In this episode, we explore the Hillside Copper-Gold (Cu-Au) deposit in South Australia, part of the Olympic Cu-Au Province. We unpack the complex geology behind this significant mineral resource, starting with how rare earth and trace element geochemistry reveals key stages of mineralization and alteration in the skarn assemblages. We then dive into fluid inclusion studies that trace the temperature and salinity of the mineralizing fluids, highlighting processes like boiling and mixing. The episode also covers the broader geological setting within the Moonta-Wallaroo district, focusing on structural controls and geological interactions.

Sources:

• Hillside Copper-Gold Deposit Summary Report
• Australian Mines Atlas
• PorterGeo Database - Hillside
• Alteration and Mineralisation in the Moonta-Wallaroo Copper-Gold Mining Field Region, Olympic Domain, South Australia
• Rare earths and other trace elements in minerals from skarn assemblages, Hillside iron oxide–copper–gold deposit, Yorke Peninsula, South Australia
• The Hillside Cu-Au Deposit, South Australia: A Preliminary Fluid Inclusion Study
• Rex Minerals' Hillside Project
• Hillside Copper-Gold Deposit, South Australia

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