衡阳盆地北缘盐田桥铜矿床成矿构造地质地球化学特征
发布时间:2019-02-27 16:29
【摘要】:盐田桥铜矿床位于长寿-衡阳-观音阁断裂成矿带中部,属茶恩寺铜铅锌多金属成矿区内,是以铜矿为主,共(伴)生有铅锌矿等高-中温热液充填交代型矿床。以构造地球化学找矿为出发点,在研究区域构造地质背景、矿区构造地质特征及控矿因素的基础上,重点对F_1断裂构造岩主量元素、微量元素特征进行了分析,发现F_1中Cu、Pb、Zn、W等成矿元素有较大变化,说明元素的富集与断裂的活动有着极为密切的成因关系。富含成矿元素热液沿F_1断裂消弱带运移,并充填到构造裂隙中,与围岩发生交代作用而富集成矿。
[Abstract]:The Yantianqiao copper deposit is located in the middle of the Changshou-Hengyang-Guanyingge fault metallogenic belt, which belongs to the Chainsi copper-lead-zinc polymetallic ore deposit. It is mainly copper deposit, and there are high-middle temperature hydrothermal filling and replacement deposits of lead-zinc ore. Based on the study of regional tectonic geological background, structural geological characteristics and ore-controlling factors, this paper focuses on the analysis of the main elements and trace elements of the tectonic rocks in FU1 fault, based on the structural geochemical prospecting. It is found that the ore-forming elements such as Cu,Pb,Zn,W and other metallogenetic elements have great changes, indicating that the enrichment of elements has a very close genetic relationship with the activity of the faults. The hydrothermal fluid rich in ore-forming elements migrates along the weakening zone of the Fx1 fault and fills in the structural fissures, where metasomatism occurs with the surrounding rock to enrich the integrated ore.
【作者单位】: 湖南省核工业地质局三0六大队;
【基金】:湖南省核工业地质局重点科研项目“湖南省衡阳盆地西北缘铜多金属矿成矿条件及成矿预测”(KY2014-306-01)
【分类号】:P618.41
[Abstract]:The Yantianqiao copper deposit is located in the middle of the Changshou-Hengyang-Guanyingge fault metallogenic belt, which belongs to the Chainsi copper-lead-zinc polymetallic ore deposit. It is mainly copper deposit, and there are high-middle temperature hydrothermal filling and replacement deposits of lead-zinc ore. Based on the study of regional tectonic geological background, structural geological characteristics and ore-controlling factors, this paper focuses on the analysis of the main elements and trace elements of the tectonic rocks in FU1 fault, based on the structural geochemical prospecting. It is found that the ore-forming elements such as Cu,Pb,Zn,W and other metallogenetic elements have great changes, indicating that the enrichment of elements has a very close genetic relationship with the activity of the faults. The hydrothermal fluid rich in ore-forming elements migrates along the weakening zone of the Fx1 fault and fills in the structural fissures, where metasomatism occurs with the surrounding rock to enrich the integrated ore.
【作者单位】: 湖南省核工业地质局三0六大队;
【基金】:湖南省核工业地质局重点科研项目“湖南省衡阳盆地西北缘铜多金属矿成矿条件及成矿预测”(KY2014-306-01)
【分类号】:P618.41
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