Fig. 7

a, b Sample LM-11990.3_str_07, dark blue, location on the object; c IR false colour image; d VIL image; e micro photo in Vis-light of the stratigraphy; f Raman spectra collected in layer 2, where massicot or litharge, plattnerite and calcite are detected. The white rectangle in “e” corresponds to the location of Fig S8a. For the general location of see Fig. S1c