Imaging LIBS applied in corals

Optical 3300 × 1000 pixels image of Dendrophyllia ramea and its Mg/Ca, Sr/Ca and Na/Ca distributions with 25 µm resolution. The septa, coenosteum (Coe) and corallites (Cor) are indicated in the figure by white arrows. The red dotted squares (1) and (2) indicate specific analysed regions (see below). Darker color indicates higher concentration.