Through an integrated study of Mesozoic and Palaeozoic petroleum geology in southern China and a summing-up of the results of exploration, the authors tentative
Highly precise 40Ar39Ar dating results demonstrate that the ages of potash-rich volcanic rocks in western Shandong Province are 114.7-124.3 Ma, and that of the
Based on the theories of landscape ecology, landscape eco-environment in the control watershed by reservoir of Erlong Mountain in Heilongjiang Province was anal