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South Africa
Namaqualand Mine

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 Location:
60 km S from Port Nolloth, South Africa

  Address:
1st Floor, Block B De Wagenweg Office Park Stellentia Street
PO Box 31
Stellenbosch
South Africa
7600
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News

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Overview

StatusInactive / Suspended
Mine TypeOpen Pit
Commodities
  • Diamond
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life12 years (as of Jan 1, 2016)
The group’s plans to sell its 67.2% stake in West Coast Resources (the old De Beers Namaqualand diamond mines) fell through when talks with prospective buyers Kernel Resources were terminated.

This has meant West Coast Resources is not in a position to meet its working capital requirements without it receiving the necessary funding.

Instead of injecting in new working capital, Trans Hex has opted to apply for West Coast Resources to be placed into provisional liquidation.


Owners

Source:
CompanyInterestOwnership
Namaqualand Diamond Fund Trust 4 % Indirect
Dinoka Investment Holdings (Pty) Ltd 8.8 % Indirect
Trans Hex Group Ltd. 67.2 % Indirect
West Coast Resources (operator) 100 % Direct
West Coast Resources is a diamond-mining company with operations in the Namaqualand region of the Northern Cape. The Company is owned by Trans Hex Group Ltd (67,2%), the State (Department of Public Enterprises) (20,0%), Dinoka Investment Holdings (Pty) Ltd (8,8%) and the Namaqualand Diamond Fund Trust (4,0%).

At an ownership level, the Group has acquired an additional 27,2% shareholding in West Coast Resources (Pty) Ltd on 1 February 2018, effectively securing a majority stake of 67,2% in the company and its Namaqualand operations.

Contractors

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Deposit Type

  • Kimberlite


Summary:

A host of diamond placers of variable age have been deposited on the Namaqualand coastal plain. The source of the diamond populations in these placers were primary diamondiferous kimberlite pipes located on the South African Kaapvaal Craton. Extensive erosion of these kimberlites released the diamonds into fluvial systems that transported them vast distances to the Atlantic coast. A portion of the diamonds were deposited in fluvial deposits of different ages on the coastal plain, however the majority were carried into the marine environment and deposited and reconcentrated in beach terraces. The abrasive fluvial and marine transport mechanisms have, effectively, removed a high percentage of the poorer quality diamonds from the secondary placer deposits, thus providing a diamond population that is 95% gem quality. The active nature of the tectonic framework of the Namaqualand region during the Cretaceous and Tertiary resulted in a complex structural setting that played a major role in the continuously evolving rift-flank drainage pattern adjacent to this area. As a result, the diamond placers on the Namaqualand coastal plain are complex due to continuous reworking of deposited diamondiferous fluvial sediments which resulted in a highly variable suite of placer deposits in terms of mineralisation style and diamond grade (stone density and stone size).

Most of the earliest placer and associated sedimentary deposits have been reworked completely, thus making it difficu ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Open pit mining methods are used to expose the diamond-bearing ore which lies beneath varying depths of sandy overburden. Before the initial cut is opened, topsoil is removed and stockpiled for use in reclamation.

Current mining methods include truck-and-shovel operations. After stripping, the majority of exposed ore is dozed into windrows and loaded into trucks for transportation to the treatment plants. Teams of bedrock workers using either mechanised or manual methods collect the remaining ore. The ore is routed via road by trucks to beneficiation plants. Reclamation or rehabilitation is conducted concurrent to mining activities.


Crushing and Grinding


Processing

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Summary:

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Production:

CommodityUnits2019201820172016
Diamond carats  ......  Subscription required173,92080,50624,930
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Operational Metrics:

Metrics2016
Ore tonnes mined 50,000 cu. m

Reserves at December 31, 2019:

CategoryTonnage CommodityGradeContained carats
Proven 17,280,191 cu. m Diamond 0.3178 carats/cu.m 456,050 carats
Indicated 69,699,452 cu. m Diamond 0.1878 carats/cu.m 1,065,309 carats
Inferred 697,755,225 cu. m Diamond 0.93 carats/cu.m 3,841,763 carats

Operating Costs:

Units2016
OP mining costs ($/t mined) ZAR 561
Processing costs ($/t milled) ZAR  ......  Subscription required
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Financials:

Units2016
Capital expenditures M ZAR 94  



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Oct 6, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 6, 2022
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Staff:

Total WorkforceYear
Subscription required 2018

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Annual Report 2017
Annual Information Form 2016
Year-end Mineral Reserves 2011
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