Research on the application of large area 3D geological modeling splicing technology Yinghong Li, Ruigang Zhang, Jinhua Luan, Deju Zhang, Wei Li, Donger Zou, Tingting Zhang, Jiahui Duan, Mohuan Ning and Guodai Wu E3S Web Conf., 394 (2023) 01028 Published online: 02 June 2023 DOI: 10.1051/e3sconf/202339401028