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Hope Downs 4 Mine, Weeli Wolli Creek Area, East Pilbara Shire, Western Australia, Australia

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Latitude & Longitude (WGS84): 23° 9' 46'' South , 119° 32' 19'' East
Latitude & Longitude (decimal): -23.16305,119.53882
GeoHash:G#: qevh0pm92
Owned/operated by:Rio Tinto Group (50%), Hancock Prospecting (50%)
Locality type:Mine
Köppen climate type:BWh : Hot deserts climate


The Hope Downs 4 Mine accesses mineralised sections of the Dales Gorge and Joffre Members of the Brockman Iron Formation. The mineralisation occurs in four discrete bodies on the limbs of an east-west trending syncline, gently dipping east. On the western side the orebody is bounded to the north and south by the McRae Shale Formation, and on the east side mineralisation occurs down the steeply dipping western limb. Underlying this is the Wittenoom Formation. The country rock is the Hamersley Group banded iron formations, shale, and volcanics of the Brockman Iron Formation, Weeli Wolli Formation, and Wongarra Volcanics. North of the orebody the Hamersley Group is overlain by Tertiary calcrete, 20-40 metres thick. There is a significant north-south trending fault through the orebody in the vicinty of Coondiner Creek.

The mine is 35 kilometres east south-east of the Hope Downs (Hope Downs 1) mine, and accesses four ore bodies. Mining commenced in 2013. The mining camp is some 3 kilometres north of the Great Northern Highway, and mine about 8 kilometres north of the highway. The mine cost 1.2 billion to construct, and produces 15 Mtpa, railed to the port of Dampier.

Joint venture Hancock Prospecting/ Rio Tinto 50/50. The disputes between Hancock Prospecting and Wright Prospecting (See Rhodes Ridge and Hope Downs 1 Mindat localities), has spilled over at times into nearby tenements.

In 2010 Angela Bennett of Wright Prospecting took Gina Rinehart's Hancock Prospecting to court claiming a 50% stake in Hope Downs 4, 5 and 6 prospects. Wright charged Hancock with breach of trust by selling partly the Hope Downs Property without its consent, seeking all profits and compensation.

In 2016, Wright Prospecting, and the descendants of Pilbara prospector Don Rhodes took Hancock Prospecting to court. Wright was claiming Hancock's 50% stake in the Hope Downs 4 Mine, and royalties from the Hope Down 1 Mine. The Rhodes entity claimed 1.25% of royalties from the Hope Downs production.



Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List

 No mineral species recorded.

Rock Types Recorded

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Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Siderian
2300 - 2500 Ma



ID: 790602
Brockman Iron Formation

Age: Siderian (2300 - 2500 Ma)

Stratigraphic Name: Brockman Iron Formation

Description: Banded iron-formation, chert, mudstone and siltstone.

Comments: sedimentary non-carbonate chemical or biochemical; argillaceous detrital sediment; synthesis of multiple published descriptions

Lithology: Sedimentary non-carbonate chemical or biochemical; argillaceous detrital sediment

Reference: Raymond, O.L., Liu, S., Gallagher, R., Zhang, W., Highet, L.M. Surface Geology of Australia 1:1 million scale dataset 2012 edition. Commonwealth of Australia (Geoscience Australia). [5]

Siderian - Neoarchean
2300 - 2800 Ma



ID: 3185955
Archean-Paleoproterozoic sedimentary and volcanic rocks

Age: Precambrian (2300 - 2800 Ma)

Stratigraphic Name: Hamersley Group

Comments: Hamersley Basin

Lithology: Strataform assemblage(s); felsic volcanic rocks; chert,carbonate,iron formation,shale

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Hamersley HMS Pty Ltd (2010): Hope Downs 4 Iron Ore Project-public environmental review (Jan 2010)
International Business News (2010), Mining Queens Gina Reinhart Angela Bennett In Legal Battle Over Hope Downs Iron Ore Mine, 2010
Australian Mining (2013), First Hope Down Ore Leaves Site, 23/04/2013
The West Australian newspaper (2016), Rio Dragged Into Hope Downs Dispute, 27/02/2016

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