Meanwhile, the blasting parameters and effectiveness of both hole bench blasting method and springing blasting method at the same hole-layout in sandrock mines are comparatively analyzed, also, the predominate factors in the application are pointed out.

Analysis of sensitivities for a sandstone uranium deposit in Inner Mongolia;

Core analysis of a low permeable sandstone uranium deposit;

This paper has studied the characteristics and formation mechanism of the anomalies caused by radon and its daughters over the sandstone uranium deposit,described the recoil of the Alpha particles,the cluster effect and the natural electric field over the sandstone uranium deposit,and analyzed geological characteristics of the sandstone uranium deposit.

Evidence from fission track thermochronology for the mineralization ages of sandstone copper deposits in the Fenghuoshan area,Qinghai;

The major elements of clastic rocks in sandstone copper deposit are controlled by the tectonic setting of source area.

Fast determination of silicon dioxide in sandstone;

The ore will be mined by the method in a proper way according to the proportion among sandshale and band,first-class sandshale and second-class sandshale at the same or different benches so as to achieve a"pre-homogeneous"effect of the mining area and solve the diffi.

Study of oil and gas pools and metallogenic relation of sandstone-type uranium deposits by remote sensing technique;