摘要
文章讨论了铜陵Cu_Au(Ag)成矿区岩浆_流体_成矿系统和亚系统的识别标志 ,划分出 9个亚系统 ,其中的 5个为已知的中型以上矿床的分布地段 ,4个为该文预测的可能找到中型以上矿床的亚系统。在此基础上概略地识别出 8个长江中下游铜铁成矿带的岩浆_流体_成矿系统 ,提出火成岩构造组合的类型和性质制约矿床 (田 )内优势矿种的发育。壳底岩浆房和壳内岩浆房分别控制系统和亚系统的形成及其分布。提出对系统、亚系统进一步研究的建议 :识别、结构、成因、定位。
This paper deals with the recognition of the magmatic_fluid_metallogenic systems and subsystems in the Tongling Cu_Au(Ag) ore_forming area. 9 subsystems were recognized. In districts of 5 subsystems large and medium_size orefields were found. Therefore, it is expected that large and medium_size orefields can also be found in the other subsystems. 8 magmatic_fluid_metallogenic systems were detected in the copper_iron belt along the lower and middle reaches of the Yangtze River. The type and characteristics of the igneous petro_ tectonic association may control the formation of preponderant deposits in the orefield. Magma chamber at the base of continental crust and within the crust may control the development of systems and subsystems, respectively. Large resource potential is likely existent in the copper_iron belt along the lower and middle reaches of the Yangtze River, especially in the deep crust. The systems and subsystems in this area deserve further investigation.
出处
《矿床地质》
CAS
CSCD
北大核心
2002年第4期317-322,共6页
Mineral Deposits
基金
中国地质调查局项目 (K 1.4_1_2
K 1.4_2_2
2 0 0 113 90 0 0 18)
国土资源部科技专项计划 (2 0 0 0 10 10 2 0 2 )
大型矿集区项目联合资助
关键词
地质学
岩浆-流体-成矿系统
亚系统
铜银成矿区
铜金成矿区
长江中下游
铜铁成矿带
成因
分布
magmatic_fluid_metallogenic systems and subsystems, the Tongling Cu_Au(Ag) ore_forming area, the copper_iron belt along the lower and middle reaches of the Yangtze River
