【摘要】 长江河口地区水下砂体发育形成了良好的砂矿资源,具有开发利用前景。分析砂矿资源的分布特点、沉积规律与物质组成,探讨合理利用的途径及其开发过程中须注意的环境地质问题。水域砂矿资源可为长江口岸带经济圈的基础建设与土地增殖提供重要物质来源。更多还原

【Abstract】 The plenty placer resources,resulting from under water sand body,has formed in the estuary of Yangtze River with the great exploitation potential,which is important source for infrastructure construction and proliferation of land resources in Shanghai.In the paper,the author analyzes the distribution characteristics,sedimentary rule and material composition of placer,further discuss the approach to exploit and the environmental geological problems,which should be aware of during the process of exploitation.更多还原