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Australia
Thalanga Mine

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 Location:
65 km SW from Charters Towers, Queensland, Australia

  Regional Office:
PO Box 1248
Charters Towers
Queensland, Australia
4820
Phone  ...  Subscription required
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit & Underground
Commodities
  • Copper
  • Lead
  • Zinc
Mining Method
  • Truck & Shovel / Loader
  • Longhole open stoping
  • Cemented backfill
  • Backfill
Processing
  • Flotation
Mine Life10 years (as of Jan 1, 2020)
Thalanga Zinc Project consists of the Thalanga Mill and base metal deposits at West 45, Far West, Waterloo, Orient and Liontown.
Production of metal concentrates at Thalanga Zinc Project recommenced in September 2017 after a five-year hiatus.
Latest NewsPYBAR awarded contract for Red River’s Thalanga mine in QLD     July 6, 2018


Owners

Source: p. 9
CompanyInterestOwnership
Red River Resources Ltd. 100 % Direct
Red River’s foundation asset is the Thalanga Base Metal Operation in Northern Queensland, which was acquired in 2014 and where Red River commenced copper, lead and zinc concentrate production in September 2017.

Deposit Type

  • VMS


Summary:

The Thalanga Operation is located in the highly prospective Cambro-Ordovician Mt Windsor Volcanic Belt which contains a number of known polymetallic (copper-lead-zinc +/- gold-silver) volcanic hosted massive sulphide (VHMS) deposits and gold deposits.

The West 45 deposit is located 1.7km west of the Thalanga Plant and it is ~1.4km by unsealed road from the portal to the run of mine (ROM) ore pad.

The Far West deposit is located ~500m from the ROM pad at the Plant, to the west of and directly adjacent to the historically mined Thalanga West deposit. Far West sits within existing mining leases. Much like West 45, Far West is a VHMS deposit which is of polymetallic nature and contains zinc, lead, copper, gold and silver.

The Waterloo deposit is located approximately 40km to the SSW of Charters Towers and ~50km east from the Thalanga mine. As with the West 45 and Far West deposits, Waterloo is a VHMS deposit which contains zinc, lead, copper, gold and silver. Red River intends to mine Waterloo and truck the ore to the Thalanga Plant for processing.

The Liontown polymetallic volcanogenic hosted massive sulphide deposit is located 40km southwest of Charters Towers in North Queensland. It is accessed by the Flinders Highway and the Gregory Developmental Road. Red River acquired the Liontown Project in 2014 with the acquisition of the Thalanga Base Metal Operations.

Mineralisation in the Liontown Horizon is developed in the basal siltstone unit of the hangingwall sequence, with the most consistent mineralisation lying immediately above the pumice breccia. Mineralisation is developed as multiple zones of stratiform, laminated, semi-massive and rarely massive sulphide. The Liontown host rocks comprise a footwall sequence of dacitic pyroclastics termed pumice breccia, which has been strongly silicified and chlorite altered.


Mining Methods

  • Truck & Shovel / Loader
  • Longhole open stoping
  • Cemented backfill
  • Backfill


Summary:

Red River acquired the Thalanga Operation in 2014 and commenced production from the West 45 deposit in 2017. Production from West 45 ceased in 2020 and ore for the Thalanga Operation is currently being sourced from the Far West underground mine, with plans to develop the Liontown deposit to extend the operational life of Thalanga.

As per West 45, Far West will be mined using long hole stoping (LHS), based on the advice provided by the independent technical consultant, Mining One. This method is well suited to a resource with the dip, width and desired production rate of Far West. Stope backfill will be a combination of cemented rock fill (CRF) and unconsolidated waste rock fill, which enables a high recovery of ore, removing the need to leave pillars within the orebody, and also utilising the waste rock.

Total Far West UG capital development in FY20 was 2,446m for the period (954m lateral capital development, 1,131m decline development and 361m vertical capital development). Total development for the period was 4,270m (including operating development of 1,824m).

Red River has commenced development activities at Liontown, with the intention to commence mining at Liontown in FY23.

Project development activities commenced at the Liontown Project during the period of 2020. Red River is focusing on an open pit / UG development for the Liontown Project with a conceptual mine life of 10+ years. During the period of 2020, historic tailings from Liontown were processed at Thalanga to produce a gold concentrate, paving the way for the commencement of mine development activities.

Red River is currently working on a combined open pit and underground development for the Liontown Project, with a conceptual mine life in excess of 10 years. During the year, the historic tailings from Liontown Project were processed at Thalanga to produce a gold concentrate, paving the way for mine development activities to commence.


Crushing and Grinding
Crusher / Mill TypeModelSizePowerQuantity
Jaw crusher 48" x 60" 200 kW 1
Cone crusher 200 kW 2
Ball mill 640 kW 3

Summary:

- Crushing circuit (three-stage crushing circuit);
- Milling circuit (primary (x1) and secondary ball mill (x2) circuit);


Processing

  • Flotation

Source: Subscription required

Summary:

The Thalanga Plant is designed for a nominal throughput of 650ktpa, using standard industry technology to produce saleable copper, lead and zinc concentrates via flotation. The plant flowsheet is summarised as:

- Concentrate flotation circuit (differential copper, lead and zinc flotation circuits);
- Concentrate thickening and filtration;
- Regrind circuit;
- Concentrate storage, blending and transport;
- Sub-aqueous disposal of tailings.

Recoveries & Grades:

CommodityParameter202020192018
Copper Recovery Rate, %  ......  Subscription required  ......  Subscription required39.2
Copper Head Grade, %  ......  Subscription required  ......  Subscription required0.3
Copper Concentrate Grade, %  ......  Subscription required  ......  Subscription required25.3
Lead Recovery Rate, %  ......  Subscription required  ......  Subscription required72.4
Lead Head Grade, %  ......  Subscription required  ......  Subscription required2.3
Lead Concentrate Grade, %  ......  Subscription required  ......  Subscription required60.3
Zinc Recovery Rate, %  ......  Subscription required  ......  Subscription required81.9
Zinc Head Grade, %  ......  Subscription required  ......  Subscription required4.8
Zinc Concentrate Grade, %  ......  Subscription required  ......  Subscription required56.6
Gold Concentrate Grade, g/t  ......  Subscription required  ......  Subscription required

Production:
During the quarter 2020, approximately 13,000 tonnes of historic gold tailings were reclaimed from the Liontown Project site, trucked to Thalanga Operations and processed through the mill to produce 475 DMT tonnes of gold concentrate grading 62.3 g/t Au, 197 g/t Ag and 12.8% Cu.

CommodityProductUnits202020192018
Copper Concentrate kt  ......  Subscription required  ......  Subscription required1.5
Lead Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required
Zinc Payable metal M lbs  ......  Subscription required
Zinc Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gold Concentrate kt  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics202020192018
Ore tonnes mined  ......  Subscription required383 kt248 kt
Annual production capacity  ......  Subscription required
Tonnes processed  ......  Subscription required407 kt228 kt
Annual processing capacity  ......  Subscription required650 kt650 kt
Subscription required - Subscription is required.

Reserves at August 25, 2020:

CategoryTonnage CommodityGrade
Proven 1,162 kt Copper 1.2 %
Proven 1,162 kt Lead 1.5 %
Proven 1,162 kt Zinc 4.5 %
Proven 1,162 kt Gold 0.2 g/t
Proven 1,162 kt Silver 40 g/t
Proven 1,162 kt Zinc Equivalent 10.7 %
Measured 134 kt Copper 1.7 %
Measured 134 kt Lead 1.9 %
Measured 134 kt Zinc 6.1 %
Measured 134 kt Gold 0.3 g/t
Measured 134 kt Silver 55 g/t
Measured 134 kt Zinc Equivalent 15 %
Indicated 2,840 kt Copper 1.2 %
Indicated 2,840 kt Lead 2 %
Indicated 2,840 kt Zinc 7.6 %
Indicated 2,840 kt Gold 0.7 g/t
Indicated 2,840 kt Silver 52 g/t
Indicated 2,840 kt Zinc Equivalent 15.4 %
Inferred 3,755 kt Copper 0.8 %
Inferred 3,755 kt Lead 1.8 %
Inferred 3,755 kt Zinc 6.1 %
Inferred 3,755 kt Gold 1 g/t
Inferred 3,755 kt Silver 29 g/t
Inferred 3,755 kt Zinc Equivalent 12.9 %
Total Resource 6,729 kt Copper 1 %
Total Resource 6,729 kt Lead 1.9 %
Total Resource 6,729 kt Zinc 6.7 %
Total Resource 6,729 kt Gold 0.9 g/t
Total Resource 6,729 kt Silver 39 g/t
Total Resource 6,729 kt Zinc Equivalent 14 %

Commodity Production Costs:

CommodityUnits202020192018
C1 cash costs Zinc USD  ......  Subscription required†  ......  Subscription required† 0.55 / lb†
C2 total cash costs Zinc USD  ......  Subscription required†  ......  Subscription required† 0.99 / lb†
C3 fully allocated costs Zinc USD  ......  Subscription required†  ......  Subscription required† 1.23 / lb†
† Net of By-Product.
Subscription required - Subscription is required.

Financials:

Units202020192018
Revenue M AUD  ......  Subscription required  ......  Subscription required51.1  
EBIT M AUD  ......  Subscription required
EBITDA M AUD  ......  Subscription required  ......  Subscription required11.8  
Subscription required - Subscription is required


Heavy Mobile Equipment as of June 24, 2021:
HME TypeModelQuantityLeased or
Contractor
Drill ....................... Subscription required ....................... Subscription required Leased
Drill jumbo (two boom) ....................... Subscription required ....................... Subscription required Leased
Grader ....................... Subscription required ....................... Subscription required Leased
Loader ....................... Subscription required ....................... Subscription required Leased
Truck (haul) ....................... Subscription required ....................... Subscription required Leased
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Aug 5, 2021
....................... Subscription required ....................... Subscription required Subscription required Aug 5, 2021
....................... Subscription required ....................... Subscription required Subscription required Aug 5, 2021
....................... Subscription required ....................... Subscription required Subscription required Aug 5, 2021
....................... Subscription required ....................... Subscription required Subscription required Aug 5, 2021
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2020

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Quarterly Report 2018
Annual Report 2017
Press Release 2017
Press Release 2015
Subscription required - Subscription is required.

News:

NewsDate
PYBAR awarded contract for Red River’s Thalanga mine in QLD July 6, 2018
Red River Resources Announces Maiden Ore Reserve Estimate for Thalanga Far West VMS Deposit November 21, 2017

Aerial view:

Subscription required - Subscription is required.

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