The Coexistence And Symbiosis Relation Research Of Jinding Large-scale Lead Zinc And The Sulfate Ore Deposit

The Jingding lead-zinc deposit accumulation reserves Pb+Zn is 15 million tons,At present it is the biggest lead-zinc deposits in China. And,It's Ti (8,167 tons), Cd (170,000 tons), Ag (1,722 tons), S (5.13 million tons), Sr (1.47 million tons) respectively has achieved the large-scale deposit. The study of mineralization begin with in the 1980's. Some researchs mainly aim at the lead-zinc deposit, but few nonmetallic deposit aspects. This article selects the lead zinc and the sulfate ore deposit coexistence paragenesis relations in deposit as research object. Through deposit geological feature, petrography, rock geochemistry, we promulgated the basic characteristic which the ore deposit lead zinc and the sulfate mineralized, and existed the relation in the origin. Obtains following several understanding through the research that:1,The special structure position of Jingding deposit cause to its antiquely to propose in the Si foundation to deposit successively the marine facies - land facies carbonate rocks, the volcanic rock, the clastic rock construction, in the stratum has had many to contain the paste crag position. The d³⁴Srange of variation in + 14.18 ‰ + 15.38 ‰, is equally 14.91 ‰.l5 ‰ approaches with the late three pack of worlds sea water sulfate. I thought Jingding deposit great thick anhydrite crag is in three pack of discipline deposit formation, this is the Jingding deposit main body. The Jingding area anhydrite the Sr content to be generally high, it has provided the partial sulfur origin for the celestine ore deposit formation.2,The Pb isotope of the Jingding deposit analysis to demonstrate has 85% sample reflection curtain source Pb characteristic, other 15% demonstration shell curtain mix characteristic. The S isotope data analysis demonstrated the rich light sulfur the characteristic, reflected in the return to original state sulfur and the stratum the massive sulfate reduction concerns. Goes against the ore deposit existence native sulphur in the gold, possibly is dissolves by the gypsum, draws back the paste process to return to original state but forms. This indicated the gold goes against the ore...