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Australia
Jaguar-Bentley Mine

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 Location:
60 km N from Leonora, Western Australia, Australia

  Address:
Level 10, 120 Edward St
GPO Box 778
Brisbane
Queensland, Australia
4000
Phone  ...  Subscription required
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Zinc
  • Copper
  • Silver
  • Gold
Mining Method
  • Longhole stoping
  • Backfill
Processing
  • Crush & Screen plant
  • Dewatering
  • Flotation
Mine Life3 years (as of Jan 1, 2021)
Latest NewsWashington H. Soul Pattinson and Company Ltd.: Sale of Round Oak Minerals to Aeris Resources     April 28, 2022


Owners

Source: p. 22, 162
CompanyInterestOwnership
Round Oak Minerals Pty Ltd. (operator) 100 % Indirect
Washington H. Soul Pattinson & Co. Ltd. 100 % Indirect

Deposit Type

  • VMS


Summary:

The Jaguar Operation is a cluster of Volcanic Massive Sulphides (VMS) deposits located within the Gindalbie Terrane, a part of the late Archaean Eastern Goldfields Superterrane of the Yilgarn Craton of Western Australia. The area is dominated by volcanic and lesser sedimentary and intrusive rocks that have undergone tilting to sub-vertical positions. Regional metamorphism is lower greenschist facies.

The three principal deposits forming the known VMS cluster are Bentley, Jaguar and Teutonic Bore. The deposits have formed by sub-seafloor replacement, principally of shales and volcanoclastic sediments with mineralisation located in a similar stratigraphic position near a transition from calc-alkaline to tholeiitic volcanism.

The Bentley mineralisation occurs at the contact of a thick basal rhyolitic sequence with an overlying andesite. The rhyolitic sequence is overlain by a sediment unit comprising carbonaceous mudstones and siltstones.

The Bentley massive sulphide mineralisation is banded and consists of pyrite, sphalerite, chalcopyrite, galena and minor pyrrhotite. The upper contact of the massive sulphide is typically sharp. The footwall to massive sulphide consists typically of stringer and disseminated sulphide mineralisation comprising pyrite, chalcopyrite and minor sphalerite.


Mining Methods

  • Longhole stoping
  • Backfill


Summary:

The Jaguar Operation is an owner-operated underground mine, that predominately uses long-hole stoping with backfill. Ore is hauled to the surface using dump trucks and then transported to the nearby Jaguar Mill for processing.


Crushing and Grinding
Crusher / Mill TypeModelSizePowerQuantity
SAG mill 1
Ball mill 1

Summary:

Processing metods: Single stage crushing, SAG/Ball milling.


Processing

  • Crush & Screen plant
  • Dewatering
  • Flotation

Source: Subscription required

Summary:

All ore is processed at the Jaguar concentrator, producing both a copper concentrate and a zinc concentrate, which is trucked to the port of Geraldton for export. The copper concentrate contains significant levels of silver and gold as by-products, which attract precious metal credits that contribute significantly to the Group’s revenues and cash flows. The zinc concentrate has minor amounts of silver in its concentrate.

Processing metods: Single stage crushing, SAG/Ball milling, differential flotation and filtration.

Recoveries & Grades:

CommodityParameter201820172016
Zinc Head Grade, % 7.18.168.98
Copper Head Grade, % 0.61.281.77
Silver Head Grade, g/t 125137131
Gold Head Grade, g/t 0.470.580.77

Production:

CommodityProductUnits2021201820172016
Zinc Metal in concentrate t  ......  Subscription required26,15932,63839,335
Zinc Concentrate kt  ......  Subscription required
Copper Metal in concentrate t  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Copper Concentrate kt  ......  Subscription required
Silver Metal in concentrate oz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Zinc Payable metal t 21,74727,067
Copper Payable metal t  ......  Subscription required  ......  Subscription required
Silver Payable metal oz  ......  Subscription required  ......  Subscription required
Gold Payable metal oz  ......  Subscription required  ......  Subscription required
Gold Metal in concentrate oz  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics2021201820172016
Tonnes processed  ......  Subscription required411,219 t443,485 t505,578 t
Ore tonnes mined  ......  Subscription required414,582 t444,700 t497,751 t
Subscription required - Subscription is required.

Reserves at December 31, 2017:

CategoryTonnage CommodityGradeContained Metal
Proven 0.3 Mt Zinc 9.34 % 25 kt
Proven 0.3 Mt Copper 1.3 % 3 kt
Proven 0.3 Mt Silver 158 g/t 1 M oz
Proven 0.3 Mt Gold 0.78 g/t 7 koz
Probable 2.1 Mt Zinc 6.38 % 136 kt
Probable 2.1 Mt Copper 0.58 % 13 kt
Probable 2.1 Mt Silver 93 g/t 6 M oz
Probable 2.1 Mt Gold 0.43 g/t 30 koz
Proven & Probable 2.4 Mt Zinc 6.71 % 161 kt
Proven & Probable 2.4 Mt Copper 0.66 % 16 kt
Proven & Probable 2.4 Mt Silver 100 g/t 8 M oz
Proven & Probable 2.4 Mt Gold 0.47 g/t 36 koz
Measured 0.3 Mt Zinc 12.77 % 43 kt
Measured 0.3 Mt Copper 1.51 % 5 kt
Measured 0.3 Mt Silver 202 g/t 2 M oz
Measured 0.3 Mt Gold 1.04 g/t 11 koz
Indicated 4.3 Mt Zinc 5.89 % 254 kt
Indicated 4.3 Mt Copper 0.85 % 37 kt
Indicated 4.3 Mt Silver 89 g/t 12 M oz
Indicated 4.3 Mt Gold 0.39 g/t 56 koz
Inferred 1.9 Mt Zinc 3.7 % 64 kt
Inferred 1.9 Mt Copper 0.7 % 14 kt
Inferred 1.9 Mt Silver 57 g/t 3 M oz
Inferred 1.9 Mt Gold 0.4 g/t 23 koz
Total Resource 6.5 Mt Zinc 5.6 % 364 kt
Total Resource 6.5 Mt Copper 0.9 % 55 kt
Total Resource 6.5 Mt Silver 85 g/t 18 M oz
Total Resource 6.5 Mt Gold 0.4 g/t 90 koz

Commodity Production Costs:

CommodityUnits201820172016
Cash costs Zinc AUD 1.25 / lb† 0.76 / lb† 0.53 / lb†
† Net of By-Product.

Financials:

Units201820172016
Revenue M AUD 112.1   137.5   133  
Pre-tax Income M AUD 12.9   33.5   17.3  


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Oct 28, 2021
....................... Subscription required ....................... Subscription required Subscription required Oct 28, 2021
....................... Subscription required ....................... Subscription required Subscription required Oct 28, 2021
....................... Subscription required ....................... Subscription required Subscription required Oct 28, 2021
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
Annual Report 2018
Annual Report 2017
Annual Report 2016
Year-end Mineral Reserves 2016
Environmental Assessment 2013
Subscription required - Subscription is required.

News:

NewsDate
Washington H. Soul Pattinson and Company Ltd.: Sale of Round Oak Minerals to Aeris Resources April 28, 2022

Aerial view:

Subscription required - Subscription is required.

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