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Australia
Christmas Creek Mine (Chichester Hub Operation)

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 Location:
67 km SW from Nullagine, Western Australia, Australia

  Address:
Level 2, 87 Adelaide Terrace
East Perth
Western Australia, Australia
6004
Phone  ...  Subscription required
Fax+61-8-6218-8880
WebsiteWeb
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
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  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Iron Ore
Mining Method
  • Strip mining (roll-over)
  • Truck & Shovel / Loader
Production Start...


Owners

Source: p. 26,121
CompanyInterestOwnershipInvestor's Info
Fortescue Metals Group Ltd. 100 % Indirect
Chichester Metals Pty Ltd (operator) 100 % Direct
Fortescue’s wholly owned and integrated operations in the Pilbara include the Chichester (Cloudbreak and Christmas Creek).

The Christmas Creek Mine Site (Christmas Creek) is owned and operated by Chichester Metals Pty Ltd (Licensee), a wholly owned subsidiary of Fortescue Metals Group Ltd (Fortescue).

Contractors

Subscription required - Subscription is required.


Deposit Type

  • Banded iron formation
  • Channel Iron (CID)


Summary:

The Cloudbreak, Christmas Creek and Kutayi deposits lie within the Chichester Ranges, in northern Western Australia. Iron mineralisation is hosted by the Nammuldi Member which is the lowest member of the late Archaean aged Marra Mamba Iron Formation (MMIF). The Nammuldi Member is characterised by extensive, thick and podded iron rich bands, separated by equally extensive units of siliceous and carbonate rich chert and shale. The Nammuldi Member in the Chichester Range is interpreted to be up to 60 metres in true thickness. Underlying the Nammuldi Member rocks are black shales and volcanic rocks belonging to the Jeerinah Formation. Extended periods of tectonic activity have variably folded and faulted these rocks, together with weak metamorphism. Subsequent erosion and hardcapping or lateritic processes have altered these rocks, and present outcrop of Nammuldi Member represents a ridge of lowlying hills (relief up to 30 metres) throughout the prospect areas. These ridges are recognised as the Chichester Ranges.

Drilling within the prospects has proved that the Nammuldi target horizon extends below cover away from the hills. In these regions (recognised mineralisation has been intersected more than 6 kilometres from the outcrop) the target iron formation can be overlain by Tertiary age colluvium and alluvium (younger than 65 Million years). This colluvium can contain both cemented and un- cemented detrital products of iron enriched material, BIF, chert and shale wit ........


Mining Methods

  • Strip mining (roll-over)
  • Truck & Shovel / Loader


Summary:

Drill and blast
Drilling and blasting is used to allow areas of hard rock overburden to be removed. Drilling and blasting is undertaken in accordance with current operational procedures, which generally incorporate the following steps:
1. A series of holes are drilled into the rock.
2. The holes are filled with explosives and detonated.
3. The rock breaks up or collapses after detonation and the rock rubble is then removed.
4. The cleared rock face is ready for drilling and the steps are repeated.

Strip Mining
Mining will continue to be undertaken using the same mining methodology currently in place, consisting of conventional truck and shovel mining and strip mining. Typically, strip mining involves pits being developed in thin strips, around 150-200 m wide by 800 m long. Each mining area is mined to suit a particular set of constraints and requirements.

When mining commences in a new pit, the overburden is removed from the first two adjacent strip and placed just beyond the ore body limits close to the last strip to be mined in the sequence. Ore is then mined from the first strip.

When the ore in the second strip is removed, removal of overburden from fourth strip commences and material is backfilled into the void of second strip, while concurrently mining the ore in the third strip. This process progresses through the mining area.

When the ore from the penultimate strip is removed, waste from the fi ........


Crushing and Grinding

Remote Crushing
A Remote crushing hub (RCH) currently operates approximately 6.5 km east of the main processing facilities at Christmas Creek. The RCH sizes the mined material to prepare it for processing in the OPF (ore processing facilities). The RCH consists of:
- ROM bin;
- mineral sizer;
- gyratory crusher;
- crushed ore vault.
Once material has been crushed, it is transported to OPF2 by an overland conveyor.


Processing

Source: Subscription required

Summary:

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Combined production numbers are reported under Chichester Hub Operation


Reserves at June 30, 2022:
Mineral Resources are quoted above a cut-off of 53.5% Fe.
Ore Reserve: Christmas Creek 53.0% Cut-Off Grade (%Fe).

CategoryTonnage CommodityGrade
Proven 316 Mt Iron (hematite) 57 %
Probable 373 Mt Iron (hematite) 57.2 %
Proven & Probable 688 Mt Iron (hematite) 57.1 %
Measured 515 Mt Iron (hematite) 56.6 %
Indicated 650 Mt Iron (hematite) 56.2 %
Inferred 364 Mt Iron (hematite) 55.7 %
Total Resource 1,529 Mt Iron (hematite) 56.2 %



Heavy Mobile Equipment:
HME TypeModelQuantityLeased or
Contractor
Ref. Date
Excavator ....................... Subscription required ....................... Subscription required Leased Sep 13, 2018
Truck (haul) ....................... Subscription required ....................... Subscription required Jul 13, 2021
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Oct 4, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 4, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 4, 2022
....................... Subscription required ....................... Subscription required Subscription required Dec 13, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 4, 2022
Subscription required - Subscription is required.

Staff:

Total WorkforceYear
Subscription required 2021
Subscription required 2020
Subscription required 2019
Subscription required 2018
Subscription required 2017
Subscription required 2016

Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
Year-end Mineral Reserves 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Other 2018
Annual Report 2017
Annual Report 2016
Annual Report 2015
Environmental Assessment 2014
Other 2012
Corporate Presentation 2009
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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