Monospecific diatom cultures (Thalassiosira punctigera and Skeletonema costatum) were incubated in rotating cylinders together with clay suspensions, present in a range of concentrations ...
This is a preview. Log in through your library . Abstract Fission-track ages of apatite and zircon from the middle Ordovician Deicke K-bentonites, collected over a wide area of the southern ...