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鲁北平原南部QK4钻孔岩心特征及第四纪地层划分
周永刚1,2(), 戴黎明3,4, 田振环1,2, 于春楠1,2, 张振飞1,2,5, 刘伟1,2, 裴伦培1,2
Core characteristics and Quaternary stratigraphic division of borehole QK4 in southern Lubei Plain
ZHOU Yong-Gang1,2(), DAI Li-Ming3,4, TIAN Zhen-Huan1,2, YU Chun-Nan1,2, ZHANG Zhen-Fei1,2,5, LIU Wei1,2, PEI Lun-Pei1,2

图3. QK4钻孔磁性地层

Fig.3. Magnetostratigraphy of borehole QK4