二连盆地塔北凹陷西部早白垩世断

二连盆地塔北凹陷西部早白垩世断—坳发育特征研究

陈念楠, 李满根, 关宝文, 宋志杰, 段建兵, 李西得, 刘武生, 刘颖, 范鹏飞

Early Cretaceous fault-depression development characteristics of western Tabei sag, Erlian Basin

CHEN Nian-Nan, LI Man-Gen, GUAN Bao-Wen, SONG Zhi-Jie, DUAN Jian-Bing, LI Xi-De, LIU Wu-Sheng, LIU Ying, FAN Peng-Fei

表1 塔北凹陷伸展量、伸展率计算统计数据

Table 1 Statistical data of extension amount and extensional ratio in Tabei sag

编号	构造活动期	K₁s²-Q	K₁s¹	K₁t²	K₁t¹	K₁a	J₃	合计
	长度/km	12.5	12.467	12.362	11.998	11.759	11.533
A-A’	伸展量/km	0.033	0.105	0.364	0.239	0.226		0.967
	伸展率/%	0.264	0.849	3.033	2.032	1.959		8.137
	长度/km	7.5	7.469	7.304	7.018	6.847	6.774
B-B’	伸展量/km	0.231	0.165	0.286	0.171	0.073		0.926
	伸展率/%	0.415	2.259	4.075	2.497	1.077		10.323
	长度/km	11.5	11.342	11.272	10.821	10.511	10.465
C-C’	伸展量/km	0.158	0.07	0.451	0.31	0.046		1.035
	伸展率/%	1.393	0.621	4.167	2.949	0.439		9.569