Features of Multistage Cretaceous Conglomerate Deposition and Its Palaeo- geographic Significance in Jixi Basin of Eastern Heilongjiang, NE China
ZHAO Xueqin,YANG Shufeng,CHEN Hanlin,ZHANG Fengqi,ZHANG Yunpeng,YANG Chengzhi,SUN Mingdao
Acta Scientiarum Naturalium Universitatis Pekinensis . 2012, (3): 419 -432 .