Marine Cretaceous sequences of the eastern margin of northeast Asia show remarkable predominance of terrestrial woody kerogens over marine algal ones. Microscopic study on 18 hemipelagic mudstones collected from three dated ...

Microfocus computer tomography is a non-destructive technique enabling virtual slicing of opaque objects. Stacking several slices enables 3D visualisation of the object. To extract quantitative information, a thorough ...