印度洋中脊多金属硫化物矿产资源定量预测与评价

发布时间：2018-06-23 06:05

  本文选题：多金属硫化物矿床 + 数据驱动　； 参考：《海洋地质与第四纪地质》2015年05期

【摘要】：大洋钻探资料证实,现代海底多金属硫化物分布范围广泛、储量大,是具有巨大开发潜力和远景的海底矿产资源。根据水深、地质构造、扩张速率、地球物理以及火山地震等区域性调查数据,分析了印度洋中脊多金属硫化物成矿地质条件、控矿因素和地球物理异常信息,提取了9项找矿证据因子,建立了区域找矿有利条件组合模型。运用证据权重法,对印度洋中脊多金属硫化物资源进行了基于数据驱动的定量预测与评价。研究认为,最有利区(Ⅰ类)占工区面积的29.77%,比较有利区(Ⅱ类)占18.12%。
[Abstract]:Ocean drilling data confirm that modern seabed polymetallic sulphides are widely distributed and have large reserves, which are potential and prospective seabed mineral resources. Based on the regional survey data of water depth, geological structure, spreading rate, geophysics and volcanic earthquake, the ore-forming geological conditions, ore-controlling factors and geophysical anomalies of polymetallic sulphides in the middle ridge of the Indian Ocean are analyzed. Nine factors of ore-prospecting evidence were extracted and a combination model of favorable conditions for regional prospecting was established. The data driven quantitative prediction and evaluation of polymetallic sulphide resources in the middle Indian Ocean ridge were carried out by using the evidence weight method. The results showed that the most favorable area (class 鈪，

本文编号：2056130