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Canada
Croinor Project

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 Location:
57 km E from Val d’Or, Quebec, Canada

  Project Contacts:
68 Avenue de la Gare, Office 205
Saint-Sauveur
Quebec, Canada
J0R 1R0
Phone  ...  Subscription required
Fax514 840-9709
EmailEmail
WebsiteWeb
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  • Overview
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Overview

StagePermitting
Mine TypeUnderground
Commodities
  • Gold
Mining Method
  • Sub-level stoping
  • Longhole stoping
  • Room-and-pillar
Mine Life2.6 years (as of Jan 1, 2018)
Croinor Gold is a development project with an underexplored district scale land package. Croinor Gold is past producing mine; close to all infrastructure. Current steps: seeking financing package or partnership.

Monarch Mining Corporation has a certificate of authorization for mine operations at the Croinor Property.


Owners

Source: p. 5
CompanyInterestOwnership
Monarch Mining Corp. 100 % Indirect
Monarch Mining Corp. beneficially owns 100% of the voting shares of X-Ore Resources Inc. X-Ore currently holds the Croinor Property.

Contractors

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Deposit Type

  • Vein / narrow vein


Summary:

The Croinor Property deposit is hosted by the synvolcanic Croinor Property sill, which has a general attitude of N295° and dips north at 50°–65°. The sill ranges from 60 to 120 m in thickness over a strike length of approximately 3 km. It can be observed on several outcrops and is intersected by numerous drill holes. Near the Croinor Property deposit, the sill is in direct contact with pyroclastic units. Elsewhere, the sill is in contact with fragmental volcanic rocks, and sometimes with massive volcanic rocks. Generally, the northern and southern contacts of the sill with the enclosing volcanic rocks are clearly observed by the sudden appearance or disappearance of pyroclastic fragments. The northern and southern contacts are generally foliated parallel to the regional S2 schistosity. They are strongly foliated to sheared in places, but practically undeformed in others

The Croinor Property deposit gold-rich lenses are made of quartz-carbonate-tourmaline-pyrite veins, altered pyritic host rock material, and/or tectonic breccia (pyritic host fragments within a quartz-carbonate tourmaline-pyrite vein). These mineralized lenses are spatially controlled by reverse-oblique shear zones that crosscut and displaces both the lenses and its dioritic host. A hydrothermal alteration halo surrounds these structures. Zoning begins with an epidote-chlorite envelope that gradually changes into a chlorite carbonate zone closer to the shear. Within the shear structure itself, the ho ........


Mining Methods

  • Sub-level stoping
  • Longhole stoping
  • Room-and-pillar


Summary:

Two mining methods are proposed to accommodate the geometry of the mineralization: sublevel long-hole retreat and conventional room and pillar.

Long-hole method
The long-hole stopes will be mined from 3-m-high levels at 15 m vertical intervals. For stope heights exceeding 13 m, the maximum stope panel was defined as 15 m long. It is assumed that only a small number of stopes will be backfilled and that some pillars will be left between panels and mining horizons. For stope heights of 13 m or less, longer stope panels were considered on a case by case basis.

The method consists of drilling and blasting 64 mm diameter holes in a pattern parallel to the walls. Holes are drilled upward or downward depending on the context.

The development sequence consists of accessing the mineralized zone and excavating a level cut in the mineralized zone. The mining sequence will require the excavation of a raise opening, which is either developed as a conventional raise or as a drop raise when a top access is available. Once development is completed, the mineralized zone is surveyed with precision for the preparation of the drilling and blasting pattern.

Room and pillar
In some areas, room and pillar was a technically better choice than long-hole due to the ore body angle lower than 43°. The proposed room and pillar stope configuration is based on typical industry practices for currently operating mines in deposits with similar v ........


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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Projected Production:

CommodityUnitsAvg. AnnualLOM
Gold oz 31,472125,889
All production numbers are expressed as metal in doré.

Operational Metrics:

Metrics2022
Daily milling capacity  ......  Subscription required
Daily milling rate  ......  Subscription required575 t *
Daily ore mining rate  ......  Subscription required575 t *
Waste tonnes, LOM  ......  Subscription required399,875 t *
Ore tonnes mined, LOM  ......  Subscription required602,994 t *
Total tonnes mined, LOM  ......  Subscription required1,002,869 t *
Tonnes milled, LOM  ......  Subscription required602,994 t *
* According to 2018 study.
Subscription required - Subscription is required.

Reserves at June 17, 2022:
The mineral resources were compiled using cut-off grades of 4 g/t Au for stopes mined by the long-hole method and 5.1 g/t Au for stopes mined by room & pillar.

CategoryTonnage CommodityGradeContained Metal
Measured 97,700 t Gold 6.24 g/t 19,600 oz
Indicated 805,900 t Gold 6.5 g/t 168,300 oz
Measured & Indicated 903,600 t Gold 6.47 g/t 187,900 oz
Inferred 200,100 t Gold 6.19 g/t 39,800 oz

Commodity Production Costs:

CommodityUnitsAverage
Cash costs Gold USD 639 / oz *  
Total cash costs Gold USD 902 / oz *  
Assumed price Gold USD 1,280 / oz *  
* According to 2018 study / presentation.

Operating Costs:

Units2018
UG mining costs ($/t milled) CAD 41.8 *
Processing costs ($/t milled) CAD  ......  Subscription required
Total operating costs ($/t milled) CAD  ......  Subscription required
* According to 2018 study.
Subscription required - Subscription is required.

2018 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Pre-Production capital costs $M CAD  ......  Subscription required
Sustaining CapEx $M CAD  ......  Subscription required
Total CapEx $M CAD  ......  Subscription required
UG OpEx $M CAD  ......  Subscription required
Processing OpEx $M CAD 11
Transportation (haulage) costs $M CAD 4.3
Total OpEx $M CAD  ......  Subscription required
Total Taxes $M CAD  ......  Subscription required
Gross revenue (LOM) $M CAD  ......  Subscription required
EBITDA (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
After-tax NPV @ 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 March 22, 2018:
HME TypeSizeQuantityLeased or
Contractor
Drill (long hole) ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
....................... 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 ....................... Subscription required Leased
Subscription required - Subscription is required.

Mine Management:

Job TitleNamePhoneEmailProfileRef. Date
....................... Subscription required ....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Jan 11, 2022
....................... Subscription required ....................... Subscription required Subscription required Mar 22, 2018
....................... Subscription required ....................... Subscription required Subscription required Mar 22, 2018
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Annual Information Form 2022
Corporate Presentation 2022
Technical Report 2022
................................... Subscription required 2020
Pre-Feasibility Study Report 2018
Pre-Feasibility Study Report 2014
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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