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Australia
Pegmont Project

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 Location:
130 km SSE from Cloncurry, Queensland, Australia

  Project Contacts:
Suite 1500 – 409 Granville Street
Vancouver
British Columbia, Canada
V6C 1T2
Phone  ...  Subscription required
Fax604-484-7155
EmailEmail
WebsiteWeb
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Overview

StagePreliminary Economic Assessment
Mine TypeOpen Pit & Underground
Commodities
  • Lead
  • Zinc
  • Silver
Mining Method
  • Truck & Shovel / Loader
  • Longhole stoping
  • Room-and-pillar
Mine Life10 years (as of Jan 1, 2019)


Owners

Source: p. 41
CompanyInterestOwnership
Vendetta Mining Corp. 100 % Indirect

Contractors

Subscription required - Subscription is required.


Deposit Type

  • Metamorphic hosted
  • Broken Hill-type (BHT)
  • Banded iron formation


Summary:

The Pegmont lead-zinc deposit is a body of stratiform lead-zinc sulphides contained within a metamorphosed silicate facies BIF. It is considered to be an example of a BHT deposit.

Pegmont is enveloped by a variable but large volume of late or postorogenic fracture/vein- controlled alteration. Williams et al identified two stages of alteration. Stage 1 veins typically are composed of quartz ± K feldspar ± tourmaline ± biotite ± rutile ± ilmenite associated with K feldspar ± muscovite ± tourmaline, or biotite ± muscovite ± garnet alteration. Stage 2 quartz ± chlorite ± calcite ± ferroan dolomite ± hematite ± sulphide veins are associated with fine-grained muscovite (illite-phengite) + chlorite ± carbonate alteration.

A largest amphibolite (hornblende-plagioclase) body is poorly exposed in sub-crop on the edge of the mining lease, called the “Lease Amphibolite”, it is a flay lying, highly continuous body that transgresses the BIF without any apparent displacement. The Lease Amphibolite displays textural zoning, which may reflect chilled margins and compositional layering. The southeast edge of Zone 3 is defined where the amphibolite intersects the Lens B BIF, to the southeast of this the Lease Amphibolite is below the BIF's and to the northwest it is above the BIF's. Drill data density in the Lease Amphibolite is less than the mineralization.

The Squirrel Hills Granite, part of the Williams Batholith, is over 100 km north-south and up to 25 km w ........


Mining Methods

  • Truck & Shovel / Loader
  • Longhole stoping
  • Room-and-pillar


Summary:

The Pegmont project includes three resources consisting of the BHZ, the Main Zones (Zones 1- 5), and the Bridge Zone. The BHZ can be developed as an open pit, the Main Zone can be developed as a combination of open pit and underground, and the Bridge Zone is an underground resource.

AMC (AMC Mining Consultants (Canada) Ltd) developed the Mineral Resource block models for the Main Zone and BHZ for evaluation of the open pit mining potential. The block models are proportional models, containing a field for ore percent and waste percent, with block dimensions of 5 m in the X (east) direction by 5 m in the Y (north) direction by 5 m in the Z (vertical) direction for the Main Zone, and 2.5 m in X by 2 m in Y by 2.5 m in Z direction for the BHZ.

AMC proposes to mine the open pits using a conventional truck and excavator mining method. AMC has assumed that a 10 m bench height would be adopted for waste rock, and that mineralized material will be mined in 2.5 m flitches to increase mining selectivity. Mining of mineralized material will occur using a hydraulic excavator in backhoe configuration (example: Komatsu PC1250). Hydraulic excavators in front-shovel configuration (example: Komatsu PC2000) will be used in areas of bulk waste rock to increase the rate of mining in waste rock and reduce operating costs.

The average productivity of the PC1250 excavators in blasted mineralized material is expected to be approximately 1,080 t/op hr. The productivit ........


Crushing and Grinding
Source: Subscription required

- subscription is required.


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityUnitsAvg. AnnualLOM
Lead M lbs 1241,069
Zinc M lbs  ......  Subscription required  ......  Subscription required
Silver koz  ......  Subscription required  ......  Subscription required
All production numbers are expressed as payable metal.

Operational Metrics:

Metrics
Daily processing rate 3,000 t *
Plant annual capacity 1,100,000 t *
Stripping / waste ratio 12.5 *
Waste tonnes, LOM 111.1 Mt *
Ore tonnes mined, LOM 10.6 Mt *
Total tonnes mined, LOM 121.7 Mt *
Tonnes milled, LOM 10.6 Mt *
* According to 2019 study.

Reserves at July 31, 2018:
Cut-off grade applied to the open pit Mineral Resources is 3% Pb+Zn and that applied to the underground is 5% Pb+Zn.

CategoryTonnage CommodityGrade
Indicated 5,758 kt Lead 6.5 %
Indicated 5,758 kt Zinc 2.6 %
Indicated 5,758 kt Silver 11 g/t
Inferred 8,277 kt Lead 5.1 %
Inferred 8,277 kt Zinc 2.8 %
Inferred 8,277 kt Silver 8 g/t

Commodity Production Costs:

CommodityAverage
Cash costs Lead  ......  Subscription required
All-in sustaining costs (AISC) Lead  ......  Subscription required
Assumed price Lead  ......  Subscription required
Assumed price Zinc  ......  Subscription required
Assumed price Silver  ......  Subscription required
* According to 2019 study / presentation.
† Net of By-Product.

Operating Costs:

Units2019
OP mining costs ($/t mined) AUD 3.08 *  
UG mining costs ($/t mined) AUD  ......  Subscription required
Crushing costs ($/t milled) AUD  ......  Subscription required
Processing costs ($/t milled) AUD  ......  Subscription required
G&A ($/t milled) AUD  ......  Subscription required
Total operating costs ($/t milled) AUD  ......  Subscription required
* According to 2019 study.
Subscription required - Subscription is required.

2019 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Initial CapEx $M AUD  ......  Subscription required
Sustaining CapEx $M AUD  ......  Subscription required
Closure costs $M AUD  ......  Subscription required
Total CapEx $M AUD  ......  Subscription required
OP OpEx $M AUD  ......  Subscription required
UG OpEx $M AUD  ......  Subscription required
Processing OpEx $M AUD 278.8
G&A costs $M AUD 66.2
Total OpEx $M AUD  ......  Subscription required
Total Taxes $M AUD  ......  Subscription required
Gross revenue (LOM) $M AUD  ......  Subscription required
EBITDA (LOM) $M AUD  ......  Subscription required
After-tax Cash Flow (LOM) $M AUD  ......  Subscription required
Pre-tax NPV @ 8% $M AUD  ......  Subscription required
After-tax NPV @ 8% $M AUD  ......  Subscription required
Pre-tax IRR, %  ......  Subscription required
After-tax IRR, %  ......  Subscription required
Pre-tax payback period, years  ......  Subscription required
After-tax payback period, years  ......  Subscription required
Subscription required - Subscription is required.


Proposed Heavy Mobile Equipment as of January 21, 2019:
HME TypeModelSizeQuantityLeased or
Contractor
Dozer 300 HP ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
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....................... Subscription required ....................... Subscription required Leased
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jan 21, 2019
....................... Subscription required ....................... Subscription required Subscription required Jan 21, 2019
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2019

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Technical Report 2017
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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