Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1426; DWR via DR1 -Southern Part, Area in SqKm: 659, (03/05/2014 to 12/12/2014), Standard: IHO S44ed5 Order 1a. Contract: Medium. FY 2014/15. Contractor: MMT UK.