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对南非兰德砾岩型金矿床的研究成果进行总结,概括了绍斯迪普金矿床的区域地质背景、岩石地层划分,较为系统地分析了矿床的地质特征和矿床成因。得出如下结论:1金的主要来源可能与太古宙含金花岗绿岩带有密切关系;2金矿体主要受太古宙文特斯多普砾岩地层和中兰德群中的Turffontein亚群埃尔斯伯格组砾岩地层控制;3金矿床可能经历了早期沉积成岩成矿阶段—后期改造富集多个(Klipriviersberg火山活动作用时期和与2050Ma布什维尔德杂岩体有关的变质作用高峰时期)阶段,为复合成因的层控改造型矿床。研究结果对该类矿床的深入研究和走出去的中国企业有重要的参考价值。
This paper summarizes the research results of the South African Rand conglomerate-type gold deposit, summarizes the regional geological background and lithostratigraphy of the Southpoep gold deposit, and systematically analyzes the geological characteristics and genesis of the deposit. The following conclusions are drawn: 1 The main source of gold may be closely related to Archean gold-bearing granite-greenstone belt; 2 The gold ore body is mainly influenced by the Archean Ventasian conglomerate formation and Turffontein sub-group Group Ellsberg Formation conglomerate stratigraphic control; 3 gold deposits may have undergone early sedimentary diagenetic metallogenic stage - late stage alteration enriched multiple (Klipriviersberg volcanic activity period and the metamorphism associated with the 2050Ma Bushwild complex) Peak period) stage, for the composite genetic stratification of altered deposit. The research results have important reference value for the further study of this type of deposit and the Chinese enterprises going out.