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Australia
Hope Downs Mine

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 Location:
75 km NW from Newman, Western Australia, Australia

  Regional Office:
152-158 St Georges Terrace
Perth
Western Australia, Australia
6000
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Iron Ore
Mining Method
  • Truck & Shovel / Loader
Production Start...
Hope Downs comprises three successful major open pit mines (Hope 1 North, Hope 1 South and Hope 4) producing high-grade lump and fines products.


Owners

Source: p. 384,386
CompanyInterestOwnership
Rio Tinto plc 50 % Indirect
Hancock Prospecting Pty. Ltd. 50 % Indirect
Rio Tinto operates Hope Downs 1 and Hope Downs 4 mines via Joint venture between Rio Tinto and Hancock Prospecting.

Contractors

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Deposit Type

  • Banded iron formation


Summary:

The Hope Downs mine is located in the Hamersley Group which forms the middle layer of Mount Bruce Group in the Marra Mamba Iron Formation.

The Marra Mamba Iron Formation is the lowermost unit of the Proterozoic Hamersley Group in the northwestern part of Western Australia.

The Marra Mamba Iron Formation varies considerably in thickness, as based on sections measured in the field; however, not enough drill hole data are available to provide a quantitative assessment of its thickness variation throughout the Hamersley Range. Trendall and Blockley repoft a thickness range of 183 to 229 m based on sections mearPresent address: Department of Geology, Georgia State Univcrsity, Atlanta, Georgia

Others report thicknesses that range from a minimum of 15 m to 183 m (Macleod, 1966) for sections in different parts of the Hamersley Range. The Marra Mamba lron Formation is underlain by the Jeerinah Formation which is the uppermost member of the Fortescue Group. This group may be as much as 3660 to 4270 m thick and consists of shales and cherts in the upper part.


Mining Methods

  • Truck & Shovel / Loader


Summary:

Rio Tinto operates Hope Downs 1 and Hope Downs 4 mines via Joint venture between Rio Tinto and Hancock Prospecting.

Mining Operations
Hope Downs mines are conventional open pits using track and shovel mining method with preliminary drilling and blasting. The drill holes are filled with an explosive, most often ANFO (Ammonium Nitrate/Fuel Oil) and then charged. The resulting blast breaks the material to a size required for digging.

The broken material is loaded for transport by face shovels, excavators or front-end loaders into haul trucks. Haul trucks at our operations are typically in the 190 tonne and 240 tonne class. Overland conveyors are used to transport partially crushed feed at sites where there are long distances between the pits and process plants.


Crushing and Grinding


Processing

Source: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits2021202020192018201720162015
Iron Ore kt  ......  Subscription required  ......  Subscription required  ......  Subscription required45,36846,94147,01044,745
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Reserves at December 31, 2020:

CategoryTonnage CommodityGrade
Proven & Probable 238 Mt Iron 62.3 %
Total Resource 1,573 Mt Iron 60.5 %



Heavy Mobile Equipment as of December 31, 2015:
HME TypeModelQuantity
Truck (haul) ....................... Subscription required ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required May 9, 2022
....................... Subscription required ....................... Subscription required Subscription required May 9, 2022
....................... Subscription required ....................... Subscription required Subscription required May 9, 2022
....................... Subscription required ....................... Subscription required Subscription required May 9, 2022
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Annual Report 2017
Press Release 2017
Annual Report 2016
Annual Report 2015
Other 1981
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