Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1547; DWR C1 Tail of the Falls, Area in SqKm: 7, (21/05/2017 to 22/05/2017), Standard: IHO S44ed5 Order 1a. Contract: RRS. FY 2017/18. Contractor: EGS.