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Morocco
Boumadine Project

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 Location:
75 km SW from Errachidia, Morocco

  Project Contacts:
1320 Graham, suite 132
Ville Mont-Royal
Quebec, Canada
H3P 3C8
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
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  • Filings & News

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Overview

StagePreliminary Economic Assessment
Mine TypeOpen Pit & Underground
Commodities
  • Gold
  • Silver
  • Zinc
  • Lead
  • Germanium
  • Gold Equivalent
Mining Method
  • Truck & Shovel / Loader
  • Cut & Fill
  • Longhole open stoping
  • Dry waste backfill
Mine Life12 years (as of Jan 1, 2019)
Latest NewsAya Gold & Silver Confirms Discovery of Parallel Zones and Extends High-Grade Mineralization at Boumadine     February 14, 2023


Owners

Source: p. 2
CompanyInterestOwnership
L'Office Nationale des Hydrocarbures et des Mines 15 % Indirect
Aya Gold & Silver Inc. 85 % Indirect
The Boumadine polymetallic deposit mine is owned since 2013 by Aya Gold & Silver (Aya owns 85% in joint venture with l’Office National des Hydrocarbures et des Mines (ONHYM) of the Kingdom of Morocco (15%)).

Contractors

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Deposit Type

  • Vein / narrow vein
  • Epithermal


Summary:

The Boumadine deposit is described as shallow mineralizing system similar to volcanic-hosted epithermal veins developed in subaerial resurgent caldera environments (Bouabdellah and Levresse, 2016; Abia et al., 2003).

Mineralization is structurally controlled, consisting of zones of vuggy quartz and veins, veinlets, and tectonic-hydrothermal breccias.

Three successive and overlapping stages of mineralization are distinguished (Ait Saadi, 1992; Abia et al., 2003; Bouabdellah and levresse, 2016). The origin of the mineralization is probably the mixing between ascending deep seated fluid and meteoric waters that have generated precipitation of precious- and associated base-metal mineralization.

The Boumadine mineralization is structurally controlled and comprises a system of subvertical veins, veinlets, cemented breccias within veins and filling of tension gashes veins. Mineralized structures occur exclusively within the rhyolitic sequence of the Tamerzaga Formation.

The orientation of the mineralized structures is related to Ediacaran transcurrent tectonics represented by N30 to N-S strike-slip fault zones (Freton, 1988; Ait Saadi, 1992; Abia et al., 1999, 2003). The mineralization and associated alterations are developped at the proximity of magmatic vents. Alteration, which appears around the mineralization, develops an assemblage of major quartz and white micas with minor quantities of chlorite and calcite (Ait Saadi, 1992).


Mining Methods

  • Truck & Shovel / Loader
  • Cut & Fill
  • Longhole open stoping
  • Dry waste backfill


Summary:

For the purpose of the PEA, mineral resources in all categories have been considered in the mining evaluation. The mineral resources considered includes the vertical interval from: surface (1150zm elevation) to the 915zm elevation for CENTRE zone; surface (1248zm elevation) to the 997zm elevation for SUD zone; surface (1225zm elevation) to the 978zm elevation for TIZI zone; surface (1220zm elevation) to the 1080zm elevation for NORD zone; surface (1198zm elevation) to the 1078zm elevation for IMARIREN zone.

The mineralized zones are mainly subvertical with a wide variation in thickness.

It is schedule to start mining by open pit for the first two years the top of IMARIREN zone and mining underground the CENTRE and NORD zone, simultaneously. The financial analysis presumes that all IMARIREN is being extracted by underground method cost wise.

In order to minimize development requirements and take advantage of the polymetallic deposit geometry, the cut-and-fill mining method was selected for underground exploitation. This mining method is also considered ideal for steeply dipping high grade deposits and highly selective. It is also recommended to use the open long-hole mining method with sub-levels for the wider deposits of each zones.

There will be two main stoping methods. The majority of the mining will be done through a cut-and-fill type method. A jumbo type is drilling a section, blasting it up to the end of the zone. After the w ........


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityUnitsAvg. AnnualLOM
Gold oz 327,226
Silver oz  ......  Subscription required
Zinc t  ......  Subscription required
Lead t  ......  Subscription required
Germanium kg  ......  Subscription required
Gold Equivalent oz  ......  Subscription required  ......  Subscription required

Operational Metrics:

Metrics
Daily ore mining rate 2,000 t *
Ore tonnes mined, LOM 7.59 Mt *
Daily processing rate 2,000 t *
Tonnes processed, LOM 7.59 Mt *
Annual processing rate 660 kt *
Annual ore mining rate 660 kt *
* According to 2019 study.

Reserves at April 29, 2019:
A cut-off grade of 85USDEq was applied for the underground mineral resources.

CategoryTonnage CommodityGradeContained Metal
Measured 337 kt Gold 3.89 g/t
Measured 337 kt Silver 142.12 g/t
Measured 337 kt Zinc 0.54 %
Measured 337 kt Lead 0.13 %
Measured 337 kt Gold Equivalent 6.02 g/t 65 koz
Indicated 2,195 kt Gold 1.57 g/t
Indicated 2,195 kt Silver 127.88 g/t
Indicated 2,195 kt Zinc 3.06 %
Indicated 2,195 kt Lead 1.2 %
Indicated 2,195 kt Germanium 3.9 g/t
Indicated 2,195 kt Gold Equivalent 6 g/t 423 koz
Measured & Indicated 2,532 kt Gold 1.88 g/t
Measured & Indicated 2,532 kt Silver 129.77 g/t
Measured & Indicated 2,532 kt Zinc 2.73 %
Measured & Indicated 2,532 kt Lead 1.06 %
Measured & Indicated 2,532 kt Germanium 3.38 g/t
Measured & Indicated 2,532 kt Gold Equivalent 6 g/t 489 koz
Inferred 6,451 kt Gold 1.56 g/t
Inferred 6,451 kt Silver 89.55 g/t
Inferred 6,451 kt Zinc 2.73 %
Inferred 6,451 kt Lead 1.16 %
Inferred 6,451 kt Germanium 5.08 g/t
Inferred 6,451 kt Gold Equivalent 5.31 g/t 1,102 koz

Commodity Production Costs:

CommodityUnitsAverage
Assumed price Germanium 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 2019 study / presentation.

Operating Costs:

Units2019
UG mining costs ($/t milled) USD 27.7 *
Processing costs ($/t milled) USD  ......  Subscription required
G&A ($/t milled) USD  ......  Subscription required
Total operating costs ($/t milled) USD  ......  Subscription required
* According to 2019 study.
Subscription required - Subscription is required.

2019 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
UG OpEx $M USD  ......  Subscription required
Processing OpEx $M USD 347.3
Refining and transportation $M USD  ......  Subscription required
Total OpEx $M USD  ......  Subscription required
Gross revenue (LOM) $M USD  ......  Subscription required
EBITDA (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
Pre-tax NPV @ 6.5% $M USD  ......  Subscription required
After-tax NPV @ 5% $M USD  ......  Subscription required
After-tax NPV @ 6.5% $M USD  ......  Subscription required
Pre-tax IRR, %  ......  Subscription required
After-tax IRR, %  ......  Subscription required
After-tax payback period, years  ......  Subscription required
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Pipelines and Water Supply
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Proposed Heavy Mobile Equipment as of April 24, 2019:
HME TypeModelQuantityLeased or
Contractor
Cassette Truck ....................... 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 Subscription required Feb 6, 2023
....................... Subscription required ....................... Subscription required Subscription required Feb 6, 2023
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2019

Corporate Filings & Presentations:

DocumentYear
Management Discussion & Analysis 2022
................................... Subscription required 2019
................................... Subscription required 2019
Subscription required - Subscription is required.

News:

NewsDate
Aya Gold & Silver Confirms Discovery of Parallel Zones and Extends High-Grade Mineralization at Boumadine February 14, 2023

Subscription required - Subscription is required.

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