天然纳米—亚微米矿物堆积体:一种典型的非传统矿产资源

Accumulation of Nature Nano-Submicro-Minerals: A Typical Unconventional Mineral Resources

作者在前期工作中发现 ,一些矿物的天然粒度介于纳米—亚微米之间 .部分地区纯度较高的纳米—亚微米矿物形成了具有工业规模的堆积体 ,如我国苏皖地区的坡缕石 ,川黔滇地区的埃洛石 ,广西部分第四系沉积高岭土 ,以及遍布深海盆地的大洋锰结核 .它们是一种典型的非传统矿产资源 ,但作为天然纳米矿物材料的科学意义和经济价值尚未引起重视 .在经典矿床学中 ,迄今尚无关于天然纳米—亚微米矿物堆积体的内容 ,从这一意义上说 ,相关研究在理论上具有开创性 .其中对天然纳米矿物的地质成因研究 ,是现代成矿理论所面临的最具挑战性的科学问题之一 .天然纳米—亚微米矿物堆积体的经济价值 ,取决于它们是否具有和人工合成纳米材料相类似的量子尺寸效应和表面界面效应 .全面认识并实现它们的资源价值 ,有赖于新的表征方法、新的应用思路 ,以及高新技术在矿床学、矿物学领域的应用 .

It is found in our previous work that there are certain minerals with a nature grain size between nano- and sub-micrometer. In some areas, these minerals with high purity accumulated in industry scale, such as the polygorskite occurred in Jiangsu and Anhui, the halloysite found in Sichuan, Guizhou and Yunnan, part of the Quaternary sedimentary kaolinite in Guangxi, and the manganese nodules throughout the deep ocean. Their scientific significance and economic importance has not yet been paid enough attention. From this point of view, they can be classified as unconventional mineral resources. For that there is no special content on the nature nano-minerals in any classic works of economic geology, relevant research is rather creative, especially the study on the geological genesis of nature nano-minerals, which is one of the most challenging matter in modern metallization theory. Differ- ing from conventional metallic and non-metallic ore deposits, the economic importance of the accumulation of nature nano- sub-micrometer minerals depends on their micro-structural features, i.e., if they possess the so-called properties of quanta-size effect and surface-interface effects, the same as their artificial counterpart. New methods for characterization, new ideals for applications, and the utilization of high-tech equipments in ore geology and mineralogy are all important factors for comprehensively recognizing and realizing the resource value of the accumulation of nature nano minerals.