Se-rich black rock series of the Middle and Late Permian system is widely distributed in Enshi Prefecture with an expose......

Precambrian banded iron formation(BIF)is one of the most important mineral resources in China,mostly abundant in the Nor......

硅质岩的研究面临着来源、成因及成岩、成矿作用等诸多方面的问题,绝大部分全岩分析结果都只能反映硅质岩地质地球化学行为的平均......

介绍了采用聚合填充工艺，分别以硅藻土、高岭土为填料，制成的超高分子质量聚乙烯复合材料。结构形态研究表明，该复合材料中填料粒子与......

Two low-grade siliceous manganese ores such 1) siliceous crystalline and 2) siliceous cherty types from north Orissa, In......

In this research work, sawdust was used as a reducing agent for sulphuric acid leaching of manganese ore from Prang Ghar......

The present study aims at environmental protection through the use of plastic wastes in the production of mortar. The be......

In the Hunan-Guizhou-Guangxi area there have developed very thick bedded siliceous rocks of the late Sinian. The rocks h......

Compositional peculiarities of the siliceous high-Mg series (SHMS) rocks formed at the ArcheanePaleoproterozoic boundary......

This paper deals with characteristics of silicon isotope compositions and siliceous cathodolumines-cence of host rocks, ......

There are abundant hydrothermal sedimentary structures and plant fragment fossils in the siliceous rocks from the Lincan......