Fig. 9
Double-logarithmic cross-plots of mean CL intensity versus Mn concentration in the studied fossil shells. a T. coreanica. b L. rubellus. c Combined data from both species
Fig. 9 | Progress in Earth and Planetary Science
Double-logarithmic cross-plots of mean CL intensity versus Mn concentration in the studied fossil shells. a T. coreanica. b L. rubellus. c Combined data from both species