Figure 6

Normalized cathodoluminescence (CL), photoluminescence (PL), and thermoluminescence (TL) spectra acquired from the γ-ray-irradiated 3.5 Ma coral.

Normalized cathodoluminescence (CL), photoluminescence (PL), and thermoluminescence (TL) spectra acquired from the γ-ray-irradiated 3.5 Ma coral.