Discover significant new insights into the distribution of depocentres and the basement features that control them on the UKCS.
The multi-client Rockall Trough SEEBASE® Study and GIS is an integrated geological and geophysical study of basement and basin evolution of the Rockall Trough on the United Kingdom Continental Shelf (UKCS). The structural framework of the study provides a regional understanding of the area and supports exploration, development and investment on the UKCS.
The Rockall Trough SEEBASE® Study and GIS includes integration of public domain and UK OGA-supplied potential field datasets, geological maps, plate reconstructions, literature, published cross-sections and seismic sections, and UK OGA-supplied 2D seismic and well data.
Available for non-exclusive license and ready for immediate digital delivery in a project ready format.
COMPREHENSIVE STUDY DELIVERABLES
- Basement Geology: Analysis and description of basement terranes, assessment of terrane boundaries, and interpretation of basement composition.
- Tectonostratigraphic History: Plate reconstructions and summary of key tectonic events; implications for basin development, interpreted of major basement faults, and fault event maps for key events.
- Depth-to-basement Model - SEEBASE: 3D geometry and depth of the basement surface highlighting basin depocentres and highs.
- Depth to Moho: 3D geometry and depth of the Moho surface.
- Sediment, Crustal and Basement Thickness and Beta Factor: Derivative maps created using the SEEBASE and Moho models.
- Basement Heat Flow: Computation of radiogenic heat production and heat flow, integrating basement geology and architecture, as well as timing and intensity of regional tectono-thermal events.
- Potential Field Datasets: Frogtech Geoscience's state-of-the-art geophysical processing and enhancements.
DISCOVER NEW INSIGHTS
The Rockall Trough SEEBASE Study and GIS provides a new interpretation of geological basement for the UK Rockall Basin and surrounds, and provides significant new insights into the distribution of depocentres and the basement features that control it.
- Basement has proven difficult to image on available seismic data in the Rockall region due to widespread Cretaceous and Tertiary volcanics. The new regional depth-to-basement grid (SEEBASE) represents a significant step forward in understanding the geometry of Mesozoic and Paleozoic basins.
- Basin locations and geometry are controlled by basement terrane boundaries and reactivated basement-involved faults.
- Thin crust beneath the margin of the North Rockall Basin is interpreted to be underlain by magmatic underplating beneath seamounts and volcanoes, formed during Tertiary development of igneous provinces in the North Atlantic Ocean.
- Thin crust beneath the centre of the South Rockall Basin is interpreted to be underlain by serpentinised mantle related to significant crustal thinning, formed during the Mesozoic rifting of the North Atlantic Ocean.
- A regional analysis of basement terrane types, including origin, age, composition and rheology, provides key insights into basement response to successive regional tectonic events.
- An overview of basin development including both stratigraphic chart and a tectonic event chart showing key events and drivers.
- A geologically-controlled regional model for basement-derived heat flow.
- Crustal thickness, basement thickness, and total sediment thickness maps/grids.