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Greece
Perama Hill Project

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 Location:
21 km MW from Alexandroupolis, Greece

  Project Contacts:
23A Vasilissis Sofias Avenue
Athens
Greece
10674
Phone  ...  Subscription required
Fax+30-214-687-0095
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StatusCare and Maintenance
Mine TypeOpen Pit
Commodities
  • Gold
  • Silver
Mining Method
  • Truck & Shovel / Loader
Mine Life10 years (as of Jan 1, 2021)
Updated Perama Hill technical study expected in 2022. Exploration potential in the Thrace region, supporting opportunities for growth.


Owners

Source: p. 105
CompanyInterestOwnership
Eldorado Gold Corp. 100 % Indirect
Thracean Gold Mining SA is the 100% owner of the Perama Hill project. Eldorado owns a 100% interest in Thracean Gold.

Contractors

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Deposit Type

  • Breccia pipe / Stockwork
  • Epithermal
  • Stratabound
  • Sediment-hosted


Summary:

The Perama Hill gold deposit is a stratabound, sediment hosted deposit of Eocene to Oligocene age, located at the eastern edge of the Maronia Graben at the contact point with a north northeast trending eastern graben fault. The Perama Hill deposit is described as an initial high sulphidation epithermal system overprinted by typical low sulphidation banded quartz chalcedony, barite, pyrite stockwork veins, and veinlets. Two key controlling factors on the mineralization are the porosity and rock competency contrasts between the volcanic sandstone and underlying andesite package.

The deposit extends 750 m in a north-south direction and up to 300 m in an east-west direction and the thickness varies from 15 m to 20 m at the flanks and up to 125 m at the centre. The gold mineralization has been fed into the system by structurally controlled feeders inside andesitic volcanic breccia and disseminated into overlying porous sandstone units. The central part of the deposit is mushroom-shaped. Eighty percent of the gold is hosted by sandstones and the rest is associated with andesitic volcanic breccia and conglomerates.

Mineralogical studies from the Perama Hill gold deposit indicate that gold mineralization is very uniform throughout the deposit and the gold grain size is small, generally less than 2 µm.

Gold mineralization occurred during the latest stage of silicification and gold bearing siliceous fluids were introduced after structural preparation b ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Conventional open pit mining would be used at Perama Hill. The pit would operate one eight-hour shift, five days per week. The crushing circuit would operate 16 hours per day, seven days per week. The mining and crushing operating hours were reduced in consideration of their proximity to the local village. The processing plant would operate 24 hours per day.

The mine would use seven 33 tonne trucks and two matching backhoes. A front-end loader would be used for the ore stockpile at the crusher. The process plant would primarily use water from recycled sources, a local borehole as well as surface runoff where possible will supplement process water requirements. The TMF would have a structural fill embankment and filtered tailings near the process plant. The TMF would be a double lined system with impermeable GCL and HDPE membranes.


Crushing and Grinding
Source: Subscription required

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Processing

Source: Subscription required

Summary:

- subscription is required.


Projected Production:

CommodityUnitsAvg. Annual
Gold oz 112,000
Silver oz  ......  Subscription required
All production numbers are expressed as metal in doré.

Operational Metrics:

Metrics
Annual ore mining rate  ......  Subscription required
* According to 2021 study.
Subscription required - Subscription is required.

Reserves at September 30, 2021:
Mineral resource cut-off grade is 0.5 g/t Au.
Mineral reserve cut-off grade is 0.73 g/t Au.

CategoryTonnage CommodityGradeContained Metal
Proven 3,088 kt Gold 4.03 g/t 400 koz
Proven 3,088 kt Silver 4 g/t 403 koz
Probable 9,410 kt Gold 2.81 g/t 850 koz
Probable 9,410 kt Silver 8 g/t 2,277 koz
Proven & Probable 12,498 kt Gold 3.11 g/t 1,250 koz
Proven & Probable 12,498 kt Silver 7 g/t 2,680 koz
Measured 3,093 kt Gold 4.15 g/t 412 koz
Measured 3,093 kt Silver 4 g/t 415 koz
Indicated 10,973 kt Gold 2.73 g/t 962 koz
Indicated 10,973 kt Silver 7 g/t 2,579 koz
Measured & Indicated 14,066 kt Gold 3.04 g/t 1,374 koz
Measured & Indicated 14,066 kt Silver 7 g/t 2,994 koz
Inferred 1,136 kt Gold 1.63 g/t 59 koz
Inferred 1,136 kt Silver 2 g/t 83 koz

Commodity Production Costs:

CommodityUnitsAverage
All-in sustaining costs (AISC) Gold USD 480 / oz *†  
C1 cash costs Gold USD 430 / oz *†  
C2 total cash costs Gold USD 465 / oz *†  
Assumed price Silver USD 18 / oz *  
Assumed price Gold USD 1,300 / oz *  
* According to 2016 study / presentation.
† Net of By-Product.

Operating Costs:

Units2016
OP mining costs ($/t mined) USD 4 *
OP mining costs ($/t milled) USD  ......  Subscription required
Processing costs ($/t milled) USD  ......  Subscription required
Total operating costs ($/t milled) USD  ......  Subscription required
* According to 2016 study.
Subscription required - Subscription is required.

2016 Study Costs and Valuation Metrics :

MetricsUnitsLOM Total
Initial CapEx $M USD  ......  Subscription required
Sustaining CapEx $M USD  ......  Subscription required
After-tax Cash Flow (LOM) $M USD  ......  Subscription required
After-tax NPV @ 5% $M USD  ......  Subscription required
After-tax IRR, % $M USD  ......  Subscription required
Subscription required - Subscription is required.


Proposed Heavy Mobile Equipment as of December 31, 2021:
HME TypeSizeQuantity
Backhoe ....................... Subscription required
....................... 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 Apr 13, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2021
Subscription required 2020
Subscription required Subscription required 2018

Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
Form 40-F 2018
Form 40-F 2016
Other 2016
Press Release 2016
Technical Report 2010
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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