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Dominican Republic
Candelones Oxide Project

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 Location:
6 km SE from Restauración, Dominican Republic

  Project Contacts:
Ste. 2704-401 Bay St. P.O. Box 4
Toronto
Ontario, Canada
M5H 2Y4
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Overview

StagePermitting
Mine TypeOpen Pit
Commodities
  • Gold
Mining Method
  • Truck & Shovel / Loader
Mine Life3.3 years (as of Jan 1, 2022)
There are two distinct projects at Candelones: Oxides at surface and Sulphides to the east. While looks at Oxide production only, the integration of the larger sulphide resource into the project planning is expected to enhance the mine life and production profile.

Baseline Environmental and Social Impact Assessment (ESIA) studies at the Candelones Oxide Project are expected to be complete in April 2023.


Owners

Source: p. 1
CompanyInterestOwnership
Unigold Inc. 100 % Indirect
Candelones Oxide Project is 100% owned by Unigold Inc.

Contractors

Subscription required - Subscription is required.


Deposit Type

  • Epithermal
  • Vein / narrow vein
  • Breccia pipe / Stockwork
  • VMS
  • Hybrid
  • Hydrothermal


Summary:

The Candelones Project is comprised of the Candelones Main (CM), Candelones Connector (CC) and the Candelones Extension (CE) deposits. Drilling has now demonstrated that the CM and CC deposits are joined together, and the combined CM and CC deposits are referred to herein as the CMC deposit. The Project is located entirely within the Neita Sur Concession. The Candelones deposits feature anomalous gold, silver, copper, lead and zinc mineralization. To date, all mineralization is confined to brecciated dacite volcanoclastics where they are in contact with andesite volcanics/volcanoclastices (CMC, CE) or dacite volcanics (CM). Mineralization is currently interpreted to be a product of a hybrid type system. Volcanogenic massive sulphide (VMS) in a shallow water, back arc basin setting, is interpreted to have introduced low tenor copper, lead and zinc mineralization, coeval with deposition of the host dacite volcanoclastics, over a widespread area. Post mineral uplift developed extensive folding and faulting, interpreted to have produced extensive brecciation within the dacite volcanoclastic unit. The brecciated dacites offered ideal pathways for later, epithermal mineralization events associated with the late calc-akaline intrusives mapped elsewhere in the Tireo Formation that are possibly largely buried within the Concession limits. Hydrothemal fluid flow related to these buried intrusives is interpreted to have introduced the majority of the gold and silver into the Candelone ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The Candelones Project will employ conventional truck-and-shovel open pit mining techniques. The operations will be fully undertaken by a contractor, with no drilling and blasting activities involved.

The Candelones Oxide Deposit is mined with two pits. The Main Pit, aligned north-west to south-east, measures 650 m along strike and 175 m in width. The Secondary Pit, which is oriented approximately north-south, is 240 m long and 150 m wide. Both pits have an average depth of 30 m.

The Main Pit design assumes access to the highest point in elevation at the north. The Secondary Pit design assumes access in the centre from the west. This provides access to the pushbacks and to shorten haul distances to the leach pad and waste dump from both pits.

No crusher will be utilized over the life of the mine; however, the coarser material will be handled by a ripping process.

The pit will be mined over a period of 39 months (3.3 years) at an average rate of 5,000 t/d.

Ore material will be sent to either the heap leach facility or an ore stockpile; the stockpile will serve as complement to feed the leach pad during the period of low production due to the rainy season. Waste material will be sent to the waste dump storage (WDS) located southeast of the pit.

The mining of the pit will be divided into six pushbacks during the 3.3 years of operation and be executed in 5 m benches.

Mining of the Candelones oxide miner ........


Crushing and Grinding


Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityProductUnitsAvg. AnnualLOM
Gold Payable metal oz 31,426102,970
Gold Metal in doré oz 103,049

Operational Metrics:

Metrics
Stripping / waste ratio  ......  Subscription required
Daily ore mining rate  ......  Subscription required
Waste tonnes, LOM  ......  Subscription required
Ore tonnes mined, LOM  ......  Subscription required
Total tonnes mined, LOM  ......  Subscription required
Daily processing rate  ......  Subscription required
Tonnes processed, LOM  ......  Subscription required
Annual processing capacity  ......  Subscription required
Annual ore mining rate  ......  Subscription required
* According to 2022 study.
Subscription required - Subscription is required.

Reserves at October 7, 2022:
Mineral Reserves Estimates are reported at two different cut-off grades: 0.208 g/t Au for the Oxide and 0.337 /t Au for the Transition.

Mineral Resource Estimate is reported using two different cut-off grades: 0.21 g/t Au for the Oxide rock and 0.34 g/t Au for the Transition rock.

CategoryOreTypeTonnage CommodityGradeContained Metal
Proven Oxide 2,564 kt Gold 0.79 g/t 65,000 oz
Probable Transitional 649 kt Gold 0.62 g/t 13,000 oz
Probable Oxide 2,384 kt Gold 0.57 g/t 43,000 oz
Probable Total 3,033 kt Gold 0.58 g/t 56,000 oz
Proven & Probable Total 5,597 kt Gold 0.67 g/t 121,000 oz
Measured Oxide 2,542 kt Gold 0.83 g/t 67,000 oz
Indicated Transitional 710 kt Gold 0.66 g/t 15,000 oz
Indicated Oxide 2,483 kt Gold 0.6 g/t 48,000 oz
Measured & Indicated Total 5,735 kt Gold 0.71 g/t 130,000 oz
Inferred Transitional 160 kt Gold 0.59 g/t 3,000 oz
Inferred Oxide 1,094 kt Gold 0.43 g/t 15,000 oz
Inferred Total 1,255 kt Gold 0.45 g/t 18,000 oz

Commodity Production Costs:

CommodityUnitsAverage
Cash costs Gold USD  ......  Subscription required&nbs
Total cash costs (sold) Gold USD  ......  Subscription required&nbs
All-in sustaining costs (sold) Gold USD  ......  Subscription required&nbs
All-in costs Gold USD  ......  Subscription required&nbs
Assumed price Gold USD  ......  Subscription required&nbs
* According to 2022 study / presentation.
Subscription required - Subscription is required.

Operating Costs:

Units2022
OP mining costs ($/t milled) USD 4.13 *
Processing costs ($/t milled) USD  ......  Subscription required
G&A ($/t milled) USD  ......  Subscription required
Total operating costs ($/t milled) USD  ......  Subscription required
* According to 2022 study.
Subscription required - Subscription is required.

2022 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Initial CapEx $M USD  ......  Subscription required
Sustaining CapEx $M USD  ......  Subscription required
Closure costs $M USD  ......  Subscription required
Total CapEx $M USD  ......  Subscription required
OP OpEx $M USD  ......  Subscription required
Processing OpEx $M USD 31.1
Refining costs $M USD  ......  Subscription required
G&A costs $M USD 7.3
Total OpEx $M USD  ......  Subscription required
Total Taxes $M USD  ......  Subscription required
Royalty payments $M USD  ......  Subscription required
Gross revenue (LOM) $M USD  ......  Subscription required
Operating margin (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 @ 10% $M USD  ......  Subscription required
Pre-tax NPV @ 7.5% $M USD  ......  Subscription required
After-tax NPV @ 5% $M USD  ......  Subscription required
After-tax NPV @ 10% $M USD  ......  Subscription required
After-tax NPV @ 7.5% $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.

Water Supply

Water supply for the Project will be obtained entirely by collecting rainwater in a surface storage lagoon and pumping it to the required locations around the Project site. The Project site is located in an area of high rainfall and a preliminary water balance has been developed; it is understood from Unigold that sufficient water supply will be available. Groundwater will not be used as a water source, and it is understood from Unigold that groundwater ingress is not expected to occur in open pit mining areas. Any rainwater accumulating in mining areas will be diverted into settlement ponds.


Proposed Heavy Mobile Equipment as of December 20, 2022:
HME TypeModelSizeQuantityLeased or
Contractor
Compactor ....................... 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 ....................... 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 ....................... 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 21, 2023
....................... Subscription required ....................... Subscription required Subscription required Dec 20, 2022
....................... Subscription required ....................... Subscription required Subscription required Dec 20, 2022
....................... Subscription required ....................... Subscription required Subscription required Dec 20, 2022
....................... Subscription required ....................... Subscription required Subscription required Dec 20, 2022
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2022

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2023
Feasibility Study Report 2022
Press Release 2022
................................... Subscription required 2021
................................... Subscription required 2021
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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