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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
Coyhaique
Chile
Phone  ...  Subscription required
Fax(56-67) 223 3795
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  • Overview
  • Owners
  • Geology
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News

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Overview

StatusCare and Maintenance
Mine TypeUnderground
Commodities
  • Zinc
  • Lead
  • Silver
  • Gold
Mining Method
  • Room-and-pillar
Processing
  • Gravity separation
  • Flotation
Mine Life13 years (as of Jan 1, 2016)


Owners

Source:
CompanyInterestOwnership
Laguna Gold Ltd. 100 % Direct

Deposit Type

  • Manto


Summary:

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. The Mina Profunda deposit and the Porvenir deposit are mined by a 'drift and fill' method, due to the steeper dip of these deposits.

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.


Mining Methods

  • Room-and-pillar


Summary:


Crushing and Grinding


Processing

  • Gravity separation
  • Flotation

Source: Subscription required

Recoveries & Grades:

CommodityParameter201620152014
Zinc Recovery Rate, %  ......  Subscription required  ......  Subscription required  ......  Subscription required
Zinc Head Grade, % 6.036.916.9
Lead Recovery Rate, %  ......  Subscription required  ......  Subscription required  ......  Subscription required
Lead Head Grade, % 0.230.640.58
Silver Recovery Rate, %  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver Head Grade, g/t 15.318.120.3
Gold Recovery Rate, %  ......  Subscription required  ......  Subscription required
Gold Head Grade, g/t 0.780.83
Subscription required - Subscription is required.

Production:

CommodityProductUnits201620152014
Zinc Metal in concentrate kt 283837
Zinc Concentrate kt 588274
Lead Metal in concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required
Lead Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required
Silver Metal in concentrate koz  ......  Subscription required  ......  Subscription required  ......  Subscription required
Gold Metal in concentrate koz  ......  Subscription required  ......  Subscription required

Operational Metrics:

Metrics201620152014
Tonnes milled 520 kt583 kt575 kt
Daily processing capacity 1,725 t

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:

Units20152014
Direct operating costs ($/t milled) USD 7683


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jan 29, 2021
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Annual Report 2016
Corporate Presentation 2016
Press Release 2016
Annual Report 2015
Year-end Mineral Reserves 2015
Annual Report 2014
Fact Sheet 2013
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Aerial view:

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