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Spain
Riotinto Mine

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 Location:
62 km NW from Sevilla, Spain
  Address:
La Dehesa s/n
Minas de Riotinto
Spain
21660
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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
Commodities
  • Copper
  • Silver
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life12 years (as of Jan 1, 2021)
Atalaya Mining Plc (the Company) continues to advance construction of the E-LIX Phase I plant. The plant is expected to be ready for commissioning towards the end of H1 2023.

Once operational, the E-LIX plant is expected to produce high purity copper or zinc metals on site, allowing the Company to potentially achieve higher metal recoveries from complex polymetallic ores, lower transportation and concentrate treatment charges and a reduced carbon footprint.

Owners

Source: p. 28, 115
CompanyInterestOwnership
Atalaya Mining Plc. 100 % Indirect
Atalaya Riotionto Minera, S.L.U. (operator) 100 % Direct
The main operating subsidiary of Atalaya Mining Plc is the 100% owned Atalaya Riotinto Minera, S.L.U. which owns and operates Proyecto Riotinto.

Contractors

Subscription required - Subscription is required.

Deposit Type

  • VMS
  • Breccia pipe / Stockwork

Summary:

Riotinto is a typical Volcanogenic Massive Sulfide (VMS) deposit, which are formed in extensional tectonic settings of oceanic seafloor, including spreading ridges subductions zones and arc environments.

According to genetic, rock association and geodynamic setting, the Riotinto volcanic-hosted pyrite-chalcopyrite mineralization is classified as felsic siliciclastic of Kuroko type. It occurred as lenses of polymetallic massive sulfide that took place at the sea floor in a submarine volcanic environment during the earlier Carboniferous, some 350 million years.

As with most significant VMS mining districts, the IPB is defined by deposit clusters formed within ocean rifts with volcanic centers. The clustering is attributed to a common heat source that caused large-scale sub-seafloor fluid convection systems.

As with most VMS deposits, Riotinto has two morphological and genetic components:
• A mound-shaped to tabular strata bound body composed mainly of massive sulfides.
• An underlying zone with development of a stockwork system of irregular veins filled by quartz and disseminated sulfides that represent the pipes of the volcanic feeders.

Furthermore, Riotinto as well as other VMS deposits, is characterized by extensive zones of hydrothermal alteration as a result of subvolcanic intrusions and fluid convection systems, which define zones of discordant alteration in the immediate footwall and hanging wall of the deposit.< ........

Mining Methods

  • Truck & Shovel / Loader

Summary:

Mining has been conducted in the Riotinto area episodically since Roman times, and possibly earlier. The Riotinto Company (a British firm) gained mineral rights and surface ownership in 1874 and operated Riotinto Minera until it began divesting its interests in 1954. Operations in the Cerro Colorado open pit, which is the foundation of the Riotinto Project, began in 1968. The Riotinto mine properties were under the ownership of a local cooperative by the end of the 1990s. Mining activities ended at Cerro Colorado and other smaller operations in 2001 due to deteriorating economic conditions. Mining operations at the Riotinto Project site restarted in June 2015. The Cerro Colorado pit is completely open and in good condition.

Continued exploitation of the Cerro Colorado deposit uses conventional, open pit mining methods. Mining benches are on 10-m vertical intervals. Contractors’ small- to medium-scale mining equipment is used to execute the development plan, including: rock drills capable of drilling 102- to 127-mm-diameter blastholes, hydraulic excavators with bucket capacities of 6 to 14 m3 , off-highway trucks with 55- to 91-t payload capacities, and suitably sized support equipment.

Atalaya Mining is presently using mining contractors for all excavation work, including drilling and blasting, through the joint venture UTE Riotinto. This joint venture includes the companies S&L, which handles earth moving, and Insersa, which is responsible for drilling ........

Crushing and Grinding
Source: Subscription required

- subscription is required.

Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.

^ Guidance / Forecast.

Production:

CommodityProductUnits2022202120202019201820172016
Copper Metal in concentrate t  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required42,11437,16426,179
Copper Payable metal t  ......  Subscription required  ......  Subscription required  ......  Subscription required40,30635,50425,353
Copper Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required181166122
^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202220212020201920182017
Ore tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required10,366,903 t10.8 Mt9.3 Mt
Waste  ......  Subscription required  ......  Subscription required  ......  Subscription required17.9 Mt17.7 Mt
Tonnes milled  ......  Subscription required  ......  Subscription required  ......  Subscription required10,453,116 t9.8 Mt8.8 Mt
Annual milling capacity  ......  Subscription required  ......  Subscription required  ......  Subscription required15 Mt9.5 Mt9.5 Mt
^ Guidance / Forecast.
Subscription required - Subscription is required.

Reserves at December 31, 2020:
Proven and Probable mineral reserves are 186 Mt at 0.38% Cu for contained copper of approximately 702,000 tonnes (using a 0.16% Cu cut-off).

Mineral Resources: 0.14% Cu cut-off.

CategoryTonnage CommodityGradeContained Metal
Proven 138,929 kt Copper 0.377 %
Probable 46,791 kt Copper 0.382 %
Proven & Probable 185,720 kt Copper 0.378 % 702,022 kt
Measured & Indicated 200.7 Mt Copper 0.37 % 0.7 Mt
Inferred 4.4 Mt Copper 0.4 %
Total Resource 205.1 Mt Copper 0.37 % 0.8 Mt

Commodity Production Costs:

CommodityUnits202220212020201920182017
Cash costs Copper USD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 1.94 / lb†   1.91 / lb†  
All-in sustaining costs (AISC) Copper USD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 2.26 / lb†   2.3 / lb†  
^ Guidance / Forecast.
† Net of By-Product.
Subscription required - Subscription is required.

Financials:

Units202120202019201820172016
Sustaining costs M EUR  ......  Subscription required  ......  Subscription required  ......  Subscription required 8   7.4  
Revenue M EUR  ......  Subscription required  ......  Subscription required  ......  Subscription required 189.5   160.5   98.8  
Operating Income M EUR  ......  Subscription required  ......  Subscription required  ......  Subscription required 40   24.7  
Gross profit M EUR  ......  Subscription required  ......  Subscription required  ......  Subscription required 47.3   29.2  
Pre-tax Income M EUR  ......  Subscription required  ......  Subscription required  ......  Subscription required 41.5   21.9  
After-tax Income M EUR  ......  Subscription required  ......  Subscription required  ......  Subscription required 34.4   18.2  
EBITDA M EUR  ......  Subscription required  ......  Subscription required  ......  Subscription required 53.5   41.3   15.4  
Operating Cash Flow M EUR  ......  Subscription required  ......  Subscription required  ......  Subscription required 55.3   30.5  
Subscription required - Subscription is required

Heavy Mobile Equipment:
HME TypeModelSizeQuantityStatusLeased or
Contractor		Ref. Date
Backhoe ....................... Subscription required ....................... Subscription required Existing Leased Dec 31, 2017
Backhoe ....................... Subscription required ....................... Subscription required Existing Leased Dec 31, 2017
Compactor ....................... Subscription required ....................... Subscription required Existing Leased Dec 31, 2017
Dozer ....................... Subscription required ....................... Subscription required Existing Leased Dec 31, 2017
Dozer ....................... Subscription required ....................... Subscription required Existing Leased Dec 31, 2017
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Leased Dec 31, 2017
Drill ....................... Subscription required ....................... Subscription required Existing Leased Mar 3, 2020
Drill ....................... Subscription required 127 mm ....................... Subscription required Existing Leased Dec 31, 2017
Drill ....................... Subscription required 127 mm ....................... Subscription required Existing Leased Mar 3, 2020
Excavator ....................... Subscription required 14 cu. m ....................... Subscription required Existing Leased Dec 31, 2017
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Leased Dec 31, 2017
Excavator ....................... Subscription required 6 cu. m ....................... Subscription required Existing Leased Dec 31, 2017
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Leased Dec 31, 2017
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Leased Dec 31, 2017
Excavator ....................... Subscription required 7.5 cu. m ....................... Subscription required Existing Leased Dec 31, 2017
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Leased Dec 31, 2017
Grader ....................... Subscription required ....................... Subscription required Existing Leased Dec 31, 2017
Truck (dump) ....................... Subscription required ....................... Subscription required Existing Leased Dec 31, 2017
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Leased Dec 31, 2017
Truck (dump) ....................... Subscription required ....................... Subscription required Existing Leased Dec 31, 2017
Truck (dump) ....................... Subscription required ....................... Subscription required Existing Leased Dec 31, 2017
Truck (haul) ....................... Subscription required 91 t ....................... Subscription required Existing Leased Dec 31, 2017
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Leased Dec 31, 2017
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Leased Dec 31, 2017
Truck (haul) ....................... Subscription required 55 t ....................... Subscription required Existing Leased Dec 31, 2017
Truck (water) 90 t ....................... Subscription required Existing Leased Dec 31, 2017
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Leased Dec 31, 2017
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 14, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 14, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 14, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 14, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 16, 2022
....................... Subscription required ....................... Subscription required Subscription required Sep 14, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required 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
Annual Result 2022
Corporate Presentation 2022
Sustainability Report 2022
................................... 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
Quarterly Report 2018
Technical Report 2018
Annual Report 2017
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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