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Chile
El Toqui Mine

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 Location:
22 km NE from Villa Maniguales, Chile
  Address:
Alto Mañihuales S/N, XI Región
Coyhaique
Chile
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News
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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Zinc
  • Lead
  • Silver
  • Gold
Mining Method
  • Room-and-pillar
Production Start...
Mine Life13.5 years (as of Jan 1, 2016)
El Toqui mine was discovered in the early 1960s, but the mine only came online in 1983. Subsequently, in August 2011, the Belgian company Nyrstar completed the acquisition of Breakwater Resources, the former owner of the mining company in Chile, through of its subsidiary Sociedad Contractual Minera El Toqui. It operated the mine until 2019, when Australian operator Laguna Gold filed for voluntary bankruptcy, selling the operation to Sociedad Minera Pacífico del Sur, which began operations in July 2019.

Minera Pacífico del Sur currently extracts mainly zinc and lead concentrate from its mines, and to a lesser extent silver and gold.

Owners

Source: p. 1
CompanyInterestOwnership
Sociedad Minera Pacifico del Sur SpA 100 % Direct
In early 2019, the Australian parent company Laguna Gold, the owner of El Toqui, filed for bankruptcy. In August of that year, Minera Pacífico del Sur took control of Minera El Toqui.

Contractors

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Deposit Type

  • Manto
  • Skarn

Summary:

The El Toqui deposits consist of skarn-type stratified deposits and manto-type mineralized bodies.

The Toqui deposits were discovered in the early 1970's. The three original deposits at Toqui, Doña Rosa, Mallín-Monica and San Antonio adjoin each other but are separated by faults. The Toqui property encompasses an area of approximately 1,800 square kilometres. This area includes the Doña Rosa zinc-gold mine, Rosa West zinc-lead mine, the San Antonio East and Mallín-Mónica and Mallín South zinc mines, the Aserradero and Mina Profunda gold-zinc mines.

Zinc/gold mineralisation at Toqui occurs as manto deposits hosted by an 8 metre to 12 metre thick bed of fossiliferous limestone, known as the Main Manto unit. The Toqui deposits all dip gently to the south, and most deposits are amenable to room and pillar mining, with 11 metre rooms around 8 metre pillars.

Mining is normally carried out in a single horizon from flat lying mineralisation varying in thickness from four to 12 metres, except where localised faulting may offset the manto into smaller stopes accessed via mine ramps. In Estatuas, there is a lower secondary manto which has economic zinc grades and is being mined.

The Toqui district contains a series of skarn and replacement orebodies within a 24 km2 area. Oldest rocks include Jurassic andesite and Cretaceous volcanic sandstone and tuff of the Toqui Formation, with a basal 5- to 30-m-thick limestone unit, rich in oyster fossil ........

Mining Methods

  • Room-and-pillar

Summary:

The El Toqui mine has been in operation since 1983. From its beginning the explotation method by excellence is Room and Pillar, due to stratified skarn type deposit and flatly bedded mineralized body which has thickness ranging from 5 [m] to 15 [m] tipically.

Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.

Production:

CommodityProductUnits20212020201820172016
Zinc Metal in concentrate M lbs  ......  Subscription required  ......  Subscription required464463
Lead Metal in concentrate M lbs  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
Zinc Concentrate kt 58
Lead Concentrate kt  ......  Subscription required
Silver Metal in concentrate koz  ......  Subscription required
Gold Metal in concentrate koz  ......  Subscription required
Subscription required - Subscription is required.

Operational Metrics:

Metrics20212020201820172016
Daily processing capacity  ......  Subscription required  ......  Subscription required1,315 t1,157 t
Tonnes milled  ......  Subscription required  ......  Subscription required537,548 t520 kt
Annual production capacity  ......  Subscription required  ......  Subscription required2,000 t of lead metal in concentrate
Annual production capacity  ......  Subscription required  ......  Subscription required38,000 t of zinc metal in concentrate
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Reserves at December 31, 2017:

CategoryTonnage CommodityGrade
Proven 0.15 Mt Zinc 5.71 %
Proven 0.15 Mt Lead 0.13 %
Proven 0.15 Mt Silver 17.88 g/t
Proven 0.15 Mt Gold 0.5 g/t
Probable 1.35 Mt Zinc 5.74 %
Probable 1.35 Mt Lead 0.22 %
Probable 1.35 Mt Silver 15.51 g/t
Probable 1.35 Mt Gold 0.58 g/t
Proven & Probable 1.51 Mt Zinc 5.77 %
Proven & Probable 1.51 Mt Lead 0.2 %
Proven & Probable 1.51 Mt Silver 15.88 g/t
Proven & Probable 1.51 Mt Gold 0.58 g/t
Measured 0.76 Mt Zinc 6.72 %
Measured 0.76 Mt Lead 0.16 %
Measured 0.76 Mt Silver 13.48 g/t
Measured 0.76 Mt Gold 0.52 g/t
Indicated 4.89 Mt Zinc 5.43 %
Indicated 4.89 Mt Lead 0.33 %
Indicated 4.89 Mt Silver 15.98 g/t
Indicated 4.89 Mt Gold 0.75 g/t
Measured & Indicated 5.66 Mt Zinc 5.61 %
Measured & Indicated 5.66 Mt Lead 0.31 %
Measured & Indicated 5.66 Mt Silver 15.64 g/t
Measured & Indicated 5.66 Mt Gold 0.72 g/t
Inferred 2.79 Mt Zinc 4.87 %
Inferred 2.79 Mt Lead 0.47 %
Inferred 2.79 Mt Silver 19.63 g/t
Inferred 2.79 Mt Gold 1.26 g/t

Operating Costs:

Units2015
Direct operating costs ($/t milled) USD 76

Heavy Mobile Equipment as of March 5, 2019:
HME TypeModelSize
Drill jumbo (two boom) ....................... Subscription required
Drill jumbo (two boom) ....................... Subscription required
Scoop Tram ....................... Subscription required
Scoop Tram ....................... Subscription required 14 t
Truck (underground) ....................... Subscription required 50 t
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Mine Management:

Job TitleNamePhoneProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Nov 27, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 27, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required Nov 27, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 27, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required 2022
Subscription required Subscription required Subscription required 2021
Subscription required Subscription required Subscription required 2020

Corporate Filings & Presentations:

DocumentYear
Other 2022
Other 2022
Other 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
Other 2018
Annual Report 2016
Corporate Presentation 2016
Other 2016
Press Release 2016
Annual Report 2015
Year-end Mineral Reserves 2015
Annual Report 2014
Fact Sheet 2013
Other 2012
Other 2010
Corporate Presentation 2009
Corporate Presentation 2007
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