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Peru
Callanquitas (Igor) Project (Callanquitas)

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 Location:
150Km NE from Trujillo, Peru

  Project Contacts:
Calle José Toribio Polo #327-Oficina 704
Urbanización Santa Cruz, Miraflores
Lima
Peru
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
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  • Filings & News

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Overview

StageConstruction
Mine TypeUnderground
Commodities
  • Gold
  • Silver
Mining Method
  • Cut & Fill
  • Drift & Fill
  • Backfill
Mine Life7 years (as of Jan 1, 2018)
The Igor Project includes the Callanquitas structure (the “Igor 4 concession”), where the PPX Mining has been conducting an underground operation through a third party contractor, announced the results of a pre-feasibility study, and had planned to build a heap leach processing plant. As at September 30, 2022 the PPX Mining will no longer proceed with the construction of the heap leach processing plant. PPX Mining has decided to modify the plant configuration to a grind – tank leach plant.
Latest NewsPPX Mining Closes Acquisition of Surface Rights at its Igor Project     March 15, 2023


Owners

Source: p. 21
CompanyInterestOwnership
PPX Mining Corp. 100 % Indirect
PPX (PPX Mining Corp.), through its subsidiary Sienna Minerals S.A.C., has a 100% interest in the Igor Project.

Contractors

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Deposit Type

  • Porphyry
  • Epithermal
  • Breccia pipe / Stockwork
  • Vein / narrow vein


Summary:

Field evidence suggests that the Igor project mineralization belongs to the epithermal type of gold-silver deposit (Guilbert and Park, 1986). In general, epithermal gold-silver deposits are composed of structurally or stratigraphically controlled disseminations or veins that form in a shallow environment (less than or about 1.5 km) and are hosted by volcanic or sedimentary rocks. The mineralization is dominated by gold and silver but can contain variable amounts of copper, lead, and zinc.

Igor project mineralization occurs within four primary target areas: Callanquitas, Domo, Tesoros, and Portachuelos. Mineralization within the property often occurs at the transition zone from Chimú up into the Santa and Carhuez rocks. There is a spatial association of dacite porphyry dikes emplaced within structural breccias with both structural and manto-style mineralization.

The Callanquitas area, which is on the northwest side of the Igor anticline, is the focus of the current resource estimate and pre feasibility technical analyses. Domo and Tesoros, within the east and southeast sides of the anticline, respectively, have had limited drilling and both are areas of minor artisanal mining activity. Portachuelos is an exploration target on the southwest limb of the anticline on trend south of Callanquitas.

Callanquitas Veins
The Callanquitas veins (Callanquitas Este, Callanquitas Oeste and Cianuro) occur within a north-south striking zone of multiple, a ........


Mining Methods

  • Cut & Fill
  • Drift & Fill
  • Backfill


Summary:

The Igor mine will be accessed via two declines and a system of internal ramps.

The modified cut and fill mining method will start by mining all the capital development on alevel including the decline, station levels, and raises. After the capital development for a level is complete, the access drive will be mined from the station level to the ore drive at a -12.5% grade. The ore drive runs along strike of the orebody. After the ore drive is mined out, the first lift will be mined by drilling up holes into the back and blasting down. The material will be moved out of the drift via an underground loader and trucks. After the first lift is mined out, the ore drive will be filled with waste rock via an underground loader and trucks. The access drive will then be adjusted to access the first lift. This process will continue until the sill pillar is reached .

The level layout consists of a decline, level station, exhaust raise, intake raise, level access, ore drives, and stopes. The raises will also be used as a material pass system. The access drift is designed at -12.5% grade. The access drift will be adjusted upwards after each lift is mined and filled. The resulting access drift will be at +12.5% grade. The decline is also designed at -12.5% grade.

All mining, including production and development, will be done by mining contractors who will provide the required mobile equipment.


Crushing and Grinding
Source: Subscription required

- subscription is required.


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityProductUnitsLOM
Gold Payable metal koz 107
Gold Metal in doré koz 108
Silver Payable metal koz  ......  Subscription required
Silver Metal in doré koz  ......  Subscription required
Gold Equivalent Payable metal koz  ......  Subscription required

Operational Metrics:

Metrics
Daily ore mining rate 350 t *
Ore tonnes mined, LOM 1,030 kt *
Total tonnes mined, LOM 1,242 kt *
Daily processing capacity 350 t *
Daily processing rate 350 t *
Tonnes processed, LOM 1,030,000 t *
Annual processing rate 126,000 t *
* According to 2018 study.

Reserves at December 3, 2018:
Mineral Resources are tabulated on a gold-equivalent (“AuEq”) cutoff grade of 2.0g AuEq/t.

CategoryOreTypeTonnage CommodityGradeContained Metal
Proven Oxide 8,000 t Gold 4.56 g/t 1,000 oz
Proven Oxide 8,000 t Silver 32.3 g/t 8,000 oz
Proven Oxide 8,000 t Gold Equivalent 4.74 g/t 1,000 oz
Probable Oxide 1,022,000 t Gold 4.09 g/t 134,000 oz
Probable Oxide 1,022,000 t Silver 104.6 g/t 3,437,000 oz
Probable Oxide 1,022,000 t Gold Equivalent 4.66 g/t 153,000 oz
Proven & Probable Oxide 1,030,000 t Gold 4.1 g/t 136,000 oz
Proven & Probable Oxide 1,030,000 t Silver 104.1 g/t 3,445,000 oz
Proven & Probable Oxide 1,030,000 t Gold Equivalent 4.66 g/t 154,000 oz
Measured Oxide 109,000 t Gold 5.32 g/t 19,000 oz
Measured Oxide 109,000 t Silver 61.7 g/t 215,000 oz
Measured Oxide 109,000 t Gold Equivalent 5.59 g/t 20,000 oz
Indicated Oxide 1,361,000 t Gold 4.67 g/t 204,000 oz
Indicated Oxide 1,361,000 t Silver 113.4 g/t 4,962,000 oz
Indicated Oxide 1,361,000 t Gold Equivalent 5.17 g/t 226,000 oz
Measured & Indicated Oxide 1,470,000 t Gold 4.72 g/t 223,000 oz
Measured & Indicated Oxide 1,470,000 t Silver 109.5 g/t 5,177,000 oz
Measured & Indicated Oxide 1,470,000 t Gold Equivalent 5.21 g/t 246,000 oz
Inferred Sulphide 269,000 t Gold 2.97 g/t 26,000 oz
Inferred Oxide 344,000 t Gold 4.58 g/t 51,000 oz
Inferred Sulphide 269,000 t Silver 159.1 g/t 1,378,000 oz
Inferred Oxide 344,000 t Silver 124.6 g/t 1,376,000 oz
Inferred Sulphide 269,000 t Gold Equivalent 3.68 g/t 32,000 oz
Inferred Oxide 344,000 t Gold Equivalent 5.13 g/t 57,000 oz

Commodity Production Costs:

CommodityUnitsAverage
Cash costs Gold Equivalent USD 601 / oz *  
All-in sustaining costs (AISC) Gold Equivalent USD 813 / oz *  
Assumed price Silver USD 16.5 / oz *  
Assumed price Gold USD 1,250 / oz *  
* According to 2018 study / presentation.

Operating Costs:

Units2018
UG mining costs ($/t milled) USD 49.4 *
Processing costs ($/t milled) USD  ......  Subscription required
G&A ($/t milled) USD  ......  Subscription required
Total operating costs ($/t milled) USD  ......  Subscription required
* According to 2018 study.
Subscription required - Subscription is required.

2018 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Initial CapEx $M USD  ......  Subscription required
Sustaining CapEx $M USD  ......  Subscription required
Total CapEx $M USD  ......  Subscription required
UG OpEx $M USD  ......  Subscription required
Processing OpEx $M USD 17.6
Backfill costs $M USD  ......  Subscription required
Refining costs $M USD  ......  Subscription required
G&A costs $M USD 2.5
Total OpEx $M USD  ......  Subscription required
Mining Taxes $M USD  ......  Subscription required
Income Taxes $M USD  ......  Subscription required
Gross revenue (LOM) $M USD  ......  Subscription required
Net revenue (LOM) $M USD  ......  Subscription required
Operating margin, %  ......  Subscription required
Pre-tax Cash Flow (LOM) $M USD  ......  Subscription required
After-tax Cash Flow (LOM) $M USD  ......  Subscription required
Pre-tax NPV @ 5% $M USD  ......  Subscription required
Pre-tax NPV @ 10% $M USD  ......  Subscription required
After-tax NPV @ 5% $M USD  ......  Subscription required
After-tax NPV @ 10% $M USD  ......  Subscription required
Pre-tax IRR, %  ......  Subscription required
After-tax IRR, %  ......  Subscription required
After-tax payback period, years  ......  Subscription required
Subscription required - Subscription is required.

Pipelines and Water Supply
Source: Subscription required

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Proposed Heavy Mobile Equipment as of December 3, 2018:
HME TypeSizeQuantityLeased or
Contractor
Drill ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Dec 3, 2018
....................... Subscription required ....................... Subscription required Subscription required Dec 3, 2018
....................... Subscription required ....................... Subscription required Subscription required Dec 3, 2018
....................... Subscription required ....................... Subscription required Subscription required Mar 8, 2023
Subscription required - Subscription is required.

Staff:

EmployeesYear
Subscription required 2018

Corporate Filings & Presentations:

DocumentYear
Press Release 2023
Financial Review 2022
Management Discussion & Analysis 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Pre-Feasibility Study Report 2018
Subscription required - Subscription is required.

News:

NewsDate
PPX Mining Closes Acquisition of Surface Rights at its Igor Project March 15, 2023

Subscription required - Subscription is required.

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