need to be further examined.
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