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Constraints of Lead-Zinc Source Bed to Lead-Zinc Deposits in Western Hubei to Northwestern Hunan
详细信息   
摘要
From western Hubei to northwestern Hunan,the product position of lead-zinc ore increases from north to south.It is found that the source bed position controls the product position of lead-zinc deposit,as it is argillaceous carbonaceous clastic rock in lower Sinian System Doushantuo Formation in the north of western Hubei.In the south of western Hunan,the source bed could be argillaceous carbonaceous clastic rock in lower Cambrain System Niutitang Formation.When the stratigraphic unconformity interface and filling system of basin are the ore forming units,the occurrence and location of lead-zinc ore in carbonatite stratum upside are limited by the source bed of lead-zinc ore in clastic rock stratum underpart.The deposit position is the result of coupling and critical transformation by hydrotherm,source bed,report mine construction,storage space and shielding layer.The lead-zinc deposit is classified as the basin-derived hydrothermal deposit.

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