摘要
在区域地质调查中,对带内铁、金、钨、锡、锌等内生矿产的矿(化)点进行了调研,并对主要控矿因素和成因类型进行了深入研究,认为:受板块构造运动影响,带内地层含矿背景值较高,火山期后浅成—超浅成岩浆侵入活动频繁、强烈,构造多处交接复合并形成派生构造,具有良好的、利于内生矿形成的条件,矿(化)点都分布在岩体内或接触带内,与印支期-燕山期岩浆侵位过程的中酸性-酸性岩浆热液活动有关;与处于同一带内的三江地区成矿带具有相似的成矿背景,是寻找内生多金属矿产的有利地段;同时根据矿化特征总结了找矿标志和找矿线索。
On the basis of systematically surveying and summarizing mineralization features, metallogenetic geological backgrounds, ore- controlling conditions, and genetic type of Fe, Sn, Co, W, Zn, and Ag poly- metallic deposits, it is proposed that the deposits were closely related to Indosinian and Yanshanian intermediate - acid and acid granitoids and magmatic hydrothermal activities. The deposits are mainly distributed in the Jinshajiang mosaic. It is shown that the belts arc the favorable regions for prospecting of endogenetic deposit.
出处
《地质与勘探》
CAS
CSCD
北大核心
2007年第6期1-6,共6页
Geology and Exploration
基金
国家自然科学基金(编号:40372004)
中国地质调查局区域地质调查项目(编号:200313000006)资助。
关键词
构造混杂带
成矿条件
岩浆活动
找矿前景
tectono - magmatic belt, ore - controlling condition, magmatic hydrothennal activity, prospecting potential