BRECCIATION　AND　GOLD　MINERALIZATION　OF　ORE－HOSTING　ROCKS　IN　LAOYACHAO　GOLD　DEPOSIT

来源期刊：中国有色金属学报(英文版)1995年第2期

论文作者：Yu Xingzhen Li Peilan

文章页码：7 - 12

Key words：gold deposit; ore-hosting breccia; gas-liquid concealed explosion

Abstract: It was pointed out through field and laboratory investigations that, ore-hosting breccia resulted from gas-liquid concealing explosion is fallen into mixed, broken-slackened and split phases. In addition, there are also two especial phases, that is, gushing phase and grouting phase; gold mineralization is confined within the gasliquid concealed-explosion breccia body and gold orebodies are completely included in the gushing phase and grouting phase, ore-forming Physico-chemical condition is of a low-pressure, low-temperature, sub-alkalinite and reducing condrtion; ore-forming fluid belongs to the Na-Ca-Cl type with a low salinity.