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Turkiye
Oksut Mine

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 Location:
48 km S from Kayseri, Turkiye

  Address:
Reserve District 504. Sokak No: 701 Develi
Kayseri
Turkiye
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Fax+90-312-442-88-30
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  • Overview
  • Owners
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  • Mining
  • Processing
  • Production
  • Reserves
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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Gold
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life2028
The Öksüt mine achieved first gold pour on January 31, 2020 and achieved commercial production on May 31, 2020.

The ADR plant at the Öksüt Mine remains on a shutdown since early March due to mercury detected in the gold room. Mining, crushing, stacking and heap leaching activities continue at the site while the Company is evaluating different options to address the issue.


Owners

Source: p. 44
CompanyInterestOwnership
Centerra Gold Inc. 100 % Indirect
Öksüt Madencilik Sanayi ve Ticaret A.S. (operator) 100 % Direct

Contractors

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Deposit Type

  • Epithermal
  • Porphyry
  • Breccia pipe / Stockwork


Summary:

The Öksüt Project is a high-sulphidation epithermal gold deposit within the Central Anatolian Volcanic Province, part of the Tethyan Metallogenic Belt. The belt extends from southeastern Europe across Turkey, the Caucasus, and on into Pakistan and contains a number of important gold and porphyry copper deposits. Magmatic activity and related ore forming processes are the result of the closure of the Tethyan Ocean in response to the collision between the northmoving Arabian Plate with the Eurasian Plate that began in the late Cretaceous period and continues today.

Öksüt gold mineralization is hosted within the Develidag Volcanic Complex, one of the numerous stratovolcanoes situated along the Central Anatolian Fault Zone (CAFZ). The volcanic complex is composed of Miocene basaltic-andesitic volcanic domes, pyroclastic rocks, and lava flows. Flow-banded Pliocene andesite overlies these sequences and the Öksüt mineralization to the north and east.

There are several gold occurrences in the Öksüt Project area, the most important of which is the Keltepe Deposit. The distribution of the alteration assemblages and the gold grades at the Keltepe Deposit are strongly zoned, with a central massive silica breccia having the highest gold grade. This core is surrounded by quartz-alunite altered volcanic rocks, and as the alteration intensity diminishes outwardly, the gold grade decreases.

The Keltepe Deposit has been oxidized to depth, up to 400 m below the ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The Öksüt Mine is a conventional truck and excavator open pit mine. Material is drilled and blasted, before being loaded and hauled to the waste dump, crusher, or the various ore stockpiles depending on the most profitable way to process the material. The two pits of the Öksüt Mine are mined simultaneously – the main Keltepe pit (mining started August 16, 2019) and the small satellite Güneytepe pit (mining started September 3, 2019). A total of approximately 29.4 Mt of ore at a grade of 1.35 g/t Au, containing a total of approximately 1.3 million ounces of gold (as of December 31, 2019), is planned to be mined and stacked over a mine life of eight years from the two open pits. We are using a mining contractor to do all mining using small excavators and 36 tonne trucks. The use of this equipment among mining contractors is common in Turkey. The mining contractor will provide and maintain all equipment, and will perform drill, blast, load, haul, and road and dump maintenance on a unit cost basis. OMAS will provide oversight of the mining operations, grade control, survey control, mine planning, and other required technical services.

The Keltepe pit is being developed in three cutbacks to smooth stripping requirements and mine higher grade material earlier in the mine life. The smaller Güneytepe pit will be developed in two cutbacks. Lower grade material will be stockpiled throughout the project for processing at the end of the mine life.


Crushing and Grinding
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Processing

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Summary:

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^ Guidance / Forecast.

Production:

CommodityUnits202220212020LOM (Projected)
Gold oz  ......  Subscription required ^  ......  Subscription required  ......  Subscription required895,000
All production numbers are expressed as metal in doré. ^ Guidance / Forecast.
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Operational Metrics:

Metrics20212020
Total tonnes mined  ......  Subscription required  ......  Subscription required
Ore tonnes mined  ......  Subscription required  ......  Subscription required
Tonnes processed  ......  Subscription required  ......  Subscription required
Daily processing capacity  ......  Subscription required  ......  Subscription required
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Reserves at December 31, 2021:
The open pit mineral reserves and resources are estimated based on 0.16 g/t Au cut-off grade.

CategoryTonnage CommodityGradeContained Metal
Proven 494 kt Gold 1.23 g/t 20 koz
Probable 30,034 kt Gold 1.16 g/t 1,123 koz
Proven & Probable 30,528 kt Gold 1.16 g/t 1,143 koz
Measured 17,720 kt Gold 0.5 g/t 283 koz
Measured & Indicated 17,720 kt Gold 0.5 g/t 283 koz
Inferred 1,215 kt Gold 0.44 g/t 17 koz

Commodity Production Costs:

CommodityUnits202220212020
Cash costs (sold) Gold USD  ......  Subscription required&nbs  ......  Subscription required  ......  Subscription required
All-in sustaining costs (sold) Gold USD  ......  Subscription required&nbs  ......  Subscription required
All-in sustaining costs (sold) Gold USD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required†
All-in costs Gold USD  ......  Subscription required ^†  ......  Subscription required†  ......  Subscription required†
^ Guidance / Forecast.
† Net of By-Product.
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Operating Costs:

Units2020
OP mining costs ($/t mined) USD 1.77
Processing costs ($/t milled) USD  ......  Subscription required
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Financials:

Units202220212020
Capital expenditures (planned) M USD  ......  Subscription required
Sustaining costs M USD  ......  Subscription required  ......  Subscription required
Capital expenditures M USD  ......  Subscription required  ......  Subscription required
Revenue M USD  ......  Subscription required  ......  Subscription required
Operating Income M USD  ......  Subscription required  ......  Subscription required
Earnings M USD  ......  Subscription required  ......  Subscription required
Operating Cash Flow M USD  ......  Subscription required  ......  Subscription required
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Proposed Heavy Mobile Equipment as of June 30, 2015:
HME TypeSize
Drill 171 mm
....................... Subscription required ....................... Subscription required
....................... Subscription required
....................... Subscription required ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jun 12, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 12, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 12, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 12, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 12, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 12, 2022
Subscription required - Subscription is required.

Staff:

EmployeesYear
Subscription required 2021
Subscription required 2020
Subscription required 2019
Subscription required 2015

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Information Form 2018
Technical Report 2015
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