摘要
生物成矿研究由来已久 ,但生物及其有机质演化在成矿中的作用长期得不到应有的重视。文章试图借鉴石油的成油理论 ,从生物及其有机质演化的角度对桂西右江盆地内部金矿的成矿作用作初步探讨。认为右江地区金矿的形成是生物 (特别是菌藻类生物 )的吸附和生物所产生的有机质热解、分异从而导致金的络合物形成 ,金元素活化、运移 ,在碳酸盐台地顶部超覆面 (不整合面 )上的细碎屑岩中因物理化学条件的变化而沉淀的结果。碳酸盐台地边缘是金矿成矿的有利场所。
Research of biomineralization has had a long history, but the function of living beings and organic evolution in mineralization was usually ignored. Use the oil-generating theory for reference, the author discussed in this paper the relationship of function of living beings and organic evolution with gold mineralization in Youjiang basin, and believe that absorption of living beings (especially the bacterium and alga)as well as organic thermal decomposition and differentiation resulted in the formation of gold complex compounds that were reactivated and transferred to the fine-grained detrital rocks above the surfaces of unconformity of carbonate platform(especially their margins)and then deposited there because of change of physicochemical conditions.
出处
《广西地质》
2002年第1期19-24,48,共7页
Guangxi Geology
