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Spain
San Jose Project

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 Location:
3 km E from Caceres, Spain

  Project Contacts:
Extremadura Mining S.L. Calle Juan de la Cierva n 18
Cáceres
Spain
10004
Phone  ...  Subscription required
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  • Overview
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Overview

StagePermitting
Mine TypeUnderground
Commodities
  • Lithium
Mining Method
  • Transverse open stoping
  • Paste backfill
Mine Life26 years (as of Jan 1, 2021)
San José is a fully integrated lithium chemicals conversion project utilising the EU’s 2nd largest hard rock lithium resource as feedstock on site.


Owners

Source: p. 8,6
CompanyInterestOwnership
Valoriza Minería 25 % Indirect
Infinity Lithium Corporation Ltd 75 % Indirect
Ownership Tree
Infinity is in Joint Venture with Spanish Company Valoriza Mineria.

Technologia Extremeña Del Lito S.L. (‘TEL’), the JV Company, holds granted and application tenure over the San José Project.

Infinity (75%) holds an option to acquire the remaining 25% interest in TEL

Contractors

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Deposit Type

  • Breccia pipe / Stockwork
  • Vein / narrow vein
  • Replacement


Summary:

San José is a zinnwaldite mica replacement deposit hosted by pelitic shales of the Central Iberian Zone, with lithium mineralisation occurring predominantly within the slates and to a lesser degree in the quartz carbonate veins which have been historically mined for tin. The rock which hosts mineralisation at San José is comprised roughly in equal parts mica, quartz and tourmaline.

Mineralisation within quartzite is typically low-grade. The pervasive nature of mineralisation (broad, relatively homogeneous distribution) is likely derived from a deep-seated intrusive source. Mineralisation is open at depth and has not been closed off by drilling.

The San Jose Deposit was formed by an amalgamation of quartz and quartzpegmatite veins, which formed a stockwork hosted by metasediments. The mineralisation is disseminated in both the host as lithium micas and the veins hosting tin as cassiterite, lithium as amblygonite-montebrasite and minor tungsten as wolframite. The lithium is found mainly in the micas of muscovite-fengite type in the host rock and in lesser proportion in the amblygonite-montebrasite of the veins.


Mining Methods

  • Transverse open stoping
  • Paste backfill


Summary:

Infinity engaged Mining Sense to produce an underground mining plan to support a 2 million tonnes per annum (Mtpa) processing plant located on site. To do this, an underground mine will be developed with the portal entrance located adjacent to the proposed process plant location in PIAV. This decline will extend approximately 1,300m and drive from the portal WNW declining to approximately 60m below ground before it encounters the resource.

Mining Sense selected transversal long hole stoping with paste backfill as the ideal mining method for resource extraction. This method, which allows mining in primary and secondary stopes, will enable maximum extraction of the mineralisation and maximum storage of tailings in the voids left through underground paste-fill.

The mine will ramp-up to full production over a 2-year period from start of production and then operate at 2.0Mtpa production for 22 years before it reduces based on current available resources to cease production after 26 years. The mine plan delivers 47.7Mt for a contained 145.7kt of LCE to the processing plant.

Mining will be conducted utilising twin boom jumbo excavators with mined material mucked and transported in Load Haul Dump (‘LHD’) to stockpiles. Front end loaders will rehandle mined material into articulated trucks which will deliver it to the ROM.


Crushing and Grinding
Source: Subscription required


Processing

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Summary:

- subscription is required.


Projected Production:

CommodityUnitsAvg. Annual
Lithium t 19,500
All production numbers are expressed as hydroxide.

Operational Metrics:

Metrics
Ore tonnes mined, LOM  ......  Subscription required
Annual production capacity  ......  Subscription required
Annual processing capacity  ......  Subscription required
Annual ore mining rate  ......  Subscription required
* According to 2021 study.
Subscription required - Subscription is required.

Reserves at May 23, 2018:
Cut-off grade at 2,500ppm lithium.

CategoryTonnage CommodityGrade
Indicated 36.8 Mt Lithium 0.35 %
Indicated 36.8 Mt Li2O 0.72 %
Inferred 28.64 Mt Lithium 0.34 %
Inferred 28.64 Mt Li2O 0.75 %
Total Resource 65.44 Mt Lithium 0.34 %
Total Resource 65.44 Mt Li2O 0.74 %

Commodity Production Costs:

CommodityUnitsAverage
C1 cash costs LiOH USD  ......  Subscription required&nbs
Assumed price LiOH USD  ......  Subscription required&nbs
* According to 2021 study / presentation.
Subscription required - Subscription is required.

2021 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Pre-Production capital costs $M USD  ......  Subscription required
UG OpEx $M USD  ......  Subscription required
Processing OpEx $M USD 1,930
Backfill costs $M USD  ......  Subscription required
Gross revenue (LOM) $M USD  ......  Subscription required
Operating margin (LOM) $M USD  ......  Subscription required
Pre-tax NPV @ 10% $M USD  ......  Subscription required
Pre-tax IRR, %  ......  Subscription required
Pre-tax payback period, years  ......  Subscription required
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Proposed Heavy Mobile Equipment as of October 14, 2021:
HME Type
Drill jumbo (two boom)
....................... Subscription required
....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNamePhoneProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Oct 14, 2021
....................... Subscription required ....................... Subscription required Subscription required Nov 15, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Nov 15, 2022
Subscription required - Subscription is required.

Staff:

EmployeesYear
Subscription required 2021

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Other 2018
Press Release 2018
Year-end Mineral Reserves 2017
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