岩石中的碳白有机炭与与碳酸盐中的碳组成。所谓含金的“炭质矿石”其含磷总量通常为2～7％,其中有机炭一般为0.25～0.8％。而许多有机炭具有“腐植酸”相类似的性质。A.S.Radtke等认为:卡林金矿容矿岩石的有机炭含量一般为0.13～0.95％,对金的沉淀有着重要作用:能从溶液中吸附金-氯络合物或金-氰化物。含金热水溶液与有机质一接 Carbonaceous organic carbon in rocks and carbon in carbonates. The so-called gold-bearing “carbonaceous ore” usually contains 2% to 7% of total phosphorus, of which organic carbon is generally 0.25% to 0.8%. Many organic carbons have “humic acid” similar properties. According to A.S. Radtke et al., The organic carbon content of Carlin gold ore is generally 0.13-0.95%, which plays an important role in the precipitation of gold. It can adsorb gold-chloride complex or gold-cyanide from the solution. Gold hot water solution and an organic matter