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Australia
Argyle Mine

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 Location:
37 km NE from Warmun, Western Australia, Australia

  Regional Office:
Level 16, Central Park 152-158 St George’s Terrace
Perth
Western Australia, Australia
6000
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Overview

StageReclamation
Mine TypeUnderground
Commodities
  • Diamond
Mining Method
  • Block caving
Mine Life2020
The Argyle diamond mine closed on 3 November 2020.

In 2022, was completed the high-reach demolition of structures and processing equipment on site and progressed reprofiling and rehabilitation works.


Owners

Source: p. 227
CompanyInterestOwnership
Rio Tinto plc 100 % Indirect
Argyle Diamond Ltd. 100 % Direct

Contractors

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Deposit Type

  • Lamproite


Summary:


Mining Methods

  • Block caving


Summary:

Argyle’s open pit diamond mine, which ceased operations in August 2013, produced more than 800 million carats of diamonds over its 28-year life. The Argyle diamonds continue at depth and an underground block cave mine has been developed as the safest and most economical way to reach deep into Argyle’s ore body.

Block cave mining involves undercutting the ore body and allowing it to break up or ‘cave’ under its own weight, removing the need for explosives or blasting. The technologically sophisticated underground operation at Argyle is the first block cave mine in Western Australia and one of only two operating in Australia.

The Argyle underground mine is a challenge both in size and complexity. There are around 40 kilometers of tunnels. The main thoroughfares in the underground network are four tunnels – two to carry vehicles, one for ventilation and one for moving ore. There are two large underground crushers and conveyor belts transport the ore from deep in the mine to the surface.


Crushing and Grinding


Processing

Source: Subscription required

Summary:

- subscription is required.


Production:
The Argyle diamond mine closed on 3 November 2020.

CommodityUnits202020192018201720162015
Diamond k carats  ......  Subscription required  ......  Subscription required14,06917,13513,95813,472
All production numbers are expressed as mineral.
Subscription required - Subscription is required.

Operational Metrics:

Metrics201820172016201520142013
Tonnes processed 5 Mt of ore5.1 Mt of ore4.8 Mt of ore3 Mt of ore7.4 Mt of ore
Plant annual capacity 11 Mt of ore

Reserves at December 31, 2018:

CategoryTonnage CommodityGradeRecoverable carats
Probable 11 Mt Diamond 2.2 carats/t 23.1 M carats



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Mar 10, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 10, 2023
Subscription required - Subscription is required.

Staff:

EmployeesYear
Subscription required 2019
Subscription required 2017
Subscription required 2016
Subscription required 2015

Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
................................... Subscription required 2019
Annual Report 2018
Annual Report 2017
Sustainability Report 2017
Annual Report 2016
Sustainability Report 2016
Annual Report 2015
Sustainability Report 2015
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