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Turkiye
Gediktepe Mine

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 Location:
67 km SE from Balikesir, Turkiye

  Regional Office:
Ak Plaza No: 7 / 7 Kat: 1
Yasam Caddesi, Yenimahalle
Ankara
Turkiye
06560
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Fax(0-312)-219-01-67
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Gold
  • Silver
  • Copper
  • Zinc
  • Lead
Mining Method
  • Truck & Shovel / Loader
Mine Life11 years (as of Jan 1, 2019)


Owners

Source:
CompanyInterestOwnership
SSR Mining Inc. 50 % Indirect
Lidya Madencilik San. ve Tic. A.S. 50 % Indirect
On July 17, 2019, SSR announced the sale its 50% non-operating interest in the Gediktepe Project to its joint venture partner Lidya Madencilik Sanayi ve Ticaret A.S.

Contractors

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Deposit Type

  • Skarn
  • Vein / narrow vein


Summary:

From a mineralogical perspective, the Gediktepe deposit is characterised as a massive sulphide skarn, in which processes such as weathering, leaching by the acidic (pH 5.5) groundwater, and oxidation of the sulphides in the upper regions have depleted sulphur and base metals, leaving an oxide zone.

Disseminated pyrite mineralisation, or veins of massive sulphide in the host rock, have sometimes been referred to as transitional sulphide, only because the massive sulphide mineralisation abundance is diminishing to waste grades as a result of phenomena other than post-emplacement alteration of the minerals.

The mineralisation at Gediktepe is associated with greenschist facies schist units, with the main mineralisation host rock unit being chlorite–sericite schist of the Upper Paleozoic. The mineralisation is thought to be developed syn-genetically in sedimentary units elongated along a north-east / south-west trending structure zone and metamorphosed to schist. Greenschist minerals are generally actinolite, chlorite, albite, and epidote.

The tabular mineralised zones, particularly within the sulphide horizon, dip gently to the west. In the north-eastern portion of the deposit, mineralised zones may be shallower dipping. In several locations the overall trend is abruptly terminated, and the tabular mineralised zones are displaced downwards to the north-east, indicating post-mineralisation activity. Progressing south-west to north-east across the d ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Open pit mining is planned to be carried out on 2.5 m flitches using small excavators (3–4 m3 capacity) and trucks. Drilling and blasting will be required. All mining services will be performed by a suitably qualified and experienced Turkish mining contractor. It is currently anticipated that the same mining contractor will provide initial construction services, particularly construction of the tailings storage facility (TSF).

Grade control to determine material types and ore boundaries will be performed based on blasthole sampling and assaying, and under the control of the mine geologists. Feed to the process plants is expected to be a combination of both direct tipping and reclaim from ROM stockpiles to ensure optimal feed to the process plant, particularly for sulphides.

On the eastern side of the pit, if the bench faces are cleanly developed and scaled along the foliation such that the bench face slope is formed by the foliation at an average angle of 40°, rockfall hazards will be mostly removed and a minimum 6 m-wide catch bench would likely provide adequate rockfall protection in most cases. Leaving a 6 m-wide catch bench in the slope at 10 m vertical intervals would result in an inter-ramp slope angle of 29°. In the overburden, it is recommended that 5 m-high production benches with bench faces cut at 45° and a minimum 5.7 m-wide catch bench be developed at 5 m vertical intervals (single benches). This bench configuration results in an i ........


Crushing and Grinding
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Processing

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Summary:

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Production:

CommodityProductUnitsAvg. Annual (Projected)LOM (Projected)
Gold Metal in zinc concentrate koz 31
Gold Metal in copper conc. koz 128
Gold Metal in doré koz 187
Gold Total koz 345
Silver Metal in zinc concentrate koz  ......  Subscription required
Silver Metal in copper conc. koz  ......  Subscription required
Silver Metal in doré koz  ......  Subscription required
Silver Total koz  ......  Subscription required
Copper Concentrate kt  ......  Subscription required  ......  Subscription required
Copper Metal in concentrate M lbs  ......  Subscription required
Zinc Concentrate kt  ......  Subscription required  ......  Subscription required
Zinc Metal in concentrate M lbs  ......  Subscription required
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Reserves at March 5, 2019:

CategoryOreTypeTonnage CommodityGradeContained Metal
Proven Sulphide 3,620 kt Gold 0.68 g/t 79 koz
Proven Sulphide 3,620 kt Silver 26.7 g/t 3,105 koz
Proven Sulphide 3,620 kt Copper 1.03 % 37 kt
Proven Sulphide 3,620 kt Zinc 1.93 % 70 kt
Probable Sulphide 14,960 kt Gold 0.89 g/t 429 koz
Probable Oxide 2,755 kt Gold 2.34 g/t 207 koz
Probable Sulphide 14,960 kt Silver 33.1 g/t 15,903 koz
Probable Oxide 2,755 kt Silver 56.7 g/t 5,020 koz
Probable Sulphide 14,960 kt Copper 0.89 % 133 kt
Probable Sulphide 14,960 kt Zinc 1.99 % 298 kt
Proven & Probable Sulphide 18,580 kt Gold 0.85 g/t 509 koz
Proven & Probable Sulphide 18,580 kt Silver 31.8 g/t 19,008 koz
Proven & Probable Sulphide 18,580 kt Copper 0.92 % 170 kt
Proven & Probable Sulphide 18,580 kt Zinc 1.98 % 368 kt
Measured Sulphide 3,999 kt Gold 0.67 g/t 86 koz
Measured Sulphide 3,999 kt Silver 25.1 g/t 3,221 koz
Measured Sulphide 3,999 kt Copper 1.01 % 40 kt
Measured Sulphide 3,999 kt Zinc 1.83 % 73 kt
Measured Sulphide 3,999 kt Lead 0.34 %
Indicated Sulphide 23,544 kt Gold 0.74 g/t 560 koz
Indicated Oxide 2,674 kt Gold 2.71 g/t 233 koz
Indicated Total 26,217 kt Gold 0.94 g/t 792 koz
Indicated Sulphide 23,544 kt Silver 27.6 g/t 20,865 koz
Indicated Oxide 2,674 kt Silver 66.3 g/t 5,703 koz
Indicated Total 26,217 kt Silver 31.5 g/t 26,568 koz
Indicated Sulphide 23,544 kt Copper 0.85 % 200 kt
Indicated Oxide 2,674 kt Copper 0.1 % 3 kt
Indicated Total 26,217 kt Copper 0.78 % 203 kt
Indicated Sulphide 23,544 kt Zinc 1.69 % 399 kt
Indicated Oxide 2,674 kt Zinc 0.1 % 3 kt
Indicated Total 26,217 kt Zinc 1.53 % 402 kt
Indicated Sulphide 23,544 kt Lead 0.33 %
Indicated Oxide 2,674 kt Lead 0.47 %
Indicated Total 26,217 kt Lead 0.34 %
Measured & Indicated Sulphide 27,542 kt Gold 0.73 g/t 645 koz
Measured & Indicated Oxide 2,674 kt Gold 2.71 g/t 233 koz
Measured & Indicated Total 30,216 kt Gold 0.9 g/t 878 koz
Measured & Indicated Sulphide 27,542 kt Silver 27.2 g/t 24,086 koz
Measured & Indicated Oxide 2,674 kt Silver 66.3 g/t 5,703 koz
Measured & Indicated Total 30,216 kt Silver 30.7 g/t 29,790 koz
Measured & Indicated Sulphide 27,542 kt Copper 0.87 % 241 kt
Measured & Indicated Oxide 2,674 kt Copper 0.1 % 3 kt
Measured & Indicated Total 30,216 kt Copper 0.81 % 243 kt
Measured & Indicated Sulphide 27,542 kt Zinc 1.71 % 472 kt
Measured & Indicated Oxide 2,674 kt Zinc 0.1 % 3 kt
Measured & Indicated Total 30,216 kt Zinc 1.57 % 475 kt
Measured & Indicated Sulphide 27,542 kt Lead 0.33 %
Measured & Indicated Oxide 2,674 kt Lead 0.47 %
Measured & Indicated Total 30,216 kt Lead 0.34 %
Inferred Sulphide 2,958 kt Gold 0.53 g/t 51 koz
Inferred Oxide 23 kt Gold 0.95 g/t 1 koz
Inferred Total 2,981 kt Gold 0.54 g/t 51 koz
Inferred Sulphide 2,958 kt Silver 20.2 g/t 1,926 koz
Inferred Oxide 23 kt Silver 21.8 g/t 16 koz
Inferred Total 2,981 kt Silver 20.3 g/t 1,941 koz
Inferred Sulphide 2,958 kt Copper 0.76 % 22 kt
Inferred Oxide 23 kt Copper 0.23 %
Inferred Total 2,981 kt Copper 0.76 % 23 kt
Inferred Sulphide 2,958 kt Zinc 1.16 % 34 kt
Inferred Oxide 23 kt Zinc 0.14 %
Inferred Total 2,981 kt Zinc 1.16 % 34 kt
Inferred Sulphide 2,958 kt Lead 0.27 %
Inferred Oxide 23 kt Lead 0.12 %
Inferred Total 2,981 kt Lead 0.27 %



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Nov 8, 2022
....................... Subscription required ....................... Subscription required Subscription required Mar 26, 2019
....................... Subscription required ....................... Subscription required Subscription required Sep 29, 2021
....................... Subscription required ....................... Subscription required Subscription required Nov 8, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 8, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 8, 2022
....................... Subscription required ....................... Subscription required Subscription required Nov 8, 2022
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Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Pre-Feasibility Study Report 2016
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