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Canada
Tiger (Rackla) Project

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 Location:
53 km NE from Keno City, Yukon, Canada

  Project Contacts:
1016-510 West Hastings Street
Vancouver
British Columbia, Canada
V6B 1M1
Phone  ...  Subscription required
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StagePreliminary Economic Assessment
Mine TypeOpen Pit
Commodities
  • Gold
  • Tungsten
Mining Method
  • Truck & Shovel / Loader
Mine Life7 years (as of Jan 1, 2020)
Latest NewsATAC Resources Ltd. Announces Letter of Intent with Hecla Mining Company     February 21, 2023


Owners

Source: p. 18
CompanyInterestOwnership
ATAC Resources Ltd. 100 % Direct
The Property comprises 3,315 contiguous quartz mineral claims that are 100% owned by ATAC, totaling 665.9 km2 (66,590 ha). There are no underlying royalties on the Property.

Contractors

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Deposit Type

  • Sediment-hosted
  • Carbonate replacement
  • Vein / narrow vein


Summary:

Several types of mineralization are known to occur on the Property including:
1. sediment-hosted replacement-style gold
2. zinc ± silver ± lead ± gold ± bismuth in limonite-rich veins and replacement bodies
3. scheelite in tremolite skarns
4. pyrrhotite ± scheelite ± chalcopyrite in actinolite-diopside ± garnet skarns
5. wolframite ± tantalite in granite
6. gold bearing quartz-boulangerite veins
7. pyrite-sphalerite-galena in carbonate replacement deposits.

Sediment-hosted replacement style gold mineralization is the most significant economic mineralization explored on the Property to date. Known showings of this type include the Tiger Deposit.

The Tiger Deposit is located 3 km west-northwest of the Rackla Pluton in a moderate to steep walled valley. It consists of a thick northwesterly trending body of carbonate replacement style gold mineralization hosted by a variably northeast dipping horizon. It has been delineated for about 900m along strike and about 400m in dip extent. The mineralization occurs in multiple zones over an aggregate thickness of up to about 150m. Mineralization is developed within and adjacent to a regionally extensive corridor of highly strained rocks that are manifested as a 40 to 150 m wide zone of small-scale folding and shearing. The geometry of the mineralized system is defined by a series of stacked and folded carbonate horizons intercalated with locally extensive mafic flows and volcanicla ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The open pit mine will utilize a conventional truck-and-excavator fleet. Based on the geotechnical recommendations provided by Golder(2016),blasting will be performed on non-oxide rock only, while oxide material will be excavated directlyby a hydraulic excavator.

Pit optimization and production scheduling were completed using the Measured, Indicated and Inferred Oxide and SulphideMineral Resources. The Project’s LOM is approximately seven years, including one year of pre-stripping followed by six years of mill production. Over the seven-year LOM, the pit will produce 2.7 Mt of mineralized material and 14.4 Mt of waste rock. The overall LOM average gold grade of oxide and sulphide material is 3.82 g/t. The LOM stripping ratio (defined as waste material mined divided by mineralized material mined) is 5.3.

Mining operations will be performed using leased mining equipment. Small mining equipment with operating flexibility was selected to match the pit production schedule and the nature of site. The equipment selection, sizing, and fleet requirements were based on anticipated site operating conditions, haulage profiles, cycle times, and overall equipment utilization. In determining the number of units for major equipment such as drills, excavators, and trucks, annual operating hours were calculated and compared to the available hours for the equipment. Mine support equipment, such as track dozers, motor graders, water/sanding trucks, etc., was matched with t ........


Crushing and Grinding
Source: Subscription required

- subscription is required.


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityUnitsAvg. AnnualLOM
Gold koz 44267
All production numbers are expressed as metal in doré.

Operational Metrics:

Metrics
Stripping / waste ratio  ......  Subscription required
Waste tonnes, LOM  ......  Subscription required
Ore tonnes mined, LOM  ......  Subscription required
Total tonnes mined, LOM  ......  Subscription required
Daily processing capacity  ......  Subscription required
Tonnes processed, LOM  ......  Subscription required
Annual processing capacity  ......  Subscription required
* According to 2020 study.
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Reserves at January 3, 2020:
Mineral Resources are reported at a 0.75g Au/t cut-off for open pit material and a 1.5g Au/t cut-off in underground material.

CategoryTonnage CommodityGradeContained Metal
Measured & Indicated 4,526,000 t Gold 3.19 g/t 464 koz
Measured & Indicated 4,526,000 t Tungsten 221 ppm 1,000 t
Inferred 165,000 t Gold 2.17 g/t 11.5 koz
Inferred 165,000 t Tungsten 109 ppm 18 t

Commodity Production Costs:

CommodityAverage
Cash costs Gold  ......  Subscription required *†
All-in costs Gold  ......  Subscription required *†
Assumed price Gold  ......  Subscription required *
* According to 2020 study / presentation.
† Net of By-Product.

Operating Costs:

Units2020
OP mining costs ($/t mined) CAD 4.28 *
OP mining costs ($/t milled) CAD  ......  Subscription required
Processing costs ($/t milled) CAD  ......  Subscription required
G&A ($/t milled) CAD  ......  Subscription required
Total operating costs ($/t milled) CAD  ......  Subscription required
* According to 2020 study.
Subscription required - Subscription is required.

2020 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Initial CapEx $M CAD  ......  Subscription required
Sustaining CapEx $M CAD  ......  Subscription required
Closure costs $M CAD  ......  Subscription required
Total CapEx $M CAD  ......  Subscription required
OP OpEx $M CAD  ......  Subscription required
Processing OpEx $M CAD 81
Site services costs $M CAD 12.7
G&A costs $M CAD 41.6
Total OpEx $M CAD  ......  Subscription required
Mining Taxes $M CAD  ......  Subscription required
Income Taxes $M CAD  ......  Subscription required
Total Taxes $M CAD  ......  Subscription required
Pre-tax Cash Flow (LOM) $M CAD  ......  Subscription required
After-tax Cash Flow (LOM) $M CAD  ......  Subscription required
Pre-tax NPV @ 5% $M CAD  ......  Subscription required
Pre-tax NPV @ 8% $M CAD  ......  Subscription required
After-tax NPV @ 5% $M CAD  ......  Subscription required
After-tax NPV @ 8% $M CAD  ......  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 February 27, 2020:
HME TypeSizeQuantityLeased or
Contractor
Compactor ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
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....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Feb 27, 2020
....................... Subscription required ....................... Subscription required Subscription required Feb 27, 2020
....................... Subscription required ....................... Subscription required Subscription required Apr 6, 2022
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
Preliminary Economic Assessment 2016
Subscription required - Subscription is required.

News:

NewsDate
ATAC Resources Ltd. Announces Letter of Intent with Hecla Mining Company February 21, 2023
ATAC Acknowledges Receipt of Offer from Victoria Gold Corp. February 13, 2023

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