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Australia
East Kundana (EKJV) Mine (Mungari Operation)

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 Location:
21 km W from Kalgoorlie, Western Australia, Australia

  Address:
Kundana Road PO
Box 10398
Kalgoorlie
Western Australia, Australia
6430
Phone  ...  Subscription required
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
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  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Gold
  • Silver
Mining Method
  • Open stoping
  • Paste backfill
Production Start...
On 18 August 2021, the Evolution announced the completion of the acquisition of the Kundana Assets (Kundana Operations, East Kundana Joint Venture ("EKJV"), Carbine Project, West Kundana Joint Venture (“WKJV”). The integration of the Kundana assets is well underway to create “One Mungari” with standardised systems and processes, and the sharing of equipment and workforce across what were previously three separately run operations.


Owners

Source: p. 4
CompanyInterestOwnership
Rand Mining Ltd. 12.25 % Indirect
Tribune Resources Ltd. 36.75 % Indirect
Evolution Mining Ltd. (operator) 51 % Indirect
The East Kundana Joint Venture is between Rand Mining Limited(12.25%), Tribune Resources Limited(36.75%) and Gilt-Edged Mining Pty Limited(51%). On 18 August 2021, Gilt-Edged Mining became a wholly-owned subsidiary of Evolution Mining Limited.

Contractors

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Deposit Type

  • Vein / narrow vein


Summary:

The Kundana camp is situated within the NorsemanWiluna Greenstone Belt, in an area dominated by the Zuleika Shear Zone, which separates the Coolgardie domain from the Ora Banda domain. The Zuleika Shear Zone in the Kundana area comprises multiple anastomosing shears the most important of which are the K2, the K2A and Strzelecki Shears. Raleigh mineralisation is hosted on the Strzelecki Structure. Strzelecki mineralisation consists of very narrow, very highgrade mineralisation on a laminated vein hosted in the camp-scale Strzelecki Shear which abuts a differentiated mafic intrusive, the Powder Sill Gabbro against intermediate volcanoclastic rocks (Black Flag Group). A thin ‘skin’ of volcanogenic lithic siltstone-sandstone lies between the gabbro and the Strzelecki shear. Being bound by an intrusive contact on one side and a sheared contact on the other, the thickness of the sedimentary package is highly variable from absent to about forty metres true width. The Hornet-Rubicon-Pegasus mineralisation consists primarily of high-grade laminated vein hosted gold on the K2 plane of the Zuleika shear with additional mineralisation on associated lower order structures. The Falcon target is a related mineralised zone in the hangingwall to Pegasus and between the two main Zuleika structures, the K2 and Strzelecki structures.


Mining Methods

  • Open stoping
  • Paste backfill


Summary:

At underground mine, East Kundana mining methodology is Open stoping with pastefill.

5m x 5.5m declines from portals in two pits to five declines which access the Rubicon, Hornet, and Pegasus orebodies at RHP and Raleigh and Sadler orebodies at Raleigh. Deepest current level is approximately 738 metres below the surface (Raleigh).


Crushing and Grinding
Flow Sheet: Source

Three stage crushing:
- Primary Metso C140 Jaw crusher (220kW) -1250 x 940mm throat- feed size 800mm, product size p80-120mm;
- Secondary(1) and tertiary(1) crushers: Metso HP 4 (315kW) Product size 17mm;
- Product Screen: Joest inclined vibrating screen 2.44 x 7.6m;
- 4 x conveyor belts, Belt and static magnets as well as a rock breaker for the primary crusher.

Grinding:
- Ball Mill with 4,500kW installed power, Mill size 5.5m(dia) x 8.74m(l), Polymet composite liners, Classification Weir Cavex 250mm (x11) Grind size p80 – 106 µm.


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits2022202120202019201820172016
Gold oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required193,369216,621209,106
Silver oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
All production numbers are expressed as metal in doré.
Subscription required - Subscription is required.

Operational Metrics:

Metrics20222017
Tonnes processed  ......  Subscription required
Ore tonnes mined  ......  Subscription required0.9 Mt
Subscription required - Subscription is required.

Reserves at December 31, 2021:

CategoryTonnage CommodityGradeContained Metal
Proven 1,222 kt Gold 4.9 g/t 193 koz
Probable 2,343 kt Gold 4.8 g/t 359 koz
Proven & Probable 3,565 kt Gold 4.8 g/t 552 koz
Measured 1,695 kt Gold 6.6 g/t 362 koz
Indicated 4,868 kt Gold 5.6 g/t 873 koz
Inferred 2,321 kt Gold 4.5 g/t 337 koz
Total Resource 8,884 kt Gold 5.5 g/t 1,572 koz



Heavy Mobile Equipment as of June 30, 2022:
HME TypeModelQuantity
Drill (long hole) ....................... Subscription required ....................... Subscription required
Drill (long hole) ....................... Subscription required ....................... Subscription required
Drill (long hole) ....................... Subscription required ....................... Subscription required
Drill jumbo (two boom) ....................... Subscription required ....................... Subscription required
Explosives Charger ....................... Subscription required ....................... Subscription required
Loader ....................... Subscription required ....................... Subscription required
Truck (haul) ....................... Subscription required ....................... Subscription required
Truck (service) ....................... Subscription required ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Dec 26, 2022
....................... Subscription required ....................... Subscription required Subscription required Dec 20, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 26, 2022
Subscription required - Subscription is required.

Staff:

EmployeesYear
Subscription required 2022

Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
Annual Report 2022
Fact Sheet 2022
Quarterly Report 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Annual Report 2018
Fact Sheet 2018
Annual Report 2017
Fact Sheet 2016
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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