Offshore Fault (1) Normal OCB Thrust Transfer Offshore Ridge (2) Peridotie Ridge Volcanic Ridge Igneous (3) BVRS Continental Lava Flows Igneous Complex Inner SDRs Outer High Outer SDRs Sills Intrusive Bodies (4) Tectonic Elements (5) Eocene Uplift Oceanic Shelf Volcanic Seamounts Seismic Survey 3D (6) Seismic Survey 2D (7) Offshore Geology (8) Arch Basement Igneous Lower Cretaceous Mesozoic Mid Cretaceous Mid Jurassic Tertiary Triassic Upper Cretaceous Upper Jurassic Upper Paleozoic Marine Basin (9) Continental Margin (10) Benthic Broad Habitat Type (16) Infralittoral rock and biogenic reef Infralittoral coarse sediment Infralittoral mixed sediment Infralittoral sand Infralittoral mud Circalittoral rock and biogenic reef Circalittoral mixed sediment Circalittoral coarse sediment Circalittoral sand Circalittoral mud Offshore circalittoral rock and biogenic reef Offshore circalittoral coarse sediment Offshore circalittoral mixed sediment Offshore circalittoral sand Offshore circalittoral mud Upper bathyal rock and biogenic reef Upper bathyal sediment or Upper bathyal rock and biogenic reef Upper bathyal sediment Lower bathyal rock and biogenic reef Lower bathyal sediment or Lower bathyal rock and biogenic reef Lower bathyal sediment Abyssal Na INFOMAR Seabed Sediment Classification (17) Rock Coarse sediment Mixed sediment Sand Mud to muddy Sand Unclassified Irish Sea Marine Aggregate Resource Study Area (UK) (12) Irish Sea Marine Aggregate Resource Study Area (IRL) (13) Irish Sea Marine Aggregate Resource Area (14)