中南大学学报(自然科学版)2012,Vol.43Issue(10):3938-3945,8.
新立矿区海底金属矿坑与上覆海水的连通性分析
Analysis of connectivity between undersea metal mine and overlying seawater in Xinli mine area
摘要
Abstract
With Xinli mine area as a case study, in-situ surveying, sampling and constant ions test in water samples were conducted, correlation analysis on the variables indicators was performed based on the test data and some variables of significant positive correlations were removed, and the physical significances of some ions in water were discussed. With mass concentrations of Cl-, K+ and Ca2+, γ(SO42-)/γ(Cr) and γ(Na+)/γ(Cl-) as variables, the mine water samples were classified using hierarchical cluster analysis and the connectivity between an undersea metal mine and overlying seawater was speculated. The results show that the mine water from surrounding rock of the northeast roadway along the vein is closer to sea water in chemical properties, which indicates that the connectivity between the rock fissures in lower northeast block of the ore-controlling fault and seawater is relatively good; the mine water in the southwest roadway along the vein and crosscuts is closer to the brine (salty) water in bedrock fissures in chemical properties and drains the net reserves of brine (salty) water in bedrock fissures.关键词
卤水/海水/矿坑涌水/连通性/脱硫作用/水-岩作用Key words
brine water/sea water/mine water/connectivity/desulphurization/water-rock interaction分类
天文与地球科学引用本文复制引用
李国庆,马凤山,孟召平..新立矿区海底金属矿坑与上覆海水的连通性分析[J].中南大学学报(自然科学版),2012,43(10):3938-3945,8.基金项目
国家自然科学基金资助项目(41172271,40972197) (41172271,40972197)
国家重点基础研究发展计划("973"计划)项目(2007CB209405) ("973"计划)