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Spain
Penouta Mine

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 Location:
1.5 km N from Penouta, Spain

  Address:
Ctra. OU-0901 Km 14, Mina de Penouta, Viana do Bolo (OURENSE)
Penouta
Spain
32558
Phone  ...  Subscription required
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Financials
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Tin
  • Tantalum
  • Niobium
  • Tantalite
Mining Method
  • Strip mining (roll-over)
Production Start...
Mine Life15 years (as of Jan 1, 2020)
Up to the end of 2021, the Penouta Project produced concentrates from tailings.

On January 25, 2022, Strategic Minerals announced that it had commenced open-pit production of tin and tantalum at its Penouta Project using soft rock from the top layer of the open pit, while awaiting an explosive permit to access hard rock contained in lower levels.

The Company, given the volume of its reserves, is evaluating whether to seek additional financing to expand the plant's capacity to 3 million tonnes from 1.1 million tonnes to increase concentrate production.


Owners

Source: p. 6,11
CompanyInterestOwnership
Strategic Minerals Europe Corp. 100 % Indirect
Through its wholly owned subsidiary, Strategic Minerals Spain S.L. (SMS), the Strategic Minerals Europe Corp. (Company) holds mining rights to mining properties, the Penuota Project, located in the northwestern Spanish province of Ourense located in the Galicia Region of northwestern Spain.

Contractors

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Deposit Type

  • Greisen hosted
  • Tailings


Summary:

Penouta mine encompasses two projects that overlap:
-Exploitation Concession in Section B.
-Research Project in Section C.

Section B
Metallic Minerals
During the works carried out over the last mining life period, large amounts of Sn and Ta were deposited in the tailings ponds, due to deficient mineral processing. Because of the economic and technological changes developed in recent years, the exploitation of these minerals results viable.

Section C
The Penouta ore deposit is located in Penouta village, a municipality of Viana do Bolo, Ourense, Galicia in the northeast of Spain. The Penouta deposit mainly consists of a peraluminous, highly evolved rare-metal leucogranite with disseminated mineralization of cassiterite and columbite-tantalite. These ores are especially abundant in the apical zone, where pervasive kaolinitization of the granite and the presence of flat-lying sheets of aplo-pegmatite are not uncommon. These centimetric- to metric-thick structures are nearly horizontal tabular bodies composed of different proportions of the main constituents (e.g., quartz-mica layers, albite layers, and quartz layers) sandwiched rhythmically. A poorly developed Sn-rich greisen occurs in the granite-metamorphic boundary, and quartz veins with locally developed greisen selvages are mostly hosted in metamorphic rocks. Quartz veins form dyke swarms composed of sigmoidal, lenticular and tabular in shape, hyaline to milky quartz with cassi ........


Mining Methods

  • Strip mining (roll-over)


Summary:

The Penouta mine is located in Viana do Bolo, in the province of Orense (Spain).

The Penouta Mine was one of the most important tin mines in Spain. It had several owners and was closed in 1985 without any restoration process.

SMS currently owns an industrial plant for re-processing old tailings derived from historical surface workings, constructed in 2017. Infrastructure at the site relates to this operation, and includes a power and water supply, road access, ancillary facilities (workshop, laboratory, offices etc). Water for the plant is currently sourced from a meteoric accumulation in an old tailings pond.

The strip mining was done in the open-pit and without a selective way. Mineral wastes were deposited in dumps and tailings ponds, without any type of restoration. These residues present concentrations of metals, such as tin, tantalum and niobium, and important quantities of industrial minerals.

Strategic Minerals Spain company obtained all mining and environmental licenses in 2014 for strip mining.

In the short - term the tailing pond will be processed according to the different grade distribution.

The mining works will be carried out by pumping.

In the long - term tailing dumps will be treated.


Crushing and Grinding
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Processing

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Summary:

- subscription is required.


Production:
Up to the end of 2021, the Penouta Project produced concentrates from tailings.

CommodityUnits202120202019
Tin kt  ......  Subscription required  ......  Subscription required  ......  Subscription required
Tantalite t  ......  Subscription required  ......  Subscription required  ......  Subscription required
All production numbers are expressed as concentrate.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202120202019
Tonnes milled  ......  Subscription required  ......  Subscription required451 t
Annual milling capacity  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Reserves at March 5, 2021:
Resources are reported at an open pit cut-off grade of 60 ppm Ta2O5Eq.
Cut-off grades are based on a price of USD178/kg and recoveries of 75% for Ta2O5, and USD24/kg and recoveries of 75% for tin.

CategoryTonnage CommodityGradeContained 
Commodity
Measured 7.6 Mt Tin 600 ppm 4.6 kt
Measured 7.6 Mt Tantalum 85 ppm 0.6 kt
Measured 7.6 Mt Ta2O5 103 ppm
Indicated 68.6 Mt Tin 426 ppm 29.2 kt
Indicated 68.6 Mt Tantalum 72 ppm 4.9 kt
Indicated 68.6 Mt Ta2O5 88 ppm
Measured & Indicated 76.3 Mt Tin 443 ppm 33.8 kt
Measured & Indicated 76.3 Mt Tantalum 73 ppm 5.6 kt
Measured & Indicated 76.3 Mt Ta2O5 89 ppm
Inferred 57 Mt Tin 389 ppm 22 kt
Inferred 57 Mt Tantalum 62 ppm 4 kt
Inferred 57 Mt Ta2O5 76 ppm

Financials:

Units202120202019
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
After-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
EBITDA M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Operating Cash Flow M USD  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required


Water Supply

Water for the plant is currently sourced from a meteoric accumulation in an old tailings pond.


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jun 14, 2022
....................... Subscription required ....................... Subscription required Subscription required Jan 30, 2023
Subscription required - Subscription is required.

Staff:

EmployeesTotal WorkforceYear
Subscription required 2021
Subscription required 2020

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
Other 2018
Corporate Presentation 2017
Subscription required - Subscription is required.

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