Samples and associated geological data are held at the British Geological Survey for Maritime Coastguard Agency (MCA), Civil Hydrography Programme (CHP), Bathymetric Survey HI1471; Off Smalls TSS, Area in SqKm: 918, (29/02/2016 to 17/03/2016), Standard: IHO S44ed5 Order 1a. Contract: Medium. FY 2015/16. Contractor: MMT UK.