Figure 15.
Color energy-dispersive spectroscopy elemental map (Ca is dark blue, Mg is magenta, and Fe is yellow) superimposed on field emission-scanning electron microscopy backscattered electron (BSE) image of argon ion beam milled sample from dolomitic calcareous mudstone lithofacies showing Fe-rich dolomite rims surrounding a Mg-rich core in dolomite crystals, and Fe-rich dolomitized microfossils. Sample PN2-52.