Inorganic geochemical; organic carbon isotope and palynological dataset from Cenomanian-Turonian cores from SW Texas and Demerara Rise

new data on the main components of organic matter, inorganic geochemistry, and stable isotopes along a north-south transect from the Cretaceous Western Interior Seaway (Portland-1 Colorado; Iona-1; Innes-1; Well X; Bouldin Creek outcrop - Eagle Ford Group, SW Texas, USA) and to the equatorial western Atlantic (ODP Sites 1260 and 1261) and Southern Ocean (ODP Site 1138)本数据集提供了沿南北向剖面采集的全新数据，该剖面的覆盖范围自白垩纪西部内陆海道（包含美国科罗拉多州Portland-1井、Iona-1井、Innes-1井、X井，以及美国德克萨斯州西南部鹰福特群（Eagle Ford Group）的Bouldin Creek露头），延伸至赤道西大西洋（大洋钻探计划（Ocean Drilling Program, ODP）1260与1261站位）及南大洋（大洋钻探计划（Ocean Drilling Program, ODP）1138站位），数据主题涵盖有机质主要组分、无机地球化学与稳定同位素相关内容。