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Mexico
El Limon-Guajes (ELG) Mine

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 Location:
17 km NW from Mezcala, Guerrero, Mexico

  Address:
Región Norte del Estado de Guerrero
Cocula
Guerrero, Mexico
40580
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Fax01(736)735-4046
WebsiteWeb
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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 & Underground
Commodities
  • Gold
  • Silver
  • Copper
Mining Method
  • Truck & Shovel / Loader
  • Mechanized Cut & Fill
  • Backfill
Production Start...
Mine Life2024
El Limón Guajes mining complex is comprising the El Limón, Guajes and El Limón Sur open pits, the El Limón Guajes underground mine, the processing plant and the Media Luna deposit, which is an early stage development project.
Latest NewsTorex Gold Delivers Record Annual Production in 2022     January 12, 2023


Owners

Source: p. 10
CompanyInterestOwnership
Torex Gold Resources Inc. 100 % Indirect

Contractors

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Deposit Type

  • Skarn


Summary:

Skarn-style mineralization has developed in limestone and dolomite of the Morelos Formation, limestone and sandstone of the Cuautla Formation, and intercalated sediments of the Mezcala Formation where these rocks have been intruded by Paleocene granodiorite stocks. Skarn-hosted mineralization has developed along the contacts of the intrusive rocks and the enclosing carbonate-rich sedimentary rocks.

Three major deposits and one smaller deposits have been delineated to date: Major deposits include - El Limón (includes El Limón Sur), Guajes, and Media Luna and a smaller deposits Sub-Sill. Gold and silver mineralization at ELG deposits extends over 3,700 m along strike with widths up to 90 m. Copper, gold and silver mineralization at Media Luna covers at least an area of 1.4 km x 1.2 km, with widths ranging from 4 m to greater than 70 m in thickness.

At the Sub-Sill area, several skarn zones have been identified along the contacts of the carbonate rich sediments and marbles of the Cuautla and Morelos formations and sills fingering out from the main granodiorite stock. High grade gold mineralization has been intercepted in all the different skarn horizons. Within the skarn zones individual shoots of mineralization vary in strike length from approximately 50 meters up to 200 meters, with apparent thickness varying from 2 meters to 36 meters.

El Limón
Gold mineralization at El Limón occurs in association with a skarn body that was developed alon ........


Mining Methods

  • Truck & Shovel / Loader
  • Mechanized Cut & Fill
  • Backfill


Summary:

Mining at the ELG Mine Complex is being carried out by two methods, open pit method in the Guajes, El Limón and El Limón Sur pits and by underground for the ELG UG mine currently focused on the Sub Sill zone.

The ELG deposit is being mined principally by open pit mining methods. Underground mining is underway in the ELG UG (Sub-Sill zone), which is located at a depth where open pit mining is not economic due to adverse strip ratio.

The ELG pit slopes are comprised primarily of competent rock. Weaker rock has however been observed in close proximity to the known major faults and near surface topography.

ELG OPEN PIT
Surface haul roads are in general designed 25 m in width (including allowances for a drainage ditch and shoulder safety berm) at gradients up to 10.5% to support two-way uninterrupted haulage by 90-tonne class mining trucks. Because of the steep terrain, construction of mine access and haul roads is challenging. To minimize cut excavations mine roads utilized for pit access only are generally designed 18 m in width at gradients up to 10.5%, which is considered adequate for single lane equipment traffic. Pullouts are required for large vehicle passing.

All pits are designed with 7 m bench heights, which match the vertical dimension of the mineral resource blocks. Pit walls are designed with catchbenches at 14 m intervals (i.e., double benched) or at 21 m intervals (triple benched). In general, based on geotechnical ........


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits2022202120202019201820172016
Gold koz  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required354241280
All production numbers are expressed as metal in doré. ^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202120202019201820172016
Total tonnes mined  ......  Subscription required  ......  Subscription required52,401 kt32,625 kt26,450 kt21,903 kt
Ore tonnes mined  ......  Subscription required  ......  Subscription required5,952 kt4,329 kt3,648 kt2,922 kt
Waste  ......  Subscription required  ......  Subscription required46,449 kt28,296 kt22,802 kt18,981 kt
Stripping / waste ratio  ......  Subscription required  ......  Subscription required8.4 6.7 6.3 6.5
Daily ore mining rate  ......  Subscription required  ......  Subscription required16,307 t12,368 t11,883 t
Tonnes processed  ......  Subscription required  ......  Subscription required4,393 kt4,152 kt428 kt3,376 kt
Daily processing capacity  ......  Subscription required  ......  Subscription required14,000 t13,000 t14,000 t
Daily processing rate  ......  Subscription required  ......  Subscription required12,036 t11,863 t12,084 t9,226 t
Daily mining rate  ......  Subscription required  ......  Subscription required143,564 t93,214 t86,156 t
Annual processing capacity  ......  Subscription required  ......  Subscription required5.04 Mt
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Reserves at December 31, 2021:
El Limón and Guajes Open Pit Mineral Reserves are reported above a diluted cut-off grade of 1.1 g/t Au.
El Limón Guajes Low Grade Mineral Reserves are reported above a diluted cut-off grade of 1.0 g/t Au.
El Limón Underground Mineral Reserves are reported above an in-situ ore cut-off grade of 3.58 g/t Au and an in-situ incremental CoG of 1.04 g/t Au.

ELG Open Pit Mineral Resources are reported above a cut-off grade of 0.9 g/t Au.
ELG Underground Mineral Resources are reported above a cut-off grade of 2.6 g/t Au.

CategoryOreTypeTonnage CommodityGradeContained Metal
Proven & Probable Stockpiles 4,808 kt Gold 1.35 g/t 209 koz
Proven & Probable In-Situ (OP) 10,371 kt Gold 3.11 g/t 1,037 koz
Proven & Probable In-Situ (UG) 2,675 kt Gold 5.74 g/t 494 koz
Proven & Probable Stockpiles 4,808 kt Silver 3.1 g/t 484 koz
Proven & Probable In-Situ (OP) 10,371 kt Silver 4.5 g/t 1,503 koz
Proven & Probable In-Situ (UG) 2,675 kt Silver 5.9 g/t 511 koz
Proven & Probable Stockpiles 4,808 kt Copper 0.07 % 7 M lbs
Proven & Probable In-Situ (OP) 10,371 kt Copper 0.13 % 30 M lbs
Proven & Probable In-Situ (UG) 2,675 kt Copper 0.24 % 14 M lbs
Proven & Probable Stockpiles 4,808 kt Gold Equivalent 1.38 g/t 213 koz
Proven & Probable In-Situ (OP) 10,371 kt Gold Equivalent 3.15 g/t 1,051 koz
Proven & Probable In-Situ (UG) 2,675 kt Gold Equivalent 5.81 g/t 500 koz
Measured & Indicated In-Situ (OP) 16,754 kt Gold 2.89 g/t 1,557 koz
Measured & Indicated In-Situ (UG) 4,551 kt Gold 6.25 g/t 915 koz
Measured & Indicated In-Situ (OP) 16,754 kt Silver 4.8 g/t 2,579 koz
Measured & Indicated In-Situ (UG) 4,551 kt Silver 7.4 g/t 1,088 koz
Measured & Indicated In-Situ (OP) 16,754 kt Copper 0.12 % 45 M lbs
Measured & Indicated In-Situ (UG) 4,551 kt Copper 0.3 % 30 M lbs
Measured & Indicated In-Situ (OP) 16,754 kt Gold Equivalent 2.93 g/t 1,580 koz
Measured & Indicated In-Situ (UG) 4,551 kt Gold Equivalent 6.34 g/t 927 koz
Inferred In-Situ (OP) 812 kt Gold 1.8 g/t 47 koz
Inferred In-Situ (UG) 1,380 kt Gold 4.88 g/t 217 koz
Inferred In-Situ (OP) 812 kt Silver 3.5 g/t 90 koz
Inferred In-Situ (UG) 1,380 kt Silver 6.2 g/t 275 koz
Inferred In-Situ (OP) 812 kt Copper 0.08 % 1 M lbs
Inferred In-Situ (UG) 1,380 kt Copper 0.25 % 8 M lbs
Inferred In-Situ (OP) 812 kt Gold Equivalent 1.83 g/t 48 koz
Inferred In-Situ (UG) 1,380 kt Gold Equivalent 4.95 g/t 220 koz

Commodity Production Costs:

CommodityUnits2022202120202019201820172016
Total cash costs (sold) Gold USD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 646 / oz†   709 / oz†   543 / oz†  
All-in sustaining costs (sold) Gold USD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required†  ......  Subscription required† 964 / oz†   989 / oz†   733 / oz†  
^ Guidance / Forecast.
† Net of By-Product.
Subscription required - Subscription is required.

Operating Costs:

Units20212020
OP mining costs ($/t mined) USD 2.62.17
UG mining costs ($/t mined) USD  ......  Subscription required  ......  Subscription required
Processing costs ($/t milled) USD  ......  Subscription required  ......  Subscription required
G&A ($/t milled) USD  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Financials:

Units202120202019201820172016
Sustaining costs M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Capital expenditures M USD  ......  Subscription required  ......  Subscription required
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 442.9   314.9   312.5  
Operating Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 108.2   54.7   119.9  
After-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 23.2   -12.6  
EBITDA M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Operating Cash Flow M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 226.8  
Subscription required - Subscription is required


Pipelines and Water Supply
Source: Subscription required

- subscription is required.


Heavy Mobile Equipment as of March 16, 2022:
HME TypeModelSizeQuantityLeased or
Contractor
Bolter ....................... Subscription required ....................... Subscription required Leased
Dozer ....................... Subscription required Leased
Drill (blasthole) ....................... Subscription required 140 mm ....................... Subscription required Leased
Drill (blasthole) ....................... Subscription required 140 mm ....................... Subscription required Leased
Excavator ....................... Subscription required Leased
Grader ....................... Subscription required Leased
Jumbo ....................... Subscription required ....................... Subscription required Leased
Jumbo ....................... Subscription required ....................... Subscription required Leased
Loader (FEL) ....................... Subscription required 14 cu. m ....................... Subscription required Leased
Load-Haul-Dump (LHD) ....................... Subscription required ....................... Subscription required Leased
Load-Haul-Dump (LHD) ....................... Subscription required ....................... Subscription required Leased
Scissor Lift ....................... Subscription required ....................... Subscription required Leased
Scissor Lift ....................... Subscription required ....................... Subscription required Leased
Shovel ....................... Subscription required 21 cu. m ....................... Subscription required Leased
Truck (haul) ....................... Subscription required 93 t ....................... Subscription required Leased
Truck (haul) ....................... Subscription required ....................... Subscription required Leased
Truck (haul) ....................... Subscription required ....................... Subscription required Leased
Truck (water) ....................... Subscription required Leased
Subscription required - Subscription is required.

Mine Management:

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

Staff:

EmployeesTotal WorkforceYear
Subscription required 2021
Subscription required 2020
Subscription required 2017
Subscription required 2015

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
Feasibility Study Report 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Information Form 2018
Management Discussion & Analysis 2018
Press Release 2018
Technical Report 2018
Management Discussion & Analysis 2017
Press Release 2017
Corporate Presentation 2016
Management Discussion & Analysis 2016
Press Release 2016
Project Description 2016
Technical Report 2015
Subscription required - Subscription is required.

News:

NewsDate
Torex Gold Delivers Record Annual Production in 2022 January 12, 2023
Torex Gold Reports Impressive Results From Ongoing Drilling at ELG Mine Complex December 5, 2022

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