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Agnew has an intensified focus on defining new ore sources at New Holland and Waroonga, in conjunction with targeted exploration programmes testing an expanded area beyond current mining fronts. These include Waroonga North and the under-explored Cinderella Trend. The objective is to increase the Mineral Resource and Mineral Reserve base to generate a new high grade backbone to sustain a robust five-year plan supported by an improved understanding of the broader regional targets to discover the next generation of mines. Development of the FBH area at Waroonga has continued, with the objective of replacing production from the Kim ore body in the future.

Asset fundamentals

Asset fundamentals    
General location   Agnew is situated at latitude 27° 55’ S and longitude 120° 42’ E in the Norseman-Wiluna Greenstone Belt. It is located 23 kilometres west of the town of Leinster in Western Australia, which is 375 kilometres north of Kalgoorlie and approximately 870 kilometres north-east of Perth. Well-established power, access roads and supporting infrastructure are in place.
Licence status
and holdings
  The Agnew Gold Mining Company Proprietary Limited (AGMC), ACN 098-385-883, was incorporated in Australia in 2001 as the legal entity holding and conducting mining activity on the Agnew mineral leases. The Gold Fields Limited Group holds 100% of the issued shares of AGMC through its 100% holding in the issued shares of Orogen Holding (BVI) Limited. Agnew controls exploration and mineral rights over a total area of 74,409 hectares (total of granted tenements) and has security of tenure for all current exploration and mining leases that contribute to future Mineral Reserves.
  Agnew currently operates two underground mines, Waroonga and New Holland. At Waroonga, ore is sourced from the Kim, FBH and Main North lodes that are accessed via declines. New Holland mining occurs in three primary areas: Genesis 500, Cinderella and Sheba. These are accessed via declines. There are also centralised administrative offices, as well as engineering workshops at both Waroonga and New Holland and one active CIP processing plant (1.3Mtpa. capacity).
Climate   No extreme climate conditions are experienced that may affect mining operations.
Deposit type   Orogenic greenstone gold deposits hosted in a number of different styles of lodes. Although all of the Agnew deposits broadly occur at the intersections between structures and stratigraphy, there are subtle differences in alteration and mineralisation, which are controlled in part by the local host rock chemistry.
LoM   Extensional and brownfields exploration continue, which could increase the LoM. It is estimated that the current Mineral Reserves will be depleted in 2019
(4 years).
health and safety
  Agnew continues to be certified to OHSAS18001 and ISO 14001 Environmental Management System. During 2014, the New Holland operations were amalgamated under these certifications.
Agnew was certified as compliant with the ICMC on 3 June 2009

Brief history of Agnew


Paddy Lawlers’ prospecting party were responsible for the discovery of gold at Lamehorse Soak in 1894, approximately 10km south of Agnew. The Great Eastern and Donegal leases were pegged in the same year and mining commenced. The discovery and subsequent mining of the Waroonga, Glasgow Lass, New Holland and Cinderella areas all commenced before 1899. East Murchison United commenced the mining of nine underground levels at Main Lode in 1935 and the mine was operational until 1948.

In 1976, Western Mining Corporation (WMC) purchased the Waroonga leases and in 1984 Forsayth NL purchased the Great Eastern leases and modern open pit mining commenced at both Waroonga (450 South) and Lawlers in the mid-1980s. Additional discoveries at Redeemer (1985) Cox-Crusader (1987) and Genesis (1990) ensured that both the Emu and Lawlers mills operated at capacity while additional open pit discoveries at New Holland (1991) and Fairyland (1997) were made before underground mining commenced at New Holland in 1998.

The Lawlers operation was purchased by Plutonic Resources from Forsayth in 1992 and was subsequently acquired by Homestake in 1998. During 2001, Barrick merged with Homestake and Gold Fields acquired Agnew from WMC. The Kim South lode at Waroonga was discovered in 2002, as was Songvang OP, with production commencing in 2002 and 2004 respectively. Further discoveries were made at Fairyland UG (2009) and FBH in 2012. Gold Fields concluded the acquisition of the neighbouring Lawlers Mine from Barrick in October 2013.

Key developments at Agnew


Drilling at Cinderella has successfully increased the Mineral Resource and defined a maiden Mineral Reserve in 2015
The Cinderella pre-feasibility study was completed and approval given to initiate capital development in late 2015, with underground production commencing in H2 2016
Exploration drilling to the north of Kim lode has continued to return highly encouraging results from the Waroonga North project. Acceleration of the resource definition drilling is planned for 2016
Extensional and infill drilling at FBH has increased confidence and definition in the geology model. This enables detailed planning for on-lode access development and initial stoping, which commenced in 2015
Regional consolidation and ranking of exploration targets across Agnew was completed during the year with a significant ramp up on early stage exploration and near mine brownfields exploration planned in 2016
2016 will include assessment of the potential of Hidden Secret, Cinderella North, Leviathan and Zone 2 South open pit

Plan of the Agnew/Lawlers mining area

acrobat icon Download plan [PDF - 256KB]
Geographic location
Geographic location

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