How to form a world-class bentonite deposit in a volcanic island arc setting: An example from Milos island, Greece

Jo Miles

The interaction of magmatic heat, volatile flux, and surrounding sea and/or meteoric waters can have significant bearing on the nature of the hydrothermal systems in volcanic island arc settings. We integrate field relationships of volcanic stratigraphy and alteration zones, with clay mineralogy by X-ray diffraction (XRD), stable (S-, O- and H-) isotope analysis and high precision geochronology (CA-ID-TIMS zircon U-Pb, and alunite Ar-Ar) to elucidate the timescales and fluid components that lead to the development of a globally important bentonite resource.


Biography to come

About the GSA

The Geological Society of Australia was established as a non-profit organisation in 1952 to promote, advance and support Earth sciences in Australia.

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