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2 QK4钻孔光释光测年结果

Table 2 OSL dating results of Borehole QK4

序号 样品号 埋深/m U/ppm Th/ppm K/% 等效剂量 E.D(Gy) 含水量 /% 年龄/ka 备注 1 QK4-GS1 1.5~1.8 2.83±0.10 12.0±0.31 1.73±0.06 18.34±0.79 15.1 4.8±0.3 2 QK4-GS2 14.05~14.25 2.06±0.08 9.41±0.27 1.75±0.06 239.80±3.50 16.8 75.2±3.4 3 QK4-GS11 203~203.2 2.08±0.09 10.2±0.29 1.86±0.06 560.02±12.41 16.6 >169.0 生长曲线 趋于饱和