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Australia
Tropicana Mine

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 Location:
217 km SE from Laverton, Western Australia, Australia

  Address:
AMP Building, 140 St George’s Terrace
Perth
Western Australia, Austria
6000
Phone  ...  Subscription required
Fax+61-8-9425-4662
WebsiteWeb
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  • Overview
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  • Mining
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  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit & Underground
Commodities
  • Gold
Mining Method
  • Longitudinal open stoping
  • Truck & Shovel / Loader
  • Sub-level stoping
  • Longhole open stoping
Production Start...
Mine Life9 years (as of Jan 1, 2022)
The Tropicana Gold Project contains the Tropicana, Havana and Boston Shaker open pits and the Boston Shaker underground operation.


Owners

Source: p. 2
CompanyInterestOwnership
Regis Resources Ltd. 30 % Indirect
AngloGold Ashanti Ltd. 70 % Indirect
AngloGold Ashanti Australia Ltd. (operator) 70 % Direct
Tropicana is held in a Joint Venture agreement between Regis (30%) and AngloGold Ashanti Australia Limited (70%).

Contractors

Subscription required - Subscription is required.


Deposit Type

  • Metamorphic hosted


Summary:

The Tropicana Gold Project area lies east of a northeast trending magnetic feature, interpreted to be the major tectonic suture between the Yilgarn Craton and the Proterozoic Albany-Fraser Orogen that extends over 700km. The gold deposit is hosted in Archaean gneissic metamorphic rocks (ca. 2,640Ma) with cover sequences generally 10 to 30m thick resulting in the mineral deposit not being exposed at surface.

The 5km long strike of gold mineralisation at Tropicana is subdivided into five shear offset zones from north to south – Boston Shaker, Tropicana, Havana, Havana Deeps, and Havana South. The mineralised corridor is ~1.2km wide and up to 1.5km down dip to the current deepest drill intercepts. Within each zone the gold mineralisation trends north to northeast. Gold is concentrated in ~2m to ~50m thick subparallel layers within the ‘favourable horizon’ which comprises quartz-feldspar gneiss units.

Together, the Tropicana, Havana, Havana South and Boston Shaker deposits define a northeast trending mineralised corridor, approximately 1.2km wide and 5km long that has been tested to a vertical depth of more than 1,200m. The Mineral Resource remains open down-dip from the Tropicana, Havana and Boston Shaker deposits and has the potential to be extended to the north and south. Neither the immediate metamorphic host rocks nor the mineralised zones are exposed at surface due to the presence of widespread younger cover sequences.

The Tropicana area is ........


Mining Methods

  • Longitudinal open stoping
  • Truck & Shovel / Loader
  • Sub-level stoping
  • Longhole open stoping


Summary:

Open Pit
The Open Pits at Tropicana are conventional load and haul operations. Loading is by combination of face shovels, and excavators, and haulage carried out with a fleet of rigid body haul trucks. Smaller class excavators are used for batter scaling operations and ancillary works. A fleet of loaders service the Run of Mine (ROM) stockpile requirements for ore feed to crusher, and to rehandle underground ore material from in-pit stockpile locations to ROM.

The mined ore material is hauled by the open pit mining fleet to the ROM stockpile pad and the crusher. The waste material mined is transported to a combination of external waste dumps and internal in-pit waste dumps.

Underground
The underground mine is designed using conventional mechanized mining methods. Development uses a jumbo for drill and blest excavations, as well as installing ground support. Productions activities are based around variations of top-down longhole stoping methods, depending on the width of the orebody, with ore pillars left in situ between stopes to reduce waste dilution and ensure long term regional stability.

Areas with an orebody width of less than 20 metres are designed as longitudinal longhole sublevel open stoping, retreating along strike to the cross-cut. Areas with a width greater than 20 metres are designed as transverse longhole stoping, employing multiple ore drives across the stope width connected with cross-cut drives perpendicular to the s ........


Crushing and Grinding
Source: Subscription required

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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits2022202120202019201820172016
Gold koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required467432448
All production numbers are expressed as metal in doré. ^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202220212020201920182017
Ore tonnes mined  ......  Subscription required  ......  Subscription required17,211 kt10,452 kt8,875 kdmt
Tonnes milled  ......  Subscription required  ......  Subscription required  ......  Subscription required8,177 kt7,781 kt7,326 kdmt
Stripping / waste ratio  ......  Subscription required  ......  Subscription required  ......  Subscription required
Annual milling capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required8.2 Mt7.5 Mt7.5 Mt
Waste  ......  Subscription required  ......  Subscription required  ......  Subscription required73,406 kt76,544 kt73,249 kdmt
Subscription required - Subscription is required.

Reserves at December 31, 2021:
Mineral Resources Estimate was reported using underground cut-off grade of 1.7g/t Au; open pit cut-offs are 0.3 g/t Au for oxide and transitional, 0.4 g/t Au for fresh ore.

Mineral Reserves Estimate was reported using open pit cut-off grade of 0.7 g/t Au for fresh rock, 0.6 g/t Au for oxide and transitional; underground cut-off grade of 2.7 g/t Au. in in Boston Shaker and 2.1 g/t in Tropicana.

CategoryOreTypeTonnage CommodityGradeContained Metal
Proven Stockpiles 12.7 Mt Gold 0.9 g/t 0.35 M oz
Proven In-Situ (OP) 4.5 Mt Gold 2 g/t 0.29 M oz
Proven In-Situ (UG) 3.1 Mt Gold 2.9 g/t 0.29 M oz
Proven Total 20.3 Mt Gold 1.4 g/t 0.92 M oz
Probable In-Situ (OP) 22.3 Mt Gold 2 g/t 1.41 M oz
Probable In-Situ (UG) 0.4 Mt Gold 3.4 g/t 0.04 M oz
Probable Total 22.7 Mt Gold 2 g/t 1.46 M oz
Proven & Probable Stockpiles 12.7 Mt Gold 0.9 g/t 0.35 M oz
Proven & Probable In-Situ (OP) 26.8 Mt Gold 2 g/t 1.7 M oz
Proven & Probable In-Situ (UG) 3.5 Mt Gold 2.9 g/t 0.33 M oz
Proven & Probable Total 43.1 Mt Gold 1.7 g/t 2.38 M oz
Measured Stockpiles 30 Mt Gold 0.7 g/t 0.63 M oz
Measured In-Situ (OP) 7.5 Mt Gold 1.5 g/t 0.36 M oz
Measured In-Situ (UG) 8.2 Mt Gold 2.8 g/t 0.74 M oz
Measured Total 45.7 Mt Gold 1.2 g/t 1.74 M oz
Indicated In-Situ (OP) 42.1 Mt Gold 1.5 g/t 1.98 M oz
Indicated In-Situ (UG) 4.4 Mt Gold 3 g/t 0.43 M oz
Indicated Total 46.5 Mt Gold 1.6 g/t 2.41 M oz
Inferred In-Situ (OP) 1.3 Mt Gold 1 g/t 0.04 M oz
Inferred In-Situ (UG) 32.6 Mt Gold 2.6 g/t 2.76 M oz
Inferred Total 34 Mt Gold 2.6 g/t 2.8 M oz
Total Resource Stockpiles 30 Mt Gold 0.7 g/t 0.63 M oz
Total Resource In-Situ (OP) 51 Mt Gold 1.5 g/t 2.38 M oz
Total Resource In-Situ (UG) 45.2 Mt Gold 2.7 g/t 3.93 M oz
Total Resource Total 126.2 Mt Gold 1.7 g/t 6.95 M oz

Commodity Production Costs:

CommodityUnits2022202120202019201820172016
Cash costs Gold AUD  ......  Subscription required  ......  Subscription required  ......  Subscription required 713 / oz   817 / oz   730 / oz  
Total cash costs Gold AUD  ......  Subscription required
All-in sustaining costs (AISC) Gold AUD  ......  Subscription required  ......  Subscription required
All-in sustaining costs (sold) Gold AUD  ......  Subscription required  ......  Subscription required 1,061 / oz   1,162 / oz   918 / oz  
^ Guidance / Forecast.
Subscription required - Subscription is required.

Financials:

Units202220202019201820172016
Capital expenditures M AUD  ......  Subscription required  ......  Subscription required  ......  Subscription required 47.7   32.3   41  
Revenue M AUD  ......  Subscription required  ......  Subscription required  ......  Subscription required 801.3   706.4   716.7  
Operating Income M AUD  ......  Subscription required  ......  Subscription required  ......  Subscription required 287.6   194.3   214.4  
EBITDA M AUD  ......  Subscription required  ......  Subscription required 470   353.7   383  
Subscription required - Subscription is required



Heavy Mobile Equipment as of March 30, 2022:
HME TypeModelQuantityLeased or
Contractor
Dozer ....................... Subscription required ....................... Subscription required Leased
Dozer ....................... Subscription required ....................... Subscription required Leased
Dozer ....................... Subscription required ....................... Subscription required Leased
Dozer ....................... Subscription required ....................... Subscription required Leased
Drill ....................... Subscription required ....................... Subscription required Leased
Drill ....................... Subscription required ....................... Subscription required Leased
Drill ....................... Subscription required ....................... Subscription required Leased
Drill ....................... Subscription required ....................... Subscription required Leased
Drill ....................... Subscription required ....................... Subscription required Leased
Drill (blasthole) ....................... Subscription required ....................... Subscription required Leased
Drill (blasthole) ....................... Subscription required ....................... Subscription required Leased
Excavator ....................... Subscription required ....................... Subscription required Leased
Excavator ....................... Subscription required ....................... Subscription required Leased
Excavator ....................... Subscription required ....................... Subscription required Leased
Excavator ....................... Subscription required ....................... Subscription required Leased
Excavator ....................... Subscription required ....................... Subscription required Leased
Excavator ....................... Subscription required ....................... Subscription required Leased
Grader ....................... Subscription required ....................... Subscription required Leased
Grader ....................... Subscription required ....................... Subscription required Leased
Loader ....................... Subscription required ....................... Subscription required Leased
Loader ....................... Subscription required ....................... Subscription required Leased
Loader ....................... Subscription required ....................... Subscription required Leased
Loader ....................... Subscription required ....................... Subscription required Leased
Loader - Tool Carrier ....................... Subscription required ....................... Subscription required Leased
Loader (FEL) ....................... Subscription required ....................... Subscription required Leased
Loader (FEL) ....................... Subscription required ....................... Subscription required Leased
Loader (FEL) ....................... Subscription required ....................... Subscription required Leased
Loader (FEL) ....................... Subscription required ....................... Subscription required Leased
Loader (FEL) ....................... Subscription required ....................... Subscription required Leased
Loader (FEL) ....................... Subscription required ....................... Subscription required Leased
Loader (FEL) ....................... Subscription required ....................... Subscription required Leased
Loader (FEL) ....................... Subscription required ....................... Subscription required Leased
Loader (FEL) ....................... Subscription required ....................... Subscription required Leased
Load-Haul-Dump (LHD) ....................... Subscription required ....................... Subscription required Leased
Shovel ....................... Subscription required ....................... Subscription required Leased
Truck (haul) ....................... Subscription required ....................... Subscription required Leased
Truck (haul) ....................... Subscription required ....................... Subscription required Leased
Truck (haul) ....................... Subscription required ....................... Subscription required Leased
Truck (haul) ....................... Subscription required ....................... Subscription required Leased
Truck (water) ....................... Subscription required ....................... Subscription required Leased
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 21, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 21, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 21, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 21, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 21, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2021
Subscription required Subscription required Subscription required 2020
Subscription required Subscription required Subscription required 2019
Subscription required Subscription required Subscription required 2018
Subscription required Subscription required Subscription required 2017
Subscription required Subscription required Subscription required 2016
Subscription required Subscription required Subscription required 2015
Subscription required Subscription required Subscription required 2014

Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
Technical Report 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Integrated Report 2018
Project Description 2018
Annual Report 2017
Annual Report 2017
Fact Sheet 2017
Other 2017
Annual Report 2016
Annual Report 2016
Corporate Presentation 2016
Year-end Mineral Reserves 2016
Annual Report 2015
Annual Report 2015
Other 2015
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