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Canada
Brewery Creek Project

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 Location:
58 km E from Dawson, Yukon, Canada

  Project Contacts:
Box 1419 The Eliza Building 101-156 Queen Street
Dawson
Yukon, Canada
Y0B 1G0
Phone  ...  Subscription required
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StagePermitting
Mine TypeOpen Pit
Commodities
  • Gold
Mining Method
  • Truck & Shovel / Loader
Processing
  • Heap leach
  • Carbon in column (CIC)
  • Carbon adsorption-desorption-recovery (ADR)
  • Elution
  • Solvent Extraction & Electrowinning
  • Cyanide (reagent)
Mine Life8 years (as of Jan 1, 2014)
In July 2019, the Company announced that it had received formal notification from the Yukon Government confirming the validity of its existing Quartz Mining License and Water License, providing for the restart of the 100%- owned Brewery Creek Mine which was put into temporary closure in 2002 following a collapse of gold prices.
Latest NewsSabre Gold Files Brewery Creek Preliminary Economic Assessment     January 28, 2022


Owners

Source:
CompanyInterestOwnership
Sabre Gold Mines Corp. 100 % Direct
TORONTO, Sept. 02, 2021 (GLOBE NEWSWIRE) -- Sabre Gold Mines Corp. (formerly Arizona Gold Corp.) (“Sabre Gold” or the “Company”) and Golden Predator Mining Corp. (“Golden Predator”) are pleased to announce the successful completion of the previously-announced business combination, pursuant to which Sabre Gold has acquired all of the issued and outstanding common shares of Golden Predator (the “Golden Shares”) by way of a statutory plan of arrangement under the provisions of the Business Corporations Act (British Columbia) (the “Arrangement”).

The combined company represents a business combination of Sabre Gold and Golden Predator a diversified, multi asset near-term gold producer in North America which will hold 100 per cent ownership of both the fully permitted Copperstone mine located in Arizona, United States and the Brewery Creek mine located in Yukon, Canada.

Deposit Type

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


Summary:

The Brewery Creek deposits exhibit characteristics of both intrusion-related and epithermal type deposits. It is generally considered to be an alkalic intrusion-associated, gold deposit as most of the mineralization is concentrated within or proximal to the monzonites.

The following factors support an epithermal, environment of mineralization for the deposits along the reserve trend: 1) a strong gold, arsenic, antimony, mercury association within veins and breccias, 2) very low base metal concentrations and a relatively high gold : silver ratios of 3:1, 3) the absence of contact metamorphism in sediments around sill contacts along the reserve trend, 4) euhedral, coarse-grained quartz with primary growth zones, 5) open space textures such as comb and cockade textured quartz and chalcedony, and 6) the presence of trace amounts of CO2, low salinities (<7% NaCl) and low homogenization temperatures (< 300 °C) within fluid inclusions.

Big Rock
The West and East Big Rock deposits are the furthest westerly known occurrence in the district and are located approximately 1.2 km from the current heap leach pad. Mineralization occurs primarily in limonite-altered quartz monzonite sills and subordinately in adjacent siliciclastic sedimentary strata.

Canadian and Fosters
The Fosters mineralized area includes only the un-mined Lower Fosters deposit, which lies approximately 3.5 km from the current heap leach pad. Logs of reverse circulation drillholes indicate that mineralization associates with clay alteration, presumably from the destruction of K-feldspar minerals. According to Diment and Simpson (2009), mineralization is associated with pervasive phyllic and locally intense argillic alteration. The feldspars alter to an assemblage of sericite, illite and kaolinite. Fine pyrite and arsenopyrite occur in association with secondary quartz. Gold occurs primarily in the limonite-altered quart monzonite and subordinately in sedimentary strata that lie adjacent to the intrusions.

Bohemian-Schooner
Gold mineralization at Bohemian-Schooner occurs primarily in clay-altered quartz monzonite sills and subordinately in adjacent siltstone. It occurs most commonly in association with strong argillic altered and locally silicified quartz monzonite. Sheeted and stockwork mm- to cm-scale quartz-pyrite-arsenopyrite veins, commonly forming conjugate patterns in detail, cut the altered intrusion and occur in association with higher grade zones.

Kokanee
Mineralized material at Kokanee occurs primarily in the quartz monzonite sill complex and subordinately in siltstone and argillite. Observations of mineralized material exposed in pit walls shows millimeter-scale veinlets with ironoxide ± quartz fillings. The mineralized quartz monzonite typically contains several percent of evenly disseminated oxidized pyrite.

Golden
Golden, like Kokanee, is hosted by the thickest and most extensive part of the Cretaceous quartz monzonite sill complex. The K-feldspar component of quartz monzonite, both phenocryst and groundmass are altered to white clay.

Lucky
Lucky is situated immediately west of the Bohemian-Schooner deposits and northeast of the
Golden deposit. Altered Cretaceous quartz-monzonite that intrudes lower Earn Group sediments host mineralized material at Lucky, similar to that at Bohemian-Schooner.


Mining Methods

  • Truck & Shovel / Loader


Summary:

Due to the shallow nature of the resources included in the PEA, only open pit mining has been considered. The mining has been proposed as a truck and shovel type operation.


Crushing and Grinding
Flow Sheet: Source


Processing

  • Heap leach
  • Carbon in column (CIC)
  • Carbon adsorption-desorption-recovery (ADR)
  • Elution
  • Solvent Extraction & Electrowinning
  • Cyanide (reagent)

Flow Sheet: Subscription required

Summary:

Precious metals will be recovered from low grade mineralized material by heap leaching. To prepare the ore for leaching, a crushing plant is planned. The ore will be processed through the crushing plant at 7,500 tonnes per day, 230 days per year. Crushed ore will be placed on the heap by truck and leached with a dilute cyanide solution. Precious metals will be recovered from the leach solution by adsorption on activated carbon. The precious metals will be periodically desorbed from the activated carbon and the stripped carbon will be reactivated by an on-site kiln. Precious metals will be recovered from the strip solution by electrowinning. The product from electrowinning will be dried and smelted to produce dóre bullion which will be shipped from the site to refiners.

Based on the data provided by Brewery Creek, the following process plant flowsheet has been selected:

1. Crushing Plant – Tertiary crushing, with primary jaw, secondary and tertiary cone crushers, ........

Recoveries & Grades:

CommodityParameterAvg. LOM
Gold Head Grade, g/t 1.18

Projected Production:

CommodityUnitsLOM
Gold oz 413,703
All production numbers are expressed as metal in doré.

Operational Metrics:

Metrics
Stripping / waste ratio 4.24 *
Daily ore mining rate 7,500 t *
Annual mining capacity 6,600,000 t *
Waste tonnes, LOM 43,619,880 t *
Ore tonnes mined, LOM 10,264,483 t *
Total tonnes mined, LOM 61,330,746 t *
Tonnes processed, LOM 14,445,179 t *
Annual processing rate 1,725,000 t *
* According to 2014 study.

Reserves at October 1, 2019:

CategoryOreTypeTonnage CommodityGradeContained Metal
Indicated Oxide 21,138 kt Gold 1.125 g/t 765 koz
Inferred Sulphide 8,574 kt Gold 0.985 g/t 272 koz
Inferred Oxide 14,117 kt Gold 0.967 g/t 439 koz

Commodity Production Costs:

CommodityUnitsAverage
Cash costs Gold USD 778 / oz *
Assumed price Gold USD 1,250 / oz *
* According to 2014 study / presentation.

Operating Costs:

Units2014
Processing costs ($/t milled) USD 8.41 *
Total operating costs ($/t milled) USD  ......  Subscription required
* According to 2014 study.
Subscription required - Subscription is required.

2014 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
OP OpEx $M CAD  ......  Subscription required
Processing OpEx $M CAD 120.9
G&A costs $M CAD 49
Total OpEx $M USD  ......  Subscription required
Total Taxes $M USD  ......  Subscription required
Royalty payments $M USD  ......  Subscription required
Net revenue (LOM) $M USD  ......  Subscription required
Net Income (LOM) $M USD  ......  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
After-tax NPV @ 5% $M USD  ......  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 November 19, 2014:
HME TypeSizeQuantityLeased or
Contractor
Backhoe 1.2 cu. m ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... 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 Sep 11, 2021
....................... Subscription required ....................... Subscription required Subscription required Sep 11, 2021
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Preliminary Economic Assessment 2022
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Corporate Presentation 2018
Preliminary Economic Assessment 2014
Subscription required - Subscription is required.

News:

NewsDate
Sabre Gold Files Brewery Creek Preliminary Economic Assessment January 28, 2022
Sabre Gold Announces Preliminary Economic Assessment Results January 18, 2022
Sabre Gold Announces 32% Increase to Measured & Indicated Resource at Brewery Creek December 14, 2021
Sabre Gold Completes Acquisition of Golden Predator September 2, 2021
Arizona Gold and Golden Predator Shareholders Approve Business Combination August 25, 2021
Golden Predator Provides Update on Arizona Gold Transaction July 14, 2021
Arizona Gold and Golden Predator Announce Consolidation of Near-Term Gold Production in North America June 28, 2021
Golden Predator Mining Corp.: Significant gold mineralization in all drill holes reaching target depth February 9, 2021
Golden Predator Reports Brewery Creek Mine 2020 Drill Results January 25, 2021
Golden Predator: Further Drilling Extends Oxide Gold Mineralization to 3.5 km of Strike at Golden Predator’s Brewery Creek Mine April 15, 2020
Golden Predator Drill Results Continue to Extend Oxide Mineralization to 3.1 km Along Strike at Brewery Creek Mine; Including 36 m of 1.7 g/t at Lucky Zone March 11, 2020
Golden Predator Drill Results Extend Known Mineralization 400 meters at Brewery Creek Mine; Continuous Zone of Oxide Mineralization Now Extends 2.8 km Along Strike February 20, 2020
Golden Predator Announces Further Oxide Gold Drill Results from Brewery Creek Mine Including 19.8 m of 1.28 g/t Gold February 6, 2020
Golden Predator Announces Further Brewery Creek Mine Drill Results Including 27.4 m of 3.21 g/t Oxide Gold from Surface January 29, 2020
Golden Predator Announces Updated Technical Report; Oxide Gold Resource Ounces Increase more than 50% at Brewery Creek Mine, Yukon January 15, 2020
Golden Predator Intercepts 6.1 m of 9.33 g/t Gold at Brewery Creek’s Lucky Deposit November 4, 2019
Golden Predator Provides Mining Restart Notice For Brewery Creek Mine To Yukon Government; Updates on Bridge Upgrade August 26, 2019
Tr’ondek Hwech’in and Yukon Government Support Received for the Re-start of Golden Predator’s Brewery Creek Gold Mine, Yukon July 2, 2019

Aerial view:

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