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Czech Republic
Chvaletice Project

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 Location:
72 km E from Prague, Czech Republic

  Project Contacts:
709 – 700 West Pender Street
Vancouver
British Columbia, Canada
V6C 1G8
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StagePermitting
Mine TypeTailings
Commodities
  • Manganese
Mining Method
  • Truck & Shovel / Loader
Mine Life25 years (as of Jan 1, 2022)
Chvaletice Manganese Project entails re-processing a significant manganese deposit contained in waste (tailings) from a decommissioned mine that operated between 1951 and 1975.

Chvaletice is not a mining project. It is a unique and innovative waste recycling initiative that avoids the negative impacts of traditional hard rock mining. As the project recycles historic mine tailings, it will clean up the contaminated site and eliminate a longstanding source of water pollution.

The commissioning of the Chvaletice demonstration plant commenced on a module-by-module basis in early November 2022. The demonstration plant is intended to produce the equivalent of 32kg per day of HPEMM or 100kg per day of HPMSM, and will deliver high-purity manganese products to interested prospective customers for testing and qualification. Once commissioned, deliveries to customers of on-spec HPEMM and HPMSM products samples are expected early in the second quarter of 2023.
Latest NewsEuro Manganese Reports Third Fiscal Quarter 2023 Financial Results and Project Developments     August 14, 2023


Owners

Source: p. 31,69
CompanyInterestOwnership
Euro Manganese Inc. 100 % Indirect
Euro Manganese Inc.’s (EMN) principal focus is advancing the evaluation and development of the Chvaletice Manganese Project, in which it holds a 100% interest through its Czech subsidiary, Mangan Chvaletice s.r.o.

Contractors

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Deposit Type

  • Tailings


Summary:

Due to grinding and flotation processes, none of the original textures that would have characterized the in situ rocks will have been preserved in the tailings material.

The mineralization found in tailings at the CMP has been deposited by manmade processes following grinding and flotation processes of black pyritic shale and is therefore not characteristic of a traditional manganese deposits. The material can be physically characterized as a compacted soil, with varying degrees of particle sizes from clay to coarse sand.

There is sorting of the flotation waste by grain size and weight, resulting from the sedimentation from the edge to the center of the tailings deposit.

Subsequently, three zones of grain sizes in the tailing pond can result with:
- An outer zone of fine-grained sand and silty sand
- A central zone of alternating sandy laminae with the outer and inner zone types
- An inner zone comprised of silt to slightly clayey silt (finest material of all zones).

This zoning is typical for slurry tailings and results from sedimentation of deposited slurries from fluctuation of water levels during decantation operations (removal of water) within the central zone and a gentle slope (1.5%), leaving little to no water in the outer zone.

The Chvaletice bedrock deposits of iron and manganese mineralization constitutes one horizon in the metasedimentary stratigraphy with variable proportions of carbonate and ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The CMP Mineral Reserves, consist of three tailings cells. The tailings cells will be mined by conventional open pit mining methods that will have minimal disturbance to the project site’s surroundings, promoting both a safe and environmentally favourable project. Tetra Tech has designed a mining operation to produce 3,000 t/day of tailings feed from the Chvaletice deposit over a life of 25 years. Tailings will be extracted by truck and shovel equipment from each cell using benches in parallel mining cuts. The layout of both the site and tailings cells allow for a mining operation which is flexible in terms of ramp placement on the cells throughout the life of mine.

Bench Design
Based on the results of the geotechnical analysis, each of the tailings cells will be mined by an excavator loading haul trucks on 3-m high benches with a 12-m bench width and a bench face angle of 45 degrees. A haul ramp to the crest of each cell will be developed for access for the excavator to mine the benches from the top to the bottom. The bench height of 3 m was chosen as a conservative bench height that could be achieved in all areas of the cells with depressurization of the tailings. The 12-m bench width with the 45-degree face angle will allow slumping of the saturated tailings on the working face without causing a multi-bench failure.

Tailings Extraction Sequencing
The primary drivers of the production schedule are mining the tailings to meet the plant produ ........


Crushing and Grinding


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityProductUnitsAvg. AnnualLOM
Manganese Electrolytic metal Mt 0.0150.4
Manganese Payable metal Mt 0.051.2
Manganese sulfate monohydrate Powder kt  ......  Subscription required  ......  Subscription required

Operational Metrics:

Metrics
Annual production capacity  ......  Subscription required
Annual processing rate  ......  Subscription required
Tonnes processed, LOM  ......  Subscription required
* According to 2022 study.
Subscription required - Subscription is required.

Reserves at July 14, 2022:

CategoryTonnage CommodityGrade
Proven 26,217 kt Manganese 7.36 %
Probable 427 kt Manganese 7.82 %
Proven & Probable 26,644 kt Manganese 7.41 %
Measured 26,496 kt Manganese 7.32 %
Indicated 464 kt Manganese 7.85 %
Measured & Indicated 26,960 kt Manganese 7.33 %

Commodity Production Costs:

CommodityUnitsAverage
Cash costs Manganese Equivalent USD  ......  Subscription required
Total cash costs Manganese Equivalent USD  ......  Subscription required
Assumed price Manganese sulfate monohydrate USD  ......  Subscription required
Assumed price Manganese USD  ......  Subscription required
* According to 2022 study / presentation.
Subscription required - Subscription is required.

Operating Costs:

Units2022
OP mining costs ($/t milled) USD 2.44 *  
Processing costs ($/t milled) USD  ......  Subscription required
G&A ($/t milled) USD  ......  Subscription required
Total operating costs ($/t milled) USD  ......  Subscription required
* According to 2022 study.
Subscription required - Subscription is required.

2022 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Initial CapEx $M USD  ......  Subscription required
Sustaining CapEx $M USD  ......  Subscription required
Total CapEx $M USD  ......  Subscription required
OP OpEx $M USD  ......  Subscription required
Processing OpEx $M USD 3,815
Site services costs $M USD 641.6
G&A costs $M USD 367
Total OpEx $M USD  ......  Subscription required
Total Taxes $M USD  ......  Subscription required
Royalty payments $M USD  ......  Subscription required
Gross revenue (LOM) $M USD  ......  Subscription required
Net revenue (LOM) $M USD  ......  Subscription required
Operating margin, %  ......  Subscription required
Pre-tax Cash Flow (LOM) $M USD  ......  Subscription required
After-tax Cash Flow (LOM) $M USD  ......  Subscription required
Pre-tax NPV @ 8% $M USD  ......  Subscription required
After-tax NPV @ 10% $M USD  ......  Subscription required
After-tax NPV @ 8% $M USD  ......  Subscription required
Pre-tax IRR, %  ......  Subscription required
After-tax IRR, %  ......  Subscription required
Pre-tax payback period, years  ......  Subscription required
After-tax payback period, years  ......  Subscription required
Subscription required - Subscription is required.

Pipelines and Water Supply
Source: Subscription required

- subscription is required.


Proposed Heavy Mobile Equipment as of July 27, 2022:
HME TypeModelSizeQuantity
Compactor ....................... Subscription required ....................... Subscription required
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Subscription required - Subscription is required.

Mine Management:

Job TitleNamePhoneEmailProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Mar 29, 2023
....................... Subscription required ....................... Subscription required Subscription required Jul 27, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 27, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Mar 29, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 29, 2023
Subscription required - Subscription is required.

Staff:

EmployeesYear
Subscription required 2022

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2023
Quarterly Report 2023
Feasibility Study Report 2022
Press Release 2022
................................... Subscription required 2019
................................... Subscription required 2019
Subscription required - Subscription is required.

News:

NewsDate
Euro Manganese Reports Third Fiscal Quarter 2023 Financial Results and Project Developments August 14, 2023

Subscription required - Subscription is required.

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