Clay fractions 1 Clay minerals 1 Deposits 1 Discrete phase 1 Energy dispersive X ray analysis 1 Epithermal deposits 1 Ethylene 1 Ethylene glycol 1 Gold deposits 1 Gold epithermal deposit 1 Illite-smectite 1 Interlayered clay 1 Mixtures 1 Polyols 1 Reflectance spectroscopy 1 Reflection 1 Scanning electron microscopy 1 Smectite clays 1 Smectites 1 Spectrum analysis 1 X ray diffraction 1 X ray diffraction analysis 1 X- ray diffractions 1 X-ray diffraction 1 gold epithermal deposits 1 illite/smectite 1 interlayered clays reflectance spectroscopy 1 scanning electron microscopy 1