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Australia
Wonmunna Mine

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 Location:
74 km W from Newman, Western Australia, Australia

  Address:
20 Walters Drive, Osborne Park
Perth
Western Australia, Austria
6017
Phone  ...  Subscription required
Fax+61-8-9329-3601
EmailEmail
WebsiteWeb
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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Iron Ore
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life10 years (as of Jan 1, 2021)
Wonmunna ore is blend with Iron Valley and the proposed Lamb Creek and Wedge mines creating Utah Point Hub.


Owners

Source: p. 193,197
CompanyInterestOwnership
Mineral Resources Ltd. 100 % Indirect

Contractors

Subscription required - Subscription is required.


Deposit Type

  • Banded iron formation


Summary:

The Project is situated within the Neoarchaean-Palaeoproterozoic Hamersley Basin and forms part of the West Pilbara Mineral Field.

The Hamersley Group contains five major banded iron formation (BIF) units, of which two, the Marra Mamba Iron Formation and the Brockman Iron Formation, host iron mineralisation, including most of the exploited iron ore deposits in the Pilbara Mineral Province.

There is relatively poor outcrop in the Project area. In the east alluvial/channel iron deposit (CID) cover forms a well preserved Hamersley Surface – i.e. laterite cover, and to the west more Marra Mamba Iron Formation (MMIF) outcrops. From examination of the present NMM drill and gamma logs - and with some confirmation during a limited ground examination during a brief site visit - the full sequence of MMIF appears to be present (i.e. Nammuldi Member to Mt Newman Member, together with some West Angela Member of the overlying Wittenoom Formation (Pearcey & Sergeev 2012, Slater & Kneeshaw 2012). The high grade mineralisation typically occurs within the Mt Newman Member.

Iron mineralisation of the martite-goethite (M-G) type within the Marra Mamba Iron Formation usually occurs preferentially within the Mount Newman Member only. However, enrichment can extend into the MacLeod Member and on occasion into the Nammuldi Member. The in situ ore forming process is a combination of the metasomatic, pseudomorphic replacement of magnetite (resulting in martite - M), th ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Wonmunna is an open pit mine used conventional truck and shovel mining method with drill and blast, located 80km north-west of Newman in the Pilbara region, Western Australia. On 22 March 2021, Mineral Resources Limited announced first iron ore production from Wonmunna Iron Ore Mine. Acorrding to the Mining Proposal 2015 the planned Wonmunna mining operation is to mine three deposits: - North Marra Mamba (NMM) (two main pit areas with five pits on the East and one pit on the West of the Weeli Wolli Exclusion Zone), - Central Marra Mamba (CMM) (one pit) and - South Marra Mamba (SMM) (two pits). The provided pits will have the following parameters: Depth - 50m maximum Batter height - 20m Berm width - 5m Ramp gradient - 1:10 Ramp Width - 25m dual (20m single) Bench height - 6m Batter angle - 65 Stack berm width - 5m Overall wall angle - 45 Wonmunna ore to blend with Iron Valley and the proposed Lamb Creek and Wedge mines creating Utah Point Hub.


Crushing and Grinding


Processing

Source: Subscription required

Summary:

- subscription is required.


Production:
Wonmunna ore to blend with Iron Valley and the proposed Lamb Creek and Wedge mines creating Utah Point Hub.

CommodityUnits20222021
Iron Ore kwmt  ......  Subscription required *  ......  Subscription required *
All production numbers are expressed as lump & fines. * Combined production for Iron Valley Mine and Wonmunna Mine

Operational Metrics:

Metrics20222021
Waste  ......  Subscription required  ......  Subscription required
Annual production capacity  ......  Subscription required  ......  Subscription required
Subscription required - Subscription is required.

Reserves at February 2, 2015:
Mineral Resource Estimate Minimum Fe cut-off is 50%.

CategoryTonnage CommodityGrade
Probable 28.85 Mt Iron 58 %
Total Resource 84.3 Mt Iron 56.5 %



Proposed Heavy Mobile Equipment as of March 25, 2015:
HME TypeSizeQuantityLeased or
Contractor
Dozer ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required ....................... Subscription required Leased
....................... Subscription required ....................... Subscription required Leased
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Oct 24, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 24, 2022
Subscription required - Subscription is required.

Staff:

EmployeesYear
Subscription required 2021

Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
Corporate Presentation 2022
Quarterly Report 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
Technical Report 2015
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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