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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
...
01(736)735-4046
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Overview
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Overview
Stage
Production
Mine Type
Open Pit & Underground
Commodities
Gold
Silver
Copper
Mining Method
Truck & Shovel / Loader
Mechanized Cut & Fill
Backfill
Production Start
...
Mine Life
2024
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 News
Torex Gold Delivers Record Annual Production in 2022
January 12, 2023
Owners
Source:
p. 10
Company
Interest
Ownership
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
Source:
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Processing
Flow Sheet:
Summary:
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Production
:
Commodity
Units
2022
2021
2020
2019
2018
2017
2016
Gold
koz
......
^
......
......
......
354
241
280
All production numbers are expressed as metal in doré.
^ Guidance / Forecast.
- Subscription is required.
Operational Metrics:
Metrics
2021
2020
2019
2018
2017
2016
Total tonnes mined
......
......
52,401 kt
32,625 kt
26,450 kt
21,903 kt
Ore tonnes mined
......
......
5,952 kt
4,329 kt
3,648 kt
2,922 kt
Waste
......
......
46,449 kt
28,296 kt
22,802 kt
18,981 kt
Stripping / waste ratio
......
......
8.4
6.7
6.3
6.5
Daily ore mining rate
......
......
16,307 t
12,368 t
11,883 t
Tonnes processed
......
......
4,393 kt
4,152 kt
428 kt
3,376 kt
Daily processing capacity
......
......
14,000 t
13,000 t
14,000 t
Daily processing rate
......
......
12,036 t
11,863 t
12,084 t
9,226 t
Daily mining rate
......
......
143,564 t
93,214 t
86,156 t
Annual processing capacity
......
......
5.04 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.
Category
OreType
Tonnage
Commodity
Grade
Contained 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:
Commodity
Units
2022
2021
2020
2019
2018
2017
2016
Total cash costs (sold)
Gold
USD
......
^
†
......
†
......
†
......
†
646 / oz
†
709 / oz
†
543 / oz
†
All-in sustaining costs (sold)
Gold
USD
......
^
†
......
†
......
†
......
†
964 / oz
†
989 / oz
†
733 / oz
†
^ Guidance / Forecast.
†
Net of By-Product.
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Operating Costs:
Units
2021
2020
OP mining costs ($/t mined)
USD
2.6
2.17
UG mining costs ($/t mined)
USD
......
......
Processing costs ($/t milled)
USD
......
......
G&A ($/t milled)
USD
......
......
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Financials:
Units
2021
2020
2019
2018
2017
2016
Sustaining costs
M USD
......
......
......
Capital expenditures
M USD
......
......
Revenue
M USD
......
......
......
442.9
314.9
312.5
Operating Income
M USD
......
......
......
108.2
54.7
119.9
After-tax Income
M USD
......
......
......
23.2
-12.6
EBITDA
M USD
......
......
......
Operating Cash Flow
M USD
......
......
......
226.8
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Pipelines and Water Supply
Source:
- subscription is required.
Heavy Mobile Equipment as of March 16, 2022:
HME Type
Model
Size
Quantity
Leased or
Contractor
Bolter
.......................
.......................
Dozer
.......................
Drill (blasthole)
.......................
140 mm
.......................
Drill (blasthole)
.......................
140 mm
.......................
Excavator
.......................
Grader
.......................
Jumbo
.......................
.......................
Jumbo
.......................
.......................
Loader (FEL)
.......................
14 cu. m
.......................
Load-Haul-Dump (LHD)
.......................
.......................
Load-Haul-Dump (LHD)
.......................
.......................
Scissor Lift
.......................
.......................
Scissor Lift
.......................
.......................
Shovel
.......................
21 cu. m
.......................
Truck (haul)
.......................
93 t
.......................
Truck (haul)
.......................
.......................
Truck (haul)
.......................
.......................
Truck (water)
.......................
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Mine Management:
Job Title
Name
Phone
Profile
Ref. Date
.......................
.......................
Jul 27, 2022
.......................
.......................
Jul 27, 2022
.......................
.......................
Jul 27, 2022
.......................
.......................
Jul 27, 2022
.......................
.......................
.......................
Jul 27, 2022
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Staff:
Employees
Total Workforce
Year
2021
2020
2017
2015
Corporate Filings & Presentations:
Document
Year
Corporate Presentation
2022
Feasibility Study Report
2022
...................................
2021
...................................
2021
...................................
2021
...................................
2021
...................................
2020
...................................
2020
...................................
2020
...................................
2020
...................................
2020
...................................
2019
...................................
2019
...................................
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
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News:
News
Date
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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