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Canada
Revel Ridge Project

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 Location:
32 km N from Revelstoke, British Columbia, Canada

  Project Contacts:
1150-625 Howe Street
Vancouver
British Columbia, Canada
V6C 2T6
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  • Overview
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  • Filings & News

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Overview

StagePreliminary Economic Assessment
Mine TypeUnderground
Commodities
  • Gold
  • Silver
  • Zinc
  • Lead
Mining Method
  • Sill mining
  • Transverse stoping
  • Cemented backfill
Mine Life12 years (as of Jan 1, 2020)
Latest NewsRokmaster samples 18.26 g/t AuEq over 3.50 m on Revel North Project     December 19, 2022


Owners

Source: p. 12,24
CompanyInterestOwnership
Rokmaster Resources Corp. Indirect
Huakan International Mining Inc. 100 % Direct
Mineral tenure ownership is currently registered to Huakan. Rokmaster has an exclusive option to earn a 100% interest in the Property by paying Huakan an aggregate of CDN$44,200,000.
Rokmaster has an option agreement dated December 23, 2019 to earn a 100% interest in the Property from Huakan International Mining Inc. (Huakan), formerly Merit Mining Corp. (Merit). The agreement provides for Rokmaster to earn a 100% interest in the Property and associated assets without any underlying royalties.

Contractors

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Deposit Type

  • Vein / narrow vein
  • Orogenic
  • Carbonate hosted
  • Stratabound


Summary:

Main Zone
The Main Zone is a structurally controlled orogenic gold deposit characterized by precious metals enhanced sulphides containing significant gold, silver, lead and zinc. The deposit has a very predictable geometry. The zone is sheet-like or tabular with an average dip of about 56° to the northeast. The zone of sheeted massive and stringer sulphides having an average true width of 2.5 metres but can reach 15 metres in true thickness. The continuity of the zone is interrupted in a few places where it pinches out completely within narrow stretches. Exploration has confirmed persistent vertical and horizontal continuity of the Main Zone. On surface, a strike trace of at least 3.3 km has been defined. In addition, it is speculated that the Main Zone is linked to the Roseberry Prospect and also to the former Mastodon Mine, which would suggest a collective potential strike length of nine kilometres. The deposit has been traced 1,500 metres along strike and 800 metres down dip by underground drilling. Within this, it is exposed for 850 metres along strike by underground drifting along the 830 Level. Extensive drilling has indicated a traceable continuous plane with no significant fault offsets, cut-offs or fault drags zones, and there is possibly an element of improved grade in en-echelon series of northwest plunging lenses that strengthen with depth.

The Main Zone is composed of closely spaced bands of massive sulphides that frequently coalesce at its wides ........


Mining Methods

  • Sill mining
  • Transverse stoping
  • Cemented backfill


Summary:

The potentially mineable portion of the Revel Ridge Yellowjacket and Main Zone mineral resources extends along the strike length of the deposit for over 1 km, and over 800 m vertically from the 1310 Level to the 510 Level.

Currently, there is an exploration drift on the 830 Level, accessed by the 832 adit portal. There are also several other adits, none of which are anticipated to be used for mine traffic during mining operations but can be reopened and reinforced to provide secondary egress as required. Portions of the mine plan, above and below the 830 Level, are referred to as the upper and lower mine, respectively.

The stope shapes used were 20 m in height, 20 m in length and had a minimum stope design width of 2.5 m. The stope shapes also include an allowance for overbreak and include internal waste dilution.

The conceptual production mine plan produces an average 2,300 t/d of process feed for almost twelve years (11.96 years).

The first nine (9) years of the project focusses solely on mining the Main Zone, while years ten through twelve incorporate the mining of Yellowjacket Zone as well. The mining rate of 2,300 tonnes per day amounts to 839,500 tonnes per year, for a total of 10,039,384 tonnes over the 12-year mine life. The process feed from the Main Zone amounts to 9,392,872 tonnes, while the remaining 646,512 tonnes of process feed comes from Yellowjacket Zone.

The mine plan mines on 40 different levels from ........


Crushing and Grinding
Source: Subscription required

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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityUnitsAvg. AnnualLOM
Gold koz 891,068
Silver koz  ......  Subscription required  ......  Subscription required
Zinc k lbs  ......  Subscription required
Lead k lbs  ......  Subscription required
Gold Equivalent koz  ......  Subscription required  ......  Subscription required
All production numbers are expressed as payable metal.

Operational Metrics:

Metrics
Daily ore mining rate  ......  Subscription required
Waste tonnes, LOM  ......  Subscription required
Ore tonnes mined, LOM  ......  Subscription required
Daily processing capacity  ......  Subscription required
Tonnes processed, LOM  ......  Subscription required
Annual processing rate  ......  Subscription required
Annual ore mining rate  ......  Subscription required
* According to 2020 study.
Subscription required - Subscription is required.

Reserves at January 27, 2020:
P&E is of the opinion that the current Mineral Resource Estimate meets the reasonable prospect of economic extraction due to the approximate 7.0 g/t AuEq average grade and the $110/t NSR cut-off (equal to approx. 3.5 g/t AuEq).

CategoryTonnage CommodityGradeContained Metal
Measured & Indicated 5.27 Mt Gold 6.81 g/t 518,400 oz
Measured & Indicated 5.27 Mt Silver 66.95 g/t 5,097,000 oz
Measured & Indicated 5.27 Mt Zinc 3.62 % 190.9 kt
Measured & Indicated 5.27 Mt Lead 2.01 % 106.1 kt
Measured & Indicated 5.27 Mt Gold Equivalent 7.5 g/t 1.28 M oz
Inferred 4.96 Mt Gold 4.27 g/t 682 koz
Inferred 4.96 Mt Silver 59.4 g/t 9,474 koz
Inferred 4.96 Mt Zinc 2.48 % 123.4 kt
Inferred 4.96 Mt Lead 1.8 % 89.3 kt
Inferred 4.96 Mt Gold Equivalent 6.33 g/t 1.01 M oz

Commodity Production Costs:

CommodityUnitsAverage
Cash costs Gold Equivalent USD  ......  Subscription required&nbs
Cash costs Gold USD  ......  Subscription required *†
All-in sustaining costs (AISC) Gold Equivalent USD  ......  Subscription required&nbs
All-in sustaining costs (AISC) Gold USD  ......  Subscription required *†
All-in costs Gold Equivalent USD  ......  Subscription required&nbs
Assumed price Lead USD  ......  Subscription required&nbs
Assumed price Zinc USD  ......  Subscription required&nbs
Assumed price Silver USD  ......  Subscription required&nbs
Assumed price Gold USD  ......  Subscription required&nbs
* According to 2020 study / presentation.
† Net of By-Product.
Subscription required - Subscription is required.

Operating Costs:

Units2020
UG mining costs ($/t milled) CAD 62.4 *
Processing costs ($/t milled) CAD  ......  Subscription required
G&A ($/t milled) CAD  ......  Subscription required
Total operating costs ($/t milled) CAD  ......  Subscription required
* According to 2020 study.
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2020 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Pre-Production capital costs $M CAD  ......  Subscription required
Sustaining CapEx $M CAD  ......  Subscription required
Closure costs $M CAD  ......  Subscription required
Total CapEx $M CAD  ......  Subscription required
UG OpEx $M CAD  ......  Subscription required
Processing OpEx $M CAD 653.3
G&A costs $M CAD 76.1
Total OpEx $M CAD  ......  Subscription required
Total Taxes $M CAD  ......  Subscription required
Net revenue (LOM) $M CAD  ......  Subscription required
Operating margin (LOM) $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 @ 10% $M CAD  ......  Subscription required
Pre-tax NPV @ 7.5% $M CAD  ......  Subscription required
After-tax NPV @ 5% $M CAD  ......  Subscription required
After-tax NPV @ 10% $M CAD  ......  Subscription required
After-tax NPV @ 7.5% $M CAD  ......  Subscription required
Pre-tax IRR, %  ......  Subscription required
After-tax IRR, %  ......  Subscription required
After-tax payback period, years  ......  Subscription required
Subscription required - Subscription is required.


Proposed Heavy Mobile Equipment as of December 8, 2020:
HME TypeSizeQuantity
ANFO Loader ....................... Subscription required
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Subscription required - Subscription is required.

Mine Management:

Job TitleNamePhoneEmailProfileRef. Date
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Nov 8, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Dec 8, 2020
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Dec 8, 2020
....................... Subscription required ....................... Subscription required Subscription required Nov 8, 2022
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2020

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2020
Corporate Presentation 2016
Preliminary Economic Assessment 2012
Subscription required - Subscription is required.

News:

NewsDate
Rokmaster samples 18.26 g/t AuEq over 3.50 m on Revel North Project December 19, 2022

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