Sediment—Hosted Gold Deposits in China_geochemistry and Prospecting

Sediment-hosted gold deposits are the major type of gold resources in china,Concen trated mostly in the two“Triangle Regios“,they are generally hosted in fine-clastic turbidite,hydrothermal chet and marl ranging from cambrian to Triassic in age,structurally controlled by domes,anticlines and second-ordered faults.They are similar to the Carlin-type gold deposits in mineral assemblage and geochemical marks,with an element association closely comparable to those of modern springs and submarine hydrothermal sediments.Organic matter may have played an important role in mineralization .The ore solution may be hydrothermally altered meteoric water developed i areas of local geothermal anomaly.

Sediment-hosted gold deposits in China—Geochemistry and prospecting

Sediment-hosted gold deposits are the major type of gold resources in China. Concentrated mostly in the two “Triangle Regions”, they are generally hosted in fine-clastic turbidite, hydrothermal chert and marl ranging from Cambrian to Triassic in age, structurally controlled by domes, anticlines and second-ordered faults. They are similar to the Carlin-type gold deposits in mineral assemblage and geochemical marks, with an element association closely comparable to those of modern springs and submarine hydrothermal sediments. Organic matter may have played an important role in mineralization. The ore solution may be hydrothermally altered meteoric water developed in areas of local geothermal anomaly. Supported by the State Gold Administrative Bureau and the National Natural Science Foundation of China (No. 49372109).