PEAK HILL RESOURCES LTD
Development of additional groundwater resources for minesite, Meekatharra, Goldfields, Western Australia

A groundwater exploratory program was undertaken to establish additional process and potable water supplies for the minesite.

Exploratory bores were drilled around the existing main borefield completd within the Bangemall metsediments.  One bore provided a short-term yield of 220kL/d, although interference effects will limit
long-term yield.  Borefield supplies are also limited by the volumetric capacity of the existing pipeline
servicing the mining operation.

A second exploratory program was undertaken around the ‘Spehrs’ borefield completed within the folded mine sequence.  Minor additional water supplies were obtained from bores completed within the exposed hanging wall sequence; numerous bores had been drilled with highly variable results.  The geological structure was reviewed; successful bores intercepted a chert sequence locally absent through folding and faulting.

Two additional bores were completed, providing an additional 463kL/d.  The additional water resource obtained from the overall program was in excess of the net target requirements for the minesite.

Stuart Jeffries
Hydrosolutions Pty Ltd

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