Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1294; Dover Strait Routine Resurvey Blocks 5-7, Area in SqKm: 18; Dover Strait Routine Resurvey Block 8, Area in SqKm: 14; Dover Strait Routine Resurvey Blocks 1-4, Area in SqKm: 121, (23/07/2009 to 01/09/2009), Standard: IHO S44ed5 Order 1a. Contract: RRS (2006 LT). FY 2009/10. Contractor: MMT.