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Brazil
Tucano Mine

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 Location:
93km NW from Santana, Brazil

  Address:
Estrada do Taperebá, SN, Pedra Branca do Amapari – AP
Brazil
Phone  ...  Subscription required
Fax+55-21-2122-2438
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StatusCare and Maintenance
Mine TypeOpen Pit
Commodities
  • Gold
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life2025
Great Panther Mining Brazilian subsidiary, Mina Tucano Ltda., intends to enter a temporary care and maintenance period while Great Panther Mining explores alternatives to maximize value for all stakeholders. Great Panther Mining intends to continue to process stockpiles during the care and maintenance period and work with its suppliers to maximize stakeholder value.

Optimized mine plan for Tucano sees a return to steadystate production in H2 2022:
• Production from URN & TAP C in H1; TAP AB and URCN in H2;
• Accelerating studies for Urucum North underground project; Engineering studies and permitting are underway and construction work is expected to commence in late 2022 with gold production from the Urucum North underground mine anticipated to come onstream in 2023;
• UCS pushback expected in H2; production from Urucum Central South (UCS) expected to resume in 2023.


Owners

Source: p. 42
CompanyInterestOwnership
Great Panther Mining Ltd. 100 % Indirect
Mina Tucano Ltda. (operator) 100 % Direct
Great Panther owns a 100% interest in Tucano through its wholly owned subsidiary, Mina Tucano.

Contractors

Subscription required - Subscription is required.


Deposit Type

  • Orogenic
  • Banded iron formation hosted


Summary:

The Tucano gold deposits are hosted in shear zones within a number of different Paleoproterozoic, metasedimentary host rocks. This mineralization style is considered to represent an orogenic, structurally controlled gold mineralizing system.

The mineralization at the Tucano Gold Mine occurs in a series of deposits over a sevenkilometre strike length associated with a north-south trending shear zone occurring coincident with a north-south line of topographic ridges. The shear zone is hosted by the Proterozoic aged Vila Nova greenstone belt and occurs near the contact of a large dominantly clastic/ chemical sedimentary package to the southwest and amphibolitic package to the northwest. The greenstone belt has been extensively intruded by younger mafic to felsic intrusive bodies.

From south to north, these deposits have been named TAP A, B, C, and Urucum. TAP D is a separate structure in the west. Higher grades are associated with the more intensely hydrothermally altered iron formations and iron rich carbonate units bounding and intercalated with them.

The texture and mineralogy along the shear zone indicate a high-temperature hydrothermal system. The interaction of favourable rock type, structure, heat, and mineralized solutions has resulted in the deposition of gold bearing, non-refractory sulphides concentrated near or on major lithological contacts. This mineralized zone exhibits intense hydrothermal alteration, particularly silicification a ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The Tucano Gold Mine is a well-established open pit mining operation comprising four open pits, Urucum, Urucum East, TAP AB, and Duckhead.

Open pit mining is currently being undertaken by the mine contractor. In 2022, Great Panther engaged a new open pit mining contractor, Minax: Transportes e Construções Ltda (“Minax”) to initially operate in parallel with the existing contractor that is scheduled to cease activities at the end of year. Mobilization of the new mining contractor has already begun and will continue into mid-2022. The new contractor is a Brazilian company using a new mining fleet, which will contribute to an improvement in overall mine performance. In addition to earthmoving responsibilities for both waste and ore, the contractors are responsible for production drilling, pre-shear drilling, pit dewatering, ore re-handle, crusher feed, maintenance and supervision of their fleet of equipment.

Haulage ramps were designed at 12 m width for 30 m³ class trucks and two-way traffic. For the final four benches in the bottom of the final pit design, the haul road was narrowed to a width of 10 m, suitable for single-lane traffic. The maximum ramp gradient is 10%. All roads required a cap of crushed rock to facilitate all-season use.

Pits were designed with 4 m operating bench heights. For pits with catch benches at 12 m intervals and increased to 6 m wide (previously 4 m) to assist maintenance. It may be possible in some higher elevation a ........


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 required123130146
All production numbers are expressed as metal in doré. ^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202120202019201820172016
Total tonnes mined  ......  Subscription required  ......  Subscription required19,343,355 t20,657 kt21,253,363 t19,590,706 t
Ore tonnes mined  ......  Subscription required  ......  Subscription required1,876,031 t2,441 kt3,017,666 t2,935,037 t
Waste  ......  Subscription required  ......  Subscription required17,438,667 t18,217 kt
Tonnes milled  ......  Subscription required  ......  Subscription required2,520,981 t3,720,125 t3,597,163 t
Stripping / waste ratio  ......  Subscription required  ......  Subscription required9.3 7.5
Daily milling capacity  ......  Subscription required  ......  Subscription required10,000 t
Annual milling capacity  ......  Subscription required  ......  Subscription required3.4 Mt
Daily mining rate  ......  Subscription required  ......  Subscription required62,000 t
Subscription required - Subscription is required.

Reserves at July 31, 2021:
Open pit Mineral Reserves are estimated within designed pits above marginal cut-off grades that vary from 0.40 g/t Au to 0.45 g/t Au for oxide ore and 0.46 g/t Au to 0.50 g/t Au for sulphide ore. Underground Mineral Reserves were estimated using a cut-off grade of 2.4 g/t Au.

CategoryTonnage CommodityGradeContained Metal
Proven 4,084 kt Gold 1.2 g/t 158,000 oz
Probable 9,413 kt Gold 1.73 g/t 524,000 oz
Proven & Probable 13,496 kt Gold 1.57 g/t 682,000 oz
Measured 7,051 kt Gold 1.06 g/t 240,000 oz
Indicated 21,355 kt Gold 1.55 g/t 1,064,000 oz
Measured & Indicated 28,407 kt Gold 1.43 g/t 1,303,000 oz
Inferred 6,782 kt Gold 2.37 g/t 518,000 oz

Commodity Production Costs:

CommodityUnits202220212020201920182017
Cash costs (sold) Gold USD 1,100 / oz  
Cash costs (sold) Gold USD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required†
All-in sustaining costs (AISC) Gold USD 1,073 / oz   1,180 / oz  
All-in sustaining costs (sold) Gold USD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required†
^ Guidance / Forecast.
† Net of By-Product.
Subscription required - Subscription is required.

Operating Costs:

Units202120202019201820172016
OP mining costs ($/t mined) USD 2.752.813.273.774.544.3
OP mining costs ($/t milled) USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Processing costs ($/t milled) USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
G&A ($/t milled) USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Total operating costs ($/t milled) USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Financials:

Units20212020201920172016
Sustaining costs M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 211.1   239.8  
Pre-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
After-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required -101.2   22.4  
Operating Cash Flow M USD -7   18  
Subscription required - Subscription is required



Heavy Mobile Equipment as of July 31, 2021:
HME TypeModelSizeQuantityStatusLeased or
Contractor
Backhoe ....................... Subscription required ....................... Subscription required Existing Leased
....................... Subscription required ....................... Subscription required Proposed Leased
Dozer ....................... Subscription required ....................... Subscription required Existing Leased
Dozer ....................... Subscription required ....................... Subscription required Existing Leased
Dozer ....................... Subscription required ....................... Subscription required Existing Leased
Dozer ....................... Subscription required ....................... Subscription required Existing Leased
Drill ....................... Subscription required ....................... Subscription required Existing Leased
Drill ....................... Subscription required ....................... Subscription required Existing Leased
....................... Subscription required ....................... Subscription required Proposed Leased
....................... Subscription required ....................... Subscription required Proposed Leased
Excavator ....................... Subscription required ....................... Subscription required Existing Leased
Excavator ....................... Subscription required ....................... Subscription required Existing Leased
Excavator ....................... Subscription required ....................... Subscription required Existing Leased
Excavator ....................... Subscription required ....................... Subscription required Existing Leased
Excavator ....................... Subscription required ....................... Subscription required Existing Leased
Grader ....................... Subscription required ....................... Subscription required Existing Leased
Grader ....................... Subscription required ....................... Subscription required Existing Leased
....................... Subscription required ....................... Subscription required Proposed Leased
Loader ....................... Subscription required ....................... Subscription required Existing Leased
Loader ....................... Subscription required ....................... Subscription required Existing Leased
Loader ....................... Subscription required ....................... Subscription required Existing Leased
....................... Subscription required ....................... Subscription required Proposed Leased
Rockbreaker ....................... Subscription required ....................... Subscription required Existing Leased
Rockbreaker ....................... Subscription required Existing Leased
....................... Subscription required Proposed Leased
....................... Subscription required ....................... Subscription required Proposed Leased
....................... Subscription required Proposed Leased
Tipper truck ....................... Subscription required ....................... Subscription required Existing Leased
Truck ....................... Subscription required ....................... Subscription required Existing Leased
Truck ....................... Subscription required ....................... Subscription required Existing Leased
Truck (fuel / lube) ....................... Subscription required Existing Leased
Truck (haul) ....................... Subscription required ....................... Subscription required Existing Leased
Truck (haul) ....................... Subscription required ....................... Subscription required Existing Leased
Truck (haul) ....................... Subscription required ....................... Subscription required Existing Leased
....................... Subscription required ....................... Subscription required Proposed Leased
Truck (water) ....................... Subscription required ....................... Subscription required Existing Leased
Truck (water) 20000 l ....................... Subscription required Existing Leased
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jun 1, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 1, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 1, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required 2021
Subscription required Subscription required Subscription required 2020
Subscription required Subscription required Subscription required 2019
Subscription required Subscription required Subscription required 2018

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
................................... 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 2019
................................... Subscription required 2019
................................... Subscription required 2019
Management Discussion & Analysis 2018
Technical Report 2018
Annual Report 2017
Other 2017
Other 2017
Year-end Mineral Reserves 2017
Subscription required - Subscription is required.

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