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Peru
Bethania Mine

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 Location:
70 km SW from Huancayo, Peru

  Address:
Cal.Luis Arias Scheiber, Nro.225 Int.303 Urb.Prolongacion Aurora
Lima
Peru
150122
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Fleet
  • Personnel
  • Filings & News

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Overview

StatusCare and Maintenance
Mine TypeUnderground
Commodities
  • Silver
  • Zinc
  • Gold
  • Lead
  • Copper
Mining Method
  • Cut & Fill
  • Backfill
Production Start...
Mine Life6 years (as of Jan 1, 2022)
Historically known as Mina Santa Elena, the Bethania Mine operated intermittently from 1977 and was put on care and maintenance in 2016.

Kuya plans to implement an expansion and construct a concentrate plant at site before restarting operations.

On February 9, 2023, Kuya Silver Corporation announced an agreement with Minera Perú Sol S.A.C. to process mineralized material from the Bethania Project in Peru. This toll milling agreement will allow Kuya to begin processing material from the Bethania Project to produce silver-lead and zinc concentrates in 2023.
Latest NewsKuya Silver Signs Toll-Milling Agreement To Produce Silver-Lead and Zinc Concentrates From The Bethania Project     February 9, 2023


Owners

Source: p. 82
CompanyInterestOwnership
Kuya Silver Corp. 100 % Indirect
On 16 December 2020, Kuya Silver Corporation (from now on Kuya) announced it had acquired 100% of the Bethania Silver Project from S & L Andes Export SAC (“S&L”) and renamed S&L to Minera Toro del Plata S.A.C. (wholly owned Peruvian subsidiary of Kuya). Aerecura Materiales S.A.C., a current registered holder of some of the adjacent concessions that make up the Bethania Silver Project, was renamed Kuya Silver S.A.C. (a wholly owned Peruvian subsidiary of Kuya).

Contractors

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Deposit Type

  • Volcanic hosted
  • Epithermal
  • Vein / narrow vein


Summary:

The Bethania silver deposit is a polymetallic (Ag-Pb-Zn-Cu-Au) hydrothermal deposit whose mineralogy, mineralization, textures, and associated alteration phases are consistent with the intermediate sulphidation (IS) epithermal geological model for volcanic-hosted precious metal deposits.

The Santa Elena mining concession covers Tertiary volcanic rocks that include andesite, dacite, and tuff. Outcrop exposure is best in areas of higher elevation (high cliffs, hill tops etc.) and along road or stream cuts, with much of the region covered by vegetation and Quaternary deposits (overburden).

All of the mineralized veins discovered to date are hosted by altered andesite and/or dacite with some anomalous mineralization hosted by siliceous bodies of stockwork quartz-breccia. The attention of past on-vein exploitation focused on the east-northeast trending veins but there are numerous north-northwest trending veins that have seen little if any exploration and testing.

The total lengths of the vein systems are not clear for all the veins and there is evidence that the northeast-trending veins (e.g., Española and Carolina) could extend several hundred meters along strike. In addition, many of the veins continue at depth as evidenced from underground mine development and the recently completed Phase diamond drilling program.

Ausenco (2017), noted that geochemical results indicate the potential for an igneous body of the copper porphyry type ex ........


Mining Methods

  • Cut & Fill
  • Backfill


Summary:

The UBC methodology was used to select the most suitable mining method for the Santa Elena mine, considering the shape of mineralization, review of geotechnical information (RMR and characteristics of the footwall and hanging wall), distribution of grades and the general characteristics of the mine (for example, width, dip and depth).

The UBC Method is a modification of Nicholas's (1981) approach. According to Nicholas, each extraction method is classified according to the parameters of geometric distribution, grade of mineralization, location (distance to surface) and the geomechanical characteristics of the hanging wall and footwall.

The steps in the selection process considered the following:
• Description of the geometry of the mineralized material.
• Geomechanical characteristics of the mineralization, hanging wall and foot wall.

The mining methods likely to be applicable at Santa Elena through the UBC assessment were:
• Sublevel stopping;
• Cut-and-fill;
• SquareSet;
• Open Pit;
• Top Slicing;
• Sublevel Caving;
• Shrinkage stopping;
• Block Caving;
• Room and Pillar;
• Longwall.

From the analysis developed by the UBC methodology, the results of the applicable mining methods are referential to the base parameters analysed. The Conventional Cut and Fill, Square Set and Shrinkage mining methods offer the best value for the deposit. The importance ........


Crushing and Grinding
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Processing

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Summary:

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Production:

CommodityProductUnitsLOM (Projected)
Silver Metal in copper conc. koz 808
Silver Metal in lead concentrate koz 5,639
Silver Payable metal koz 6,101
Zinc Concentrate kt  ......  Subscription required
Zinc Payable metal M lbs  ......  Subscription required
Zinc Metal in concentrate M lbs  ......  Subscription required
Gold Metal in copper conc. koz  ......  Subscription required
Gold Payable metal koz  ......  Subscription required
Gold Metal in lead concentrate koz  ......  Subscription required
Lead Concentrate kt  ......  Subscription required
Lead Payable metal M lbs  ......  Subscription required
Lead Metal in concentrate M lbs  ......  Subscription required
Copper Concentrate kt  ......  Subscription required
Copper Payable metal M lbs  ......  Subscription required
Copper Metal in concentrate M lbs  ......  Subscription required
Silver Equivalent Payable metal koz  ......  Subscription required


Reserves at April 9, 2022:
The regularised block was used in the final resource calculation and the resource statement, applying a cut-off value of 100 ppm silver equivalent (AgEq).

CategoryTonnage CommodityGradeContained Metal
Indicated 404,000 t Silver 332 g/t 4,317,540 oz
Indicated 404,000 t Zinc 1.95 %
Indicated 404,000 t Gold 0.26 g/t
Indicated 404,000 t Lead 2.63 %
Indicated 404,000 t Copper 0.16 %
Indicated 404,000 t Silver Equivalent 451 g/t 5,858,521 oz
Inferred 700,000 t Silver 249 g/t 5,600,256 oz
Inferred 700,000 t Zinc 1.58 %
Inferred 700,000 t Gold 0.26 g/t
Inferred 700,000 t Lead 2.51 %
Inferred 700,000 t Copper 0.12 %
Inferred 700,000 t Silver Equivalent 356 g/t 8,006,431 oz



Proposed Heavy Mobile Equipment as of April 9, 2022:
HME TypeSizeQuantityLeased or
Contractor
Truck (dump) 15 cu. m ....................... Subscription required Leased
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jul 14, 2022
....................... Subscription required ....................... Subscription required Subscription required Apr 9, 2022
....................... Subscription required ....................... Subscription required Subscription required Apr 9, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 14, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 14, 2022
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Staff:

Total WorkforceYear
Subscription required 2022

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
Preliminary Economic Assessment 2022
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News:

NewsDate
Kuya Silver Signs Toll-Milling Agreement To Produce Silver-Lead and Zinc Concentrates From The Bethania Project February 9, 2023

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