Objective The Shanwang Basin is a small Cenozoic sedimentary basin located in Linqu county,Shandong province.The Shanwang Formation,especially the diatomaceous
Objective The North China Craton(NCC)is one of the oldest continental fragments,which underwent multistage crust growth during the early Precambrian from>3.8 Ga
Objective The Songnen masiff is located to the east of the Central Asian Orogenic Belt.The existence and rather the scale and nature of the Precambrian crystall