"Nodular limestone (cornstone). Stratified bedrock. Occurs onshore. Deposited during the Albian Age (Cretaceous Period) (113.2-100.5 Ma BP)."@en . "100.5"^^ . "The boundary is defined by the change from nodular limestones of the member to \"brick\"-red marls and marly limestones of the overlying Weather Castle Member."@en . . "The member comprises red nodular limestone. Beds rich in Inoceramus lissa and Biplicatoria hunstantonensis, and the breccia nodule bed (sensu Jeans, 1973) are important marker horizons."@en . . . . "Dulcey Dock Member"@en . "6.7m."@en . . "stable"@en . "DYDK"@en . "The boundary is placed at the change from alternating white and pink limestones and grey or red marls or clays of the Speeton Beck Member into nodular limestones."@en . "113.2"^^ . . . . "Dulcey Dock Member"@en .