The Asmari Formation consists of shallow marine sedimentary rocks deposited on ramp setting. Larger benthic foraminifera collected from Asmri Formation are domi
Dispersion and attenuation occur while seismic wave travels through cracks filled with fluids,which lead to the anisotropism of seismic azimuthal travel time.Ba
The southeast depression of Qinnan Sag is a potential oil-gas exploration region in the Bohai Sea area. With the analysis of large quantity of rock thin section
Based on the results of four regional geological surveys of 1 :50000 including Shulan County map in Jilin, taking Shulan area as the study area,the authors re_deli
The Liudaogou area underwent multiple large-scale tectonic movements since Archean.Little studies have been carried out on the age of Mesozoic magmatism and pet