calcic geochemical barrier

The new metallogenetic theories include geochemical barrier metallization, meteorite-impact metallization, mantle plume metallization, marginal metallization, and submarine metallization.

介绍了新的成矿理论,主要有地球化学障成矿、陨击成矿、地幔柱成矿、边缘成矿和海底成矿理论;新方法主要有预测沉积矿产的古地磁法、预测铅、铀矿稳定同位素法、气体测量法、预测卡林型金矿的顺磁共振法以及应用于寻找隐伏矿床的元素活态提取法和金属地震法等等。

The results show that there is geochemical barrier which is advantageous to uranium mineralization in north western basin.

脱碳酸作用等一系列的后生改造作用，指出在盆地北西部存在着对铀成矿有利的地球化学障。

Study on tectonic-geochemical barrier of sandstone-type uranium ore district using post-remote sensing application technology;

砂岩型铀矿区构造-地球化学障的后遥感应用技术研究