Asset Report
Martha Hill (Waihi) gold mine
Report summary
The mine is located within the town of Waihi, 150 kilometres southeast of Auckland, New Zealand. Martha open pit operations are currently suspended following a ramp failure in 2015. Underground mining has been from the Favona, Trio and Correnso deposits and is transitioning into the Martha underground mine in 2021. High grade gold-silver mineralisation occurs in narrow epithermal quartz-adularia veins. Mill capacity is 1.3Mt/a with a conventional SAG and ball mill and a CIP circuit and is expected to progressively expand through modifications to 1.6Mt/a between 2022 and 2026.
Table of contents
- Summary
- Mining
- Processing
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