Nature and Origin of Mineralizing Fluids in Hyperextensional Systems: The Case of Cretaceous Mg Metasomatism in the Pyrenees

<div>Schematic sketch illustrating the various studied minerals observed in the geodes, from where the samples were taken. (a) Typical fluid inclusions hosted by euhedral quartz; (b) typical fluid inclusions hosted by hydrothermal calcite.</div>

Geofluids

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Figure 3

Figure 3: Nature and Origin of Mineralizing Fluids in Hyperextensional Systems: The Case of Cretaceous Mg Metasomatism in the Pyrenees 