Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1415; Off Land's End TSS, Area in SqKm: 1256, (01/08/2013 to 08/12/2013), Standard: IHO S44ed5 Order 1a. Contract: Medium. FY 2013/14. Contractor: MMT UK.