STRUCTURAL FEATURES AND EVOLUTION OF VIKING GRABEN IN THE NORTH SEA

YANG Chuansheng; LI Gang; LI Qing

2011 Vol. 27, No. 12

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YANG Chuansheng, LI Gang, LI Qing. STRUCTURAL FEATURES AND EVOLUTION OF VIKING GRABEN IN THE NORTH SEA[J]. Marine Geology Frontiers, 2011, 27(12): 34-40.

Citation:

YANG Chuansheng, LI Gang, LI Qing. STRUCTURAL FEATURES AND EVOLUTION OF VIKING GRABEN IN THE NORTH SEA[J]. Marine Geology Frontiers, 2011, 27(12): 34-40.

STRUCTURAL FEATURES AND EVOLUTION OF VIKING GRABEN IN THE NORTH SEA

Key Laboratory of Marine Hydrocarbon Resources and Environmental Geology, Ministry of Land and Resources, Qingdao 266071, China;Qingdao Institute of Marine Geology, Qingdao 266071, China

Received Date: 09 October 2011

Abstract

Abstract

The Viking Graben is a classic Mesozoic rift basin with typical tectonic features and evolutionary history in the North Sea Basin. Using the data from IHS, USGS, we studied the basement, faults, traps and other geological features of the basin as well as the rifting history during Triassic and the period from Late Jurassic to Early Cretaceous. Traps formed by the rifting-caused tilted fault block, and the traps formed by inversion structure and compaction-drape strongly affect the formation and distribution of hydrocarbon. According to the tectonic evolution and sedimentation history, the basin has passed 5 phases of evolution:(1)pre-rift phase; (2) phase Ⅰ of rifting; (3) phase Ⅰ of the thermal subsidence; (4) phase Ⅱ of the rifting; and (5) phase Ⅱ of the thermal subsidence.
- North Sea Basin /
- Viking Graben /
- rifting /
- traps /
- tectonic evolution