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South Africa
Venetia Mine

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 Location:
74 km SW from Beitbridge, South Africa

  Address:
PO Box 668
Musina
South Africa
0900
Phone  ...  Subscription required
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Diamond
Mining Method
  • Sub-level caving
Production Start...
Mine Life2047
The Venetia operation is the largest producer of diamonds in South Africa. Open pit mining was completed, as scheduled, in 2022 and the transition is already well under way to convert to underground mining. The $2.1 billion Venetia Underground project is expected to extend the life of the mine to 2047 and yield an estimated 88 million carats.

De Beers has devised an autonomous mining roadmap for its Venetia Underground Mine (VUG) that will – once fully implemented – result in the new $2 billion mine becoming one of the most mechanised and automated mining operations in the world.


Owners

Source:
CompanyInterestOwnership
Government of the Republic of Botswana (GRB) 11.1 % Indirect
Ponahalo Holdings Pty Ltd 26 % Indirect
Anglo American plc. 62.9 % Indirect
Anglo American owns 85% of De Beers Group, the world's leading diamond company. The remaining 15% is owned by the Government of the Republic of Botswana (GRB). De Beers Group and its partners produce around one third of the world's rough diamonds, by value.

De Beers’ legal ownership of De Beers Consolidated Mines (DBCM) and its subsidiaries is 74%. For accounting purposes De Beers consolidates 100% of DBCM as it is deemed to control the BEE entity, Ponahalo, which holds the remaining 26%. The Group’s effective interest in DBCM is 85%.

Contractors

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Deposit Type

  • Kimberlite


Summary:

The Venetia kimberlite cluster was emplaced into the 2 Ga high grade metamorphic Central Zone of the Limpopo Mobile belt. This belt consists of three tectonic units: Southern Marginal Zone, Central Zone and Northern Marginal Zone, intruded by Proterozoic dolerite dykes and sills. The kimberlite cluster consists of 13 pipes and one external dyke. The current Diamond Resource is represented by four of these pipes, i.e. K01, K02, K03 and K04, totalling 27.3 ha at the current land surface. The remaining kimberlites are all less than 1.0 ha in size, with the majority being less than 0.2 ha in size. The regional structure within the Central Zone played a significant role in controlling the emplacement of the kimberlites and resulted in a prominent west-north west orientation of the pipe shapes. The kimberlite bodies are characterised by steep-sided and irregular shapes as a result of the fault, joint and fracture orientations. They consist of several texturally distinct phases of kimberlite, varying from several types of volcaniclastic kimberlite lapilli tuffs to several coherent kimberlite types. All three of the main kimberlites (K01, K02 and K03) are monogenetic pipe complexes characterised by multiple kimberlite emplacement events.


Mining Methods

  • Sub-level caving


Summary:

Open pit mining was completed, as scheduled, in 2022 and the transition is already well under way to convert to underground mining. The $2.1 billion Venetia Underground project (VUP) is expected to extend the life of the mine to 2047 and yield an estimated 88 million carats. The cave mining method allows underground mines to achieve the same type of production rates that are normally associated with open pit mines and this is the case at Venetia. Once in full production, the VUP will produce approximately 6 Mt/y ROM to deliver between 4.5 and 5.5 million carats of diamonds a year. The Venetia Underground Project will extend production at Venetia to at least 2046, and will allow the company to fully access both the K01 and K02 kimberlites at depth. K02 is more uniform in nature and will produce some 4 Mt/y while for K01 has more intrusions and therefore more waste; it will produce about 1.9 Mt/y. The mining method will be a specially modified version of sub-level caving. The mine will use two 1,070 m shafts – production and service, each concrete lined and 7 m in diameter. A twin decline has also been successfully developed and has been utilised to tram waste material from the underground workings to the back fill of the K2 open pit.


Crushing and Grinding
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Processing

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Summary:

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Production:

CommodityUnits2022202120202019201820172016
Diamond k carats  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required4,2494,6023,517
All production numbers are expressed as mineral.
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Reserves at December 31, 2022:
The Diamond Reserves and Resources estimate at a 1.00 mm BCO.

CategoryOreTypeTonnage CommodityGradeContained carats
Probable In-Situ (UG) 93.1 Mt Diamond 72.7 cpht 67.6 M carats
Inferred In-Situ (OP) 3.4 Mt Diamond 23.6 cpht 0.8 M carats
Inferred In-Situ (UG) 68.9 Mt Diamond 77.7 cpht 53.6 M carats


Water Supply
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Heavy Mobile Equipment as of September 7, 2022:
HME TypeModelSizeQuantityStatus
Cable bolter ....................... Subscription required Proposed
....................... Subscription required ....................... Subscription required Proposed
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
Raise boring rig ....................... Subscription required ....................... Subscription required Existing
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Apr 17, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 17, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 17, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 17, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 17, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 17, 2023
....................... Subscription required ....................... Subscription required Subscription required Apr 17, 2023
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Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2018

Corporate Filings & Presentations:

DocumentYear
Integrated Report 2022
Other 2022
Year-end Mineral Reserves 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Other 2018
Year-end Mineral Reserves 2018
Annual Report 2017
Year-end Mineral Reserves 2017
Annual Report 2016
Year-end Mineral Reserves 2016
Annual Report 2015
Other 2015
Year-end Mineral Reserves 2015
Other 2011
Other 2000
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