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Ghana
Iduapriem Mine

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 Location:
49 km NW from Takoradi, Ghana

  Regional Office:
Gold House, Patrice Lumumba Road
PO Box 2665
Accra
Ghana
Phone  ...  Subscription required
Fax+233-303-778155
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Gold
Mining Method
  • Truck & Shovel / Loader
Production Start...
Latest NewsGold Fields and AngloGold Ashanti propose JV to create Africa’s largest gold mine     March 16, 2023


Owners

Source: p. 18
CompanyInterestOwnership
AngloGold Ashanti Ltd. 100 % Indirect

Contractors

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Deposit Type

  • Conglomerate hosted


Summary:

The Banket Series in the mine lease areas form prominent, arcuate ridges extending southwards from Tarkwa, westwards through Iduapriem and northwards through Teberebie to Mantraim. The ridge segments are supported by a massive lithological unit known as the Footwall Quartzite, which is a strongly-bedded rock of blue-grey colour exhibiting a sub-parallel haematitic/black sand banding and which locally forms the basal stratigraphic unit to the Banket Reef Zone (BRZ).

The BRZ comprises a sequence of individual beds of quartz pebble conglomerates (Banket beds), breccia conglomerates, metasandstones (also called quartzites and grits). All known gold mineralisation within the Banket Formation is associated with the conglomerates and is found within the matrix that binds the pebbles together. Gold content is presumably a function of the size and amount (packing) of quartz pebbles present within a conglomeratic unit- more pebbles present suggest more gold.

Gold mineralisation is hosted by conglomeratic sedimentary packages referred to as zones or reefs and is considered to be of primary palaeoplacer origin. There are four recognized reefs, namely A, B, C and D and which are equivalent to the Tarkwaian Sub-Basal, Basal (or Main), Middle (or West) and Breccia Reefs respectively. The B and C reefs are oligomictic, and consist of well sorted conglomerates and have been mined underground in some areas for over a century. The A and D reefs have a lower gold tenor and ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Iduapriem is a multiple open pit operation that currently sources ore from the Block 3W, Ajopa, and Blocks 7 and 8 pits. More recently the Block 5 pit was re-instated in the mining plan.

Mining operations is conducted via mining contractor, AMAX Mining Services. It uses conventional drill and blast, with truck and excavator load and haul.


Crushing and Grinding
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Processing

Source: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits202120202019201820172016
Gold koz  ......  Subscription required  ......  Subscription required  ......  Subscription required254228214
All production numbers are expressed as metal in doré.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202120202019201820172016
Plant annual capacity  ......  Subscription required  ......  Subscription required
Tonnes processed  ......  Subscription required  ......  Subscription required5.1 Mt5.3 Mt5.1 Mt5.1 Mt
Subscription required - Subscription is required.

Reserves at December 31, 2021:
Reserves cut-off grades are 0.85 g/t Au for ore from Ajopa, 0.80 g/t Au for ore from Block 5, 7, 8 and full grade ore stockpile, 0.60 g/t Au for marginal and other ore stockpiles.

CategoryTonnage CommodityGradeContained Metal
Proven & Probable 59.4 Mt Gold 1.36 g/t 2.6 M oz
Total Resource 130.22 Mt Gold 1.4 g/t 5.88 M oz

Commodity Production Costs:

CommodityUnits202120202019201820172016
Total cash costs Gold USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 804 / oz   823 / oz   908 / oz  
All-in sustaining costs (AISC) Gold USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
All-in sustaining costs (sold) Gold USD 977 / oz   1,033 / oz   950 / oz  
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Financials:

Units202120202019201820172016
Capital expenditures M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 43   51   8  
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Pipelines
TypeMaterialDiameterLengthDescription


Heavy Mobile Equipment as of December 31, 2016:
HME TypeModelQuantityLeased or
Contractor
Excavator ....................... Subscription required ....................... Subscription required Leased
Excavator ....................... Subscription required ....................... Subscription required Leased
Excavator ....................... Subscription required ....................... Subscription required Leased
Excavator ....................... Subscription required ....................... Subscription required Leased
Truck (dump) ....................... Subscription required ....................... Subscription required Leased
Truck (haul) ....................... Subscription required ....................... Subscription required Leased
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required May 25, 2022
....................... Subscription required ....................... Subscription required Subscription required May 25, 2022
....................... Subscription required ....................... Subscription required Subscription required May 25, 2022
....................... Subscription required ....................... Subscription required Subscription required May 25, 2022
....................... Subscription required ....................... Subscription required Subscription required May 25, 2022
....................... Subscription required ....................... Subscription required Subscription required May 25, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2021
Subscription required Subscription required Subscription required 2020
Subscription required Subscription required Subscription required 2019
Subscription required Subscription required Subscription required 2018
Subscription required Subscription required Subscription required 2017
Subscription required Subscription required Subscription required 2016
Subscription required Subscription required Subscription required 2015
Subscription required Subscription required Subscription required 2014

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... 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 2020
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Fact Sheet 2018
Year-end Mineral Reserves 2018
Annual Report 2017
Year-end Mineral Reserves 2017
Annual Report 2016
Corporate Presentation 2016
Year-end Mineral Reserves 2016
Annual Report 2015
Other 2015
Year-end Mineral Reserves 2015
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News:

NewsDate
Gold Fields and AngloGold Ashanti propose JV to create Africa’s largest gold mine March 16, 2023

Subscription required - Subscription is required.

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