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Spain
Los Santos Mine

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 Location:
46 km S from Salamanca, Spain

  Address:
Castile and León
Salamanca
Spain
37768
Phone  ...  Subscription required
Fax349-231-654-27
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StatusCare and Maintenance
Mine TypeTailings
Commodities
  • Tungsten
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life2027
Pit production stopped in April 2019. Tailings were then re-processed from April 2019 to January 2020, when the processing operations were temporarily suspended.

In February 2020, as a result of additional testing work, Almonty decided to place the Los Santos Mine into care and maintenance. The Company plans to re-open operations in early 2023.


Owners

Source: p. 38
CompanyInterestOwnership
Almonty Industries Inc. 100 % Indirect
Ownership Tree
Daytal is a wholly owned Spanish subsidiary of Almonty, a corporation governed by the CBCA. The Los Santos mine is 100% owned by Daytal.

Contractors

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Deposit Type

  • Skarn


Summary:

Los Santos lies within Lower Palaeozoic sediments in the Central Iberian Tectonic Zone, which forms part of a Europe-wide, Variscan age orogenic belt. The stratigraphy comprises a thick sequence of clastic metasediments, ortho- and para-gneisses, with volcanic andcarbonate formations.

The Los Santos deposit is a typical skarn-hosted scheelite deposit, where intrusion of granitoids into carbonate-rich sedimentary rocks has resulted in their replacement by calcsilicateor siliceous minerals, together with mineralisation.

The deposit has been divided into a number of zones, six of which form the basis of the current project. From west to east these are known as Las Cortinas, Sector Central, Capa East and Los Santos Sur. The strike length varies for each zone and zone dips are fairly uniform across the deposit varying between 60o to 90o.

Within each zone, the skarn mineralisation is located within a number of individual beds, separated by barren lithologies. The major skarn beds vary between 2m and 20m in width; there are, however, numerous thinner bands measuring tens of centimetres.

Within each zone, the skarn mineralisation is located within a number of individual beds, separated by barren lithologies. The major skarn beds vary between 2m and 20m in width; there are, however, numerous thinner bands measuring tens of centimetr.

There are several varieties of skarn mineralisation, economically the most important being the ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The open pit operations are conventional drill and blast operations, using mining contractors.

Mining operations are based on mining 10m benches in waste, and 5m benches in ore, with 0.5m of sub-drilling. Tamrock CHA1100 rigs are used for blasthole drilling. The blastholes are 3.5 in. in diameter, and drilled on a 3m x 2.5m pattern in Los Santos Sur, and a 3m x 2.5m pattern in the other pits.

Pre-split lines are drilled along the edges of final walls. These pre-split holes are 3 in. in diameter, and are 0.8m apart.

The night following every blasting containing ore, a team of geologists checks with ultra-violet (UV) lighting the real position of the ore after blasting displacement, in order to reduce dilution to the minimum. They also pass the UV lamp by the waste dumps and stockpiles, to check for any kind of error on ore/waste selection. During all ore mucking operations, a grade control geologist is always present, to check and check for any other variations that can be seen in the pit with the blasted skarn material.

Pit production stopped in April 2019. Tailings were then re-processed from April 2019 to January 2020, when the processing operations were temporarily suspended.

Almonty continued its work with third party consultants in evaluating its tailings reprocessing methodology, running bulk samples through the existing plant as well as continued sampling through a testing circuit. The tailings recovery rate con ........


Crushing and Grinding
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Processing

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Summary:

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Production:

CommodityUnits2017201620152014Avg. Annual (Projected)
WO3 mtu 67,21193,10299,60390,28245,000
All production numbers are expressed as WO3 in concentrate.

Operational Metrics:

Metrics202120202019201820172016
Plant annual capacity  ......  Subscription required  ......  Subscription required500,000 t500,000 t
Ore tonnes mined  ......  Subscription required  ......  Subscription required455,968 t519,803 t
Tonnes milled  ......  Subscription required  ......  Subscription required521,827 t522,782 t
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Reserves at October 31, 2015:
Cut-off grade is 0.05% WO3.
Reported Reserves and Resources have not changed on December 31, 2021. [2021 AIF, 42-43]

CategoryOreTypeTonnage CommodityGradeContained Metal
Proven In-Situ (OP) 57 kt WO3 0.44 % 251 t
Probable In-Situ (OP) 1,408 kt WO3 0.33 % 4,700 t
Proven & Probable Stockpiles 55.289 kt WO3 0.33 % 183 t
Proven & Probable Tailings 2,062 kt WO3 0.15 % 3,191 t
Proven & Probable In-Situ (OP) 1,465 kt WO3 0.34 % 4,951 t
Proven & Probable Total 3,582 kt WO3 0.23 % 8,325 t
Measured In-Situ (OP) 75 kt WO3 0.41 % 304 t
Indicated In-Situ (OP) 2,133 kt WO3 0.28 % 6,012 t
Measured & Indicated In-Situ (OP) 2,208 kt WO3 0.29 % 6,316 t
Inferred In-Situ (OP) 1,878 kt WO3 0.25 % 4,663 t

Commodity Production Costs:

CommodityUnits20172016
Cash costs WO3 USD 226 / mtu   159 / mtu  

Financials:

Units202120202019201820172016
Capital expenditures M CAD  ......  Subscription required  ......  Subscription required 0.6   5.3   5.7  
Revenue M CAD  ......  Subscription required  ......  Subscription required 27.9   15.9   19.9  
Operating Income M CAD  ......  Subscription required  ......  Subscription required  ......  Subscription required 2   0   4.9  
Pre-tax Income M CAD  ......  Subscription required  ......  Subscription required  ......  Subscription required -2.4   -3.9   1.5  
Subscription required - Subscription is required



Heavy Mobile Equipment as of October 31, 2015:
HME TypeModelSizeQuantityLeased or
Contractor
Backhoe ....................... Subscription required ....................... Subscription required Leased
Backhoe ....................... Subscription required ....................... Subscription required Leased
Backhoe ....................... Subscription required ....................... Subscription required Leased
Backhoe ....................... Subscription required ....................... Subscription required Leased
Backhoe ....................... Subscription required ....................... Subscription required Leased
Backhoe ....................... Subscription required ....................... Subscription required Leased
Backhoe ....................... Subscription required ....................... Subscription required Leased
Bulldozer ....................... Subscription required ....................... Subscription required Leased
Drill ....................... Subscription required ....................... Subscription required Leased
Drill ....................... Subscription required ....................... Subscription required Leased
Drill ....................... Subscription required ....................... Subscription required Leased
Drill ....................... Subscription required ....................... Subscription required Leased
Drill ....................... Subscription required ....................... Subscription required Leased
Grader ....................... Subscription required ....................... Subscription required Leased
Loader (FEL) ....................... Subscription required ....................... Subscription required Leased
Loader (FEL) ....................... Subscription required ....................... Subscription required Leased
Truck (haul) ....................... Subscription required 62 t ....................... Subscription required Leased
Truck (haul) ....................... Subscription required ....................... Subscription required Leased
Truck (haul) ....................... Subscription required 55 t ....................... Subscription required Leased
Truck (haul) ....................... Subscription required 55 t ....................... Subscription required Leased
Truck (haul) ....................... Subscription required 54 t ....................... Subscription required Leased
Truck (haul) ....................... Subscription required 32 t ....................... Subscription required Leased
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jun 27, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 27, 2022
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Staff:

EmployeesYear
Subscription required 2021
Subscription required 2020
Subscription required 2019
Subscription required 2018
Subscription required 2017

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... 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
Financial Review 2018
Management Discussion & Analysis 2018
Annual Information Form 2017
Financial Review 2017
Annual Information Form 2015
Financial Review 2015
Technical Report 2015
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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