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《Geotectonica Et Metallogenia》 1992-04
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THE METALLOGENIC TECTONO-GEOCHEMICAL OBSTACLES IN THE FENGSHAN ORE FIELD

XU Yaotong (Department of Earth Sciences, Nanjing University, Nanjing, 210008)  
Tectono-geochemical obstacle is the geological structural sector in which elemental consistency gradient is maximum in tectono-geochemicail field. Essentially, it is the geological structural sector in which the elemental activity is reduced rapidly because the tectono-geochemical environment changes suddenly and results in the differentiation and precipitation of elemental tectono-geochemistry. This paper applies the metallogenic theory of tectono-geochcmical obstacle to a systematic study of the tectono-geochemical obstacles of fautls, folds, and contact zones, and their mineralizations in the Fengshan ore field.
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