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Argentina
Lomada de Leiva Mine

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 Location:
60 km S from Perito Moreno, Argentina

  Address:
Av. Del Libertador 498 Piso 26
Buenos Aires
Argentina
C1001ABR
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Gold
Mining Method
  • Truck & Shovel / Loader
Processing
  • Heap leach
  • Carbon in column (CIC)
In February 2019, the Company reviewed the production profile for Lomada. Given the lower than anticipated recoveries, the Company made the decision to close the Lomada project.
Following receipt of a preliminary permit on October 7, 2020, the Company restarted mining operations at Lomada de Leiva in November 2020, which had been previously closed since in February 2019.
Latest NewsPatagonia Gold 2021 financial results     April 28, 2022


Owners

Source: p. 31
CompanyInterestOwnership
Patagonia Gold Plc. 95.3 % Indirect
Patagonia Gold S.A (operator) 100 % Direct

Deposit Type

  • Breccia pipe / Stockwork
  • Epithermal


Summary:

The Lomada gold deposit, located south-southeast of the community of Perito Moreno. in the western part of the Deseado Massif, is a classic, low-sulfidation epithermal mineral system. Precious metal mineralization at Lomada is hosted in a NNE-striking, steeply ESE-dipping structure (the “Main Breccia”).

-Low sulphidation, epithermal gold system hosted in a NNEstriking, steeply ESE-dipping structure (Main Breccia)
- Previous mining occurred from a portion of the Main Breccia over a 600 m strike, up to 20 m width and more than 150 m in depth


Mining Methods

  • Truck & Shovel / Loader


Summary:

Lomada is located in the La Paloma property block approximately 120 kilometers to the north of the El Tranquilo property block in the Santa Cruz province of Argentina.

The Lomada mine was closed in May 2016 while production from the ongoing leaching continues, though at a reduced output. Given that the mineralized material from the Lomada open pit mine was originally placed on the heap leach pad without crushing


Crushing and Grinding


Processing

  • Heap leach
  • Carbon in column (CIC)

Source: Subscription required

Summary:

A 50,000 tonne trial heap leach operation used feed from surface mining onsite and tested according to specification during 2011. This trial pad has since been expanded to 135,000 tonnes and irrigation was completed during 2012. Permission was received to expand the pad further to 315,000 tonnes in conjunction with the construction of the fully permitted main heap leach pad.

Construction of the first stage of the Lomada main heap leach pad is well advanced and on target for commencement of operations in late second quarter of 2013. The total pad area has been stripped of topsoil, which is being stacked for later rehabilitation purposes. Earthworks for infrastructure, holding and containment dams are under way. The plastic membrane and irrigation pipework for the expansion area have been delivered. The textured liner for the main pad, plus associated pumps and minor steel piping, are scheduled for installation in the second quarter of 2013. The gold-laden, o ........


Production:

CommodityUnits20202019
Gold oz  ......  Subscription required  ......  Subscription required
All production numbers are expressed as metal in doré.
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Reserves at December 31, 2017:
In 2020 the Company does not have a current Mineral Reserve estimate for the Lomada mine though the recommencement of mining and gold recovery is expected to come from an extension of the mineralized structure modeled in connection with a 2007 JORC compliant technical report, there are risks associated with commencing mining without current Mineral Reserves.

CategoryTonnage CommodityGradeContained Metal
Indicated 4,000,465 t Gold 0.48 g/t 61,919 oz
Inferred 3,412,270 t Gold 0.672 g/t 73,726 oz

Commodity Production Costs:

CommodityUnits20202019
Cash costs Gold Equivalent USD  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Financials:

Units20202019
Revenue M USD  ......  Subscription required  ......  Subscription required
Gross profit M USD  ......  Subscription required  ......  Subscription required
Pre-tax Income M USD  ......  Subscription required  ......  Subscription required
After-tax Income M USD  ......  Subscription required  ......  Subscription required
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Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Aug 6, 2021
....................... Subscription required ....................... Subscription required Subscription required Aug 6, 2021
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
Annual Report 2017
Annual Report 2013
Annual Report 2012
Subscription required - Subscription is required.

News:

NewsDate
Patagonia Gold 2021 financial results April 28, 2022
Patagonia Gold receives preliminary Environmental Permit for Gold Production at Lomada October 8, 2020

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