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August 30, 2018

Diggers & Dealers Interview

July 20, 2018

The West Australian: 12 April 2018




The Matilda Mining Centre encompasses 10km of strike along the highly prospective Coles Shear. The historical workings comprise a series of shallow open pits to an average depth of 50 metres over a strike length of approximately 3.5 kilometres. Gold mineralisation is associated with mafic-hosted shear zones with supergene gold occurring within the zone of oxidation. Mineralisation remains open both along strike and at depth.

A number of operators mined at Matilda to the early 1990s when production in 1992 due to low gold prices with a total combined production (since the early 1900’s) of approximately 2.66Mt @ 2.3 g/t gold for 163,000 ounces of gold.

In 2016, Blackham recommenced mining at a number of new pits and pit cut-backs that provided the majority of the feed for the processing plant at Wiluna.  Mining is expected to be completed in the first half of 2019 when oxide mill feed will be sourced from the Wiluna and Williamson deposits.

High grade sulphide mineralisation has been identified under the existing pits that provides potential for future surface or underground mining once the sulphide ore treatment circuit at Wiluna is operational. 

Key Project Points

  • Mining commenced August 2016
  • Only 19km from Wiluna Gold Plant by existing haul road
  • Production from seven shallow pits: 2.66 Mt@ 2.31g/t 163,000oz au -1987-1992
  • The Matilda pits have supplied 74oz of production since 2016
  • Mostly oxide material mined from all pits, generally to < 50m – most pits open along strike
  • Historical mining data a basis for feasibility studies