High-resolution carbon, oxygen and magnesium isotope chemostratigraphy of the Kuibis Subgroup, Nama Basin - Paula-Santos, Gustavo; Käsemann, Simone Antonia; Bowyer, Fred; Trindade, Ricardo Ivan Ferreira da; Babinski, Marly; Wood, Rachel; Leme, Juliana de Moraes (EGU General Assembly 2023, 2023)