Mining Intelligence and News
Australia

Garden Well South Expansion Project

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Summary

Mine TypeUnderground
 Archived Information
Commodities
  • Gold
Mining Method
  • Longhole open stoping
Backfill type ... Lock
Mine Life... Lock
SnapshotGarden Well site is a part of Duketon South Operation.

Garden Well South commenced commercial production during May 2023.

Owners

SourceSource
CompanyInterestOwnership
Regis Resources Ltd. 100 % Indirect

Contractors

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Deposit type

  • Vein / narrow vein
  • Breccia pipe / Stockwork
  • Orogenic

Summary:

The Garden Well deposit lies in the DGB in the north-eastern part of the Archean Yilgarn Craton of Western Australia. The DGB is characterised by a strong N-S structural trend defined by major faults and shear zones, regional folds and granite batholiths.

The geology of GWS UG consists of a sequence of folded sedimentary and volcanic rocks. The sequence can be differentiated into fine grained siltstones, lapilli and tuff volcaniclastics, sedimentary breccias, black shales, banded iron formation, chert, interbedded chert/shale and a footwall basalt unit. All of the units strike NNW at approximately 340-350o. Folding is tight and plunges approximately 20o to the SSE.

Primary mineralisation is present as pyrite beds and veinlets within the western limb of the syncline, hosted by siderite-altered chert. Mineralisation at GDW is strongly controlled by lithological rock type.

The maiden GWS UG MRE is estimated from the initial target zone at GWS and extends over 700m down plunge to a depth of 500 meters below natural surface.

Gold is hosted in a moderate east to steeply dipping shear zone trending N-S. Gold mineralisation within chert, shale and BIF is associated with brecciated zones including elevated sulphides and quartz veins.

Reserves

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Mining Methods

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Required Heavy Mobile Equipment

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Comminution

Crushers and Mills

Milling equipment has not been reported.

Processing

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Commodity Production

CommodityUnitsLOM
Gold koz 176

Operational metrics

Metrics
Annual ore mining rate  ....  Subscribe
Ore tonnes mined, LOM  ....  Subscribe
* According to 2020 study.

Production Costs

CommodityUnitsAverage
All-in sustaining costs (AISC) Gold AUD  ....  Subscribe
Assumed price Gold AUD  ....  Subscribe
* According to 2020 study / presentation.

Project Costs

MetricsUnitsLOM Total
Pre-Production capital costs $M AUD  ......  Subscribe
Total CapEx $M AUD  ......  Subscribe

Personnel

Mine Management

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 22, 2025

Workforce

Aerial view:

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