Aliphatic hydrocarbons and aromatic steranes of 11 oil and 6 shale samples from the Zhanhua Depression have been examined by GC-MS with particular attention pai
Based on 200 analytical data on granitoid rocks in this region, the average chemical composition has been calculated by the area weight method for various grani
Discussed in this paper are the relationship between the compressive fault zone and mineralization, and the regularities governing the concentration-dispersion
Chemical analyses of water and soil samples from the region of Bao Tou, and chemical equilibrium calculations indicate a large amount of water-soluble fluorine