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Deep structure Western Orkney Basin - from GRID17 (SLAVE) Interpretation

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

Interpretation of the GRID 17 profile (aka Synthetic Large-Aperture Velocity Experiment) through the West Orkney Basin, offshore N Scotland, that images the crustal structure (including the Outer Isles fault zone) and the enigmatic reflectors in the upper mantle (Flannan, "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 belts, Continental

Orogenic Belt, Rifts

Basin Setting
Continental Rifts

Geographic Context

Physical Geography

Political Geography
United Kingdom of Great Britain & Northern Ireland


Survey Information
Marine, Multichannel 2D, >10s

Data Presentation
Vertical Scale - Time, Amplitude

Image Type
Vertical Profile