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Australia
Eneabba Mine

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 Location:
229 km N from Perth, Western Australia, Australia

  Regional Office:

PO Box 84
Geraldton
Western Australia, Australia
6531
Phone  ...  Subscription required
Fax+61-8-9956-8233
WebsiteWeb
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  • Overview
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  • Geology
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Overview

StageProduction
Mine TypeTailings
Commodities
  • REE
  • Ilmenite
  • Zircon
  • Rutile
  • Monazite
  • Xenotime
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life2033
The rare earth bearing mineral monazite is a co-product of Iluka’s mineral sands. Since the 1990’s Iluka has strategically stockpiled the monazite produced at its Narngulu Mineral Separation Plant, at its operations at Eneabba, Western Australia. Iluka commissioned a concentrator plant at Eneabba to further process the stockpiled material. This will separate the monazite (and additional zircon), producing a ~90% monazite concentrate material that will provide a direct feed to Iluka’s rare earths refinery.

Following the agreement of a strategic partnership with the Australian Government, Iluka has undertaken a substantial diversification into rare earths. In April 2022, the company approved the final investment decision to develop Australia’s first fully integrated rare earths refinery at Eneabba in Western Australia. Earthworks commenced in November 2022. Commissioning is scheduled for 2025.


Owners

Source: p. 126
CompanyInterestOwnership
Iluka Resources Ltd. 100 % Indirect
The Eneabba Mineral Separation Plant (MSP) By-Product Mineral Resource is located within mining lease M267SA which is held by Iluka Midwest Limited, a wholly owned subsidiary of Iluka Resources.

Contractors

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Deposit Type

  • Tailings


Summary:

The Eneabba Mineral Separation Plant (MSP) By-Product Mineral Resource is located within the Perth Basin however the material is made up of mineral sands by-product from Iluka’s Narngulu MSP. Being a minerals sands stockpile there is no geological structure. The stockpile physically presents as a fine grained sand and is approximately 300m in length, 150 wide and varies from 1 to 15m in thickness. The fine grained, dark brown to black material is easily distinguishable from the yellow clayey sand it resides on.

A half to one meter cap of orange brown, gravelly, clayey sand covers the resource. A mixed zone of the by-product and capping immediately below the capping with high HM grade in combination with elevated slimes and oversize is recognised, being defined in the resource estimation and reporting.

The tailings material comprises a mixture of ilmenite, staurolite, aluminosilicates, zircon and the rare earth bearing mineral ‘monazite’, a naturally-occurring radioactive material (NORM).


Mining Methods

  • Truck & Shovel / Loader


Summary:

The mining will be campaigned and require a Front End Loader (FEL) to move the by-product from the stockpile and feed into a mobile screening plant. A bulldozer will be required for short periods of time to push the top of the by-product stockpile down to enable safe access by the FEL. Once dry screened, the material will be loaded into dump trucks and dumped near the Wet Screening Plant (WSP) for processing.

Mining of the thin layer of waste capping material covering the stockpile will be conducted using a truck and shovel fleet.

Grade control will occur during the mining process, with daily sampling to analyse materials for blending. Blending and grade control will occur during the mobile screening process within the pit. The heavy mineral sand is easily distinguishable from the underlying yellow clayey sand and as such minimal dilution or ore loss is expected.


Crushing and Grinding


Processing

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Summary:

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Production:

CommodityProductUnits20212020Avg. Annual (Projected)
Total Rare Earth Oxides Mineral in concentrate kt 12
Nd2O3+Pr6O11 Mineral in concentrate kt  ......  Subscription required
Heavy Minerals Concentrate kt  ......  Subscription required  ......  Subscription required  ......  Subscription required
Zircon Mineral in concentrate kt  ......  Subscription required
Monazite Mineral in concentrate kt  ......  Subscription required
Subscription required - Subscription is required.


Reserves at December 31, 2022:

CategoryTonnage CommodityGradeContained Metal
Proven & Probable 0.96 Mt Heavy Minerals 84.1 % 0.81 Mt
Proven & Probable 0.81 Mt Ilmenite 34 %
Proven & Probable 0.81 Mt Zircon 28 %
Proven & Probable 0.81 Mt Monazite + Xenotime 19.2 %
Measured 255 Mt Heavy Minerals 5.3 % 13.4 Mt
Measured 13.4 Mt Ilmenite 47 %
Measured 13.4 Mt Zircon 13 %
Measured 13.4 Mt Rutile 7 %
Measured 13.4 Mt Monazite + Xenotime 1.6 %
Indicated 178 Mt Heavy Minerals 5.4 % 9.6 Mt
Indicated 9.6 Mt Ilmenite 44 %
Indicated 9.6 Mt Zircon 11 %
Indicated 9.6 Mt Rutile 7 %
Indicated 9.6 Mt Monazite + Xenotime 0.9 %
Inferred 93 Mt Heavy Minerals 5.3 % 4.9 Mt
Inferred 4.9 Mt Ilmenite 45 %
Inferred 4.9 Mt Zircon 10 %
Inferred 4.9 Mt Rutile 7 %
Inferred 4.9 Mt Monazite + Xenotime 0.6 %
Total Resource 526 Mt Heavy Minerals 5.3 % 27.9 Mt
Total Resource 27.9 Mt Ilmenite 45 %
Total Resource 27.9 Mt Zircon 12 %
Total Resource 27.9 Mt Rutile 7 %
Total Resource 27.9 Mt Monazite + Xenotime 1.2 %



Heavy Mobile Equipment as of August 17, 2021:
HME TypeModelQuantity
Loader (FEL) ....................... Subscription required ....................... Subscription required
Truck (haul) ....................... Subscription required ....................... Subscription required
Truck (water) ....................... Subscription required ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Aug 30, 2023
....................... Subscription required ....................... Subscription required Subscription required Aug 30, 2023
....................... Subscription required ....................... Subscription required Subscription required Aug 30, 2023
....................... Subscription required ....................... Subscription required Subscription required Jun 7, 2023
....................... Subscription required ....................... Subscription required Subscription required Aug 30, 2023
....................... Subscription required ....................... Subscription required Subscription required Aug 30, 2023
Subscription required - Subscription is required.


Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2023
Annual Report 2022
Corporate Presentation 2022
Press Release 2022
Press Release 2022
Year-end Mineral Reserves 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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