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Australia
Iron Ridge Mine

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 Location:
362 km NE from Geraldton, Western Australia, Australia

  Regional Office:
Office 10, Emerald House, 1202 Hay St
West Perth
Western Australia, Australia
6005
Phone  ...  Subscription required
Fax+61-8-9226-2099
EmailEmail
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Iron Ore
Mining Method
  • Truck & Shovel / Loader
Processing
  • Crush & Screen plant
  • Dry Screening
Mine Life6.4 years (as of Jan 1, 2019)
The Company announced that production had commenced at the Iron Ridge Project, with Lump and Fines products being stockpiled at the Port of Geraldton in preparation for the first shipment, which subsequently took place in February 2021.
Latest NewsFenix conquers shipment hurdles     February 19, 2021


Owners

Source: p. 35
CompanyInterestOwnership
Fenix Resources Ltd. 100 % Indirect
The Mining Lease is held 100% by Prometheus Mining Pty Ltd, a wholly owned subsidiary of Fenix Resources Ltd.

Deposit Type

  • Banded iron formation


Summary:

The Iron Ridge is a northwest trending Archaean aged granite greenstone terrain of the Yilgarn Craton. It is a marked physiographic feature, 3-5km wide, 40km long, within which there is good exposure of metabasalts showing mainly doleritic and minor basaltic and gabbroic textures. Such exposures occur between ridges defined by weathered, steeply dipping beds of banded iron-formation which form less than 10% of the thickness of the sequence.

The Iron Ridge Project contains one main BIF horizon which exhibits significant iron enrichment in two locations (Wilgie Mia and Little Wilgie Mia). The mineralisation comprises a mixture of banded hematite (specular and earthy, goethite and shaly limonite iron ore. It has been documented that the primary ore mineral is martite. The ore lenses have formed by remobilization of iron and replacement of jaspilites (BIF) during deep-seated thermal metamorphism. Subsequent supergene oxidation, leaching and hydration of the iron ore has resulted in the formation of goethite and the concentration of secondary hematite (occasionally in the form of red ochre).

Three parallel to sub-parallel ranges of BIF occur on the tenement. The Main BIF (mapped as hematite) is approximately 50m wide, with much thinner (several metres) BIF ridges to the south (designated Little BIF 1 and 2 respectively). Little BIF 1 and 2 are defined by discontinuous goethitic outcrops at a lower elevation than the Main BIF.

The Iron Ridge deposit constitutes two major, parallel BIF units, separated by a range of 14–36 m, which outcrop for ~75% of the drilled strike length of 600 m. The interpreted area lies in a minimum bounding rectangle of 7,019,245 mN, 567,498 mE to 7,019,663 mN, 7,019,605 mE in MGA Zone 50 coordinates.

The sharp contacts to the dolerite are visible in the outcrop and in drilling, forming lateral widths of 31 m for BIF 1 and 6 m for BIF 2, which are consistent for the interpreted depth. The depth of the north-eastern extent of BIF 1 reaches an RL of 247 m for 280 m vertical depth, while the south-western extent reaches an RL of 247 m for 280 m vertical depth. The depth of the north- eastern extent of BIF 2 reaches an RL of 341 m for 176 m vertical depth, while the south-western extent reaches an RL of 510 m for 44 m vertical depth.


Mining Methods

  • Truck & Shovel / Loader


Summary:

Open pit mining and crushing and screening operations commenced in December 2020.

Production had commenced at the Iron Ridge Project, with Lump and Fines products being stockpiled at the Port of Geraldton in preparation for the first shipment, which subsequently took place in February 2021.

Average grade shipped was 61.2% Fe for fines and 63.9% Fe for lump product, exceeding expectations and the Ore Reserve model. The average lump to fines ratio of 52.5%:47.5%, is significantly higher than the life-of-mine assumed average of 25%:75%. Fenix continues to expect a reversion to previously assumed levels as the planned pit deepens.

Open pit mining using conventional drilling and blasting, followed by loading and hauling by excavators and trucks was selected as the preferred mining method. The mine will consist of a single open pit operation adopting 10m benches and mining these benches in 3 flitches. Ore and waste will be hauled to the ROM pad and waste dump respectively.


Crushing and Grinding
Flow Sheet: Source
Crusher / Mill TypeModelSizePowerQuantity
Jaw crusher 1
Cone crusher 1

Summary:

The designed processing plant is mobile and modular and consists of a two-stage crushing circuit (primary and secondary crushing) and a multi-deck screen to separate the lump and fines product into distinct stockpiles for road transport to the port of Geraldton.


Processing

  • Crush & Screen plant
  • Dry Screening

Flow Sheet: Subscription required

Summary:

The ore was DSO grade and only required crushing and screening to separate products into sizing groups known as fines (-6.3mm) and lump (+6.3mm -40mm). No beneficiation is required and there is no waste stream generated during the process.

The flowsheet developed for the process consists of the following stages:

- Two stage crushing of ROM;
- Multi-deck screening to separate lump and fines product;
- Product loading into road trains with a triple trailer configuration for road transport to the port of Geraldton.

The plant has been sized to process at least 1.25 million tonnes per annum of ore, and is configured in a mobile and modular way.

Open pit mining and crushing and screening operations commenced in December 2020.


Production:

CommodityProductUnits2021Avg. Annual (Projected)
Iron Ore Fines Mt  ......  Subscription required
Iron Ore Lump Mt  ......  Subscription required
Iron Ore Lump & Fines Mt 1.2

Operational Metrics:

Metrics2021
Ore tonnes mined  ......  Subscription required
Annual processing capacity  ......  Subscription required
Subscription required - Subscription is required.

Reserves at June 30, 2021:

CategoryTonnage CommodityGrade
Probable 7.1 Mt Iron 64.09 %
Probable 7.1 Mt Titanium dioxide 0.09 %
Indicated 9.4 Mt Iron 64.5 %
Indicated 9.4 Mt Titanium dioxide 0.09 %
Inferred 0.4 Mt Iron 62.1 %
Inferred 0.4 Mt Titanium dioxide 0.11 %
Total Resource 9.8 Mt Iron 64.4 %
Total Resource 9.8 Mt Titanium dioxide 0.09 %

Commodity Production Costs:

CommodityUnits2021
C1 cash costs Iron Ore AUD  ......  Subscription required
Subscription required - Subscription is required.

Financials:

Units2021
Revenue M AUD  ......  Subscription required
Operating Income M AUD  ......  Subscription required
Gross profit M AUD  ......  Subscription required
Pre-tax Income M AUD  ......  Subscription required
After-tax Income M AUD  ......  Subscription required
Subscription required - Subscription is required


Heavy Mobile Equipment:

Mine Management:

Job TitleNamePhoneProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jun 30, 2021
....................... Subscription required ....................... Subscription required Subscription required Oct 14, 2021
....................... Subscription required ....................... Subscription required ....................... Subscription required Subscription required Oct 14, 2021
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2019

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
Subscription required - Subscription is required.

News:

NewsDate
Fenix conquers shipment hurdles February 19, 2021
Fenix awards Iron Ridge contract to MACA October 19, 2020
Fenix commences development of iron ore mine September 21, 2020

Subscription required - Subscription is required.

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