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Deep Structure - West Orkney Basin, imaged on ultradeep seismic Interpretation

VSA Author: Rob Butler
Date Created: 2021-03-12

An interpretation of the BIRPS DRUM line (from 1984) - showing the crustal structure (rift basins developed across the Caledonian deformation front, offshore N Scotland) and the underlying, still enigmatic, sub-Moho reflective zones (Flannan and "W").


  • Interpretation Administrator:
    • Rob Butler
  • VSA Author:
    • Rob Butler

Geological Interpretation

Deformation Structures
Normal Faults

Moho, Continental Crust

Geological Context

Plate Settings and Margins

Orogenic Belt, Rifts

Basin Setting
Continental Rifts

Geographic Context

Physical Geography
Marginal Seas, Shelves, Shelf-Slopes

Political Geography
United Kingdom of Great Britain & Northern Ireland


Survey Information
Marine, Multichannel 2D, >10s

Data Presentation
Vertical Scale - Time

Image Type
Vertical Profile