But the massive siliceous crushed stones pile up as solid waste disposals in our country excessively because of the clay content.
而在我国有大量的硅质石屑因为粘土含量过高而被当作废弃物堆积起来。
2
Shasonggang Co(Cu, Ni) deposit occurs in Laoling Group, rich boron, carbon clay rock with siliceous rock formation, Paleoproterozoic rift trough folded belt, which is the domestic a new type deposit.