Imperial College London
Portrait Picture

Professor Christopher Jackson

Faculty of Engineering, Department of Earth Science & Engineering

Visiting Professor
 
 
 
//

Contact

 

c.jackson Website

 
 
//

Location

 

1.46ARoyal School of MinesSouth Kensington Campus

//

Summary

 

Publications

Citation

BibTex format

@article{Deng:2017:10.1016/j.marpetgeo.2017.07.025,
author = {Deng, C and Fossen, H and Gawthorpe, RL and Rotevatn, A and Jackson, CA-L and FazliKhani, H},
doi = {10.1016/j.marpetgeo.2017.07.025},
journal = {Marine and Petroleum Geology},
pages = {1252--1272},
title = {Influence of fault reactivation during multiphase rifting: The Oseberg area, northern North Sea rift},
url = {http://dx.doi.org/10.1016/j.marpetgeo.2017.07.025},
volume = {86},
year = {2017}
}
Download

RIS format (EndNote, RefMan)

TY  - JOUR
AB  - Multiphase rifts tend to produce fault populations that evolve by the formation of new faults and reactivation of earlier faults. The resulting fault patterns tend to be complex and difficult to decipher. In this work we use seismic reflection data to examine the evolution of a normal fault network in the Oseberg Fault Block in the northern North Sea Rift System – a rift system that experienced Permian – Early Triassic and Middle Jurassic – Early Cretaceous rifting and exhibits N-S, NW-SE and NE-SW oriented faults. Both N-S- and NW-SE-striking faults were established during the Permian – Early Triassic rifting, as indicated by Triassic growth packages in their hanging walls. In contrast, the NE-SW-striking faults are younger, as they show no evidence of Permian – Early Triassic growth, and offset several N-S- and NW-SE-striking faults. Structural analysis show that a new population of NW-SE-striking faults formed in the Lower – Middle Jurassic (inter-rift period) together with reactivation of N-S-striking Permian – Early Triassic faults, indicating a NE-SW inter-rift extension direction. During the Middle Jurassic – Early Cretaceous rifting, faults of all orientations (N-S, NW-SE and NE-SW) were active. However, faults initiated during the Middle Jurassic – Early Cretaceous rifting show mainly N-S orientation, indicating E-W extension during this phase. These observations suggest a reorientation of the stress field from E-W during the Permian – Early Triassic rift phase to NE-SW during inter-rift fault growth and back to E-W during the Middle Jurassic – Early Cretaceous rift phase in the Oseberg area. Hence, the current study demonstrates that rift activity between established rift phases can locally develop faults with new orientations that add to the geometric and kinematic complexity of the final fault population.
AU  - Deng,C
AU  - Fossen,H
AU  - Gawthorpe,RL
AU  - Rotevatn,A
AU  - Jackson,CA-L
AU  - FazliKhani,H
DO  - 10.1016/j.marpetgeo.2017.07.025
EP  - 1272
PY  - 2017///
SN  - 1873-4073
SP  - 1252
TI  - Influence of fault reactivation during multiphase rifting: The Oseberg area, northern North Sea rift
T2  - Marine and Petroleum Geology
UR  - http://dx.doi.org/10.1016/j.marpetgeo.2017.07.025
UR  - http://www.sciencedirect.com/science/article/pii/S0264817217302805
UR  - http://hdl.handle.net/10044/1/50208
VL  - 86
ER  -
Download