Objective Time-specific litho-and biofacies often holds important information about unique ancient ecosystems that no longer exist on Earth today.This report su
Objective The greatest advantage of the Caofeidian Harbor is its deep channel facing the Bohai Bay.The deep channel is a natural port hub for shipping of the Ca
Objective In recent years,the dispute regarding the Quaternary glacier of eastern China has become a research focus again,and one of the important focuses is th