鲁北平原南部QK4钻孔岩心特征及第四纪地层划分

周永刚, 戴黎明, 田振环, 于春楠, 张振飞, 刘伟, 裴伦培

Core characteristics and Quaternary stratigraphic division of borehole QK4 in southern Lubei Plain

ZHOU Yong-Gang, DAI Li-Ming, TIAN Zhen-Huan, YU Chun-Nan, ZHANG Zhen-Fei, LIU Wei, PEI Lun-Pei

表3 QK4钻孔古磁性分析结果对比

Table 3 Comparison of paleomagnetism analysis results of Borehole QK4

序号 深度/m 实测极性层 标准极性带 极性亚时 年代/Ma 1 0~23.49 N1 Brunhes 2 23.49~26.44 R1 Blake 0.12 3 26.44~28.40 N2 4 28.40~29.58 R2 Cr0 0.260 5 29.58~32.10 N3 6 32.10~33.75 R3 Cr1 0.319 7 33.75~65.18 N4 8 65.18~66.88 R4 Cr2 0.543 9 66.88~72.96 N5 10 72.96~75.08 R5 Cr3 0.593 11 75.08~116.59 N6 0.781 12 116.59~120.43 R6 Matuyama 13 120.43~123.42 N7 14 123.42~129.31 R7 15 129.31~134.17 N8 Olduvai 1.77~1.95 16 134.17~141.54 R8 17 141.54~144.69 N9 18 144.69~147.39 R9 2.588 19 147.39~171.25 N10 Gauss 20 171.25~173.77 R10 Kaena 3.032~3.116 21 171.25~217.54 N11 22 217.54~221.57 R11 Mammoth 3.207~3.330 23 221.57~285.98 N12