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Union Jack Gold Mine (Kalgoorlie United), Golden Mile Mines, Kalgoorlie-Boulder, Kalgoorlie-Boulder Shire, Western Australia, Australia

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Latitude & Longitude (WGS84): 30° 46' 7'' South , 121° 29' 40'' East
Latitude & Longitude (decimal): -30.76853,121.49449
GeoHash:G#: qdw2uwv86
Locality type:Mine
Köppen climate type:BSh : Hot semi-arid (steppe) climate


The Union Jack Gold Mine was a small lease in the northern section of the Golden Mile. The Genevieve lease bordered it to the south, Boulder Extended to the west, True Blue to the east, and Ironsides lease to the north. GML 433E.

Its noted in 1910, the Union Jack Gold Mining No Liability Kalgoorlie syndicate was formed to take over the Union Jack and Union Jack South leases. It states the lode had never been developed to that point, although the Union Jack lease appears on an 1896 map of the Golden Mile.

Another source states prospectors Coaffer and McArthur were working the lease in 1894, possibly the original prospectors considering the goldfield only started the year before. The Octagon Explorers Syndicate is noted as owing the lease in 1896.

For a brief time in 1897, the lease was known as the Kalgoorlie United. It states the lode is 3 feet wide, and of high grade, being a jasper reef on the western side of the lease, changing to graphitic slate at depth, covered in pyrite, and presumably some gold. The same year there was an alluvial rush onto the lease. A one ounce nugget had been found on the surface.

Willman and Grissold (surnames) offer lease owner dour Scotsman, Black (surnames), 1000 pounds cash for the lease in 1909. He declines and places the lease on the market for a higher price. By 1911, there are three tributing parties on the lease.

John Smith applied for the lease in 1914, and then Edward Rule in 1921.

A Kalgoorlie syndicate is formed in 1924 to take over the lease. Tributers across 1921 to 1923 obtained 7749 tonnes of ore yielding 3369 ounces of gold averaging 8.66 dwt.

Neighbouring North Kalgurli (1912) Limited take over the lease, and together with the Genevieve lease, recondition the old shafts, carting ore to their main plant across 1930 to 1934.



Commodity List

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


Mineral List


2 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

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

Quaternary
0 - 2.588 Ma



ID: 742372
colluvium 38491

Age: Pleistocene (0 - 2.588 Ma)

Description: Colluvium and/or residual deposits, sheetwash, talus, scree; boulder, gravel, sand; may include minor alluvial or sand plain deposits, local calcrete and reworked laterite

Comments: regolith; synthesis of multiple published descriptions

Lithology: Regolith

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]

Neoarchean - Mesoarchean
2500 - 3200 Ma



ID: 3187518
Archean volcanic rocks

Age: Archean (2500 - 3200 Ma)

Comments: Yilgarn Craton

Lithology: Greenstone belt; mafic-ultramafic volcanic rocks

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)
Truth newspaper (Perth) (1910), Union Jack, 09/04/1910
Western Mail newspaper (Perth) (1894), The Union Jack Mine, 17/11/1894
Kalgoorlie Miner newspaper (1924), Union Jack G.M., 11/12/1924
The Sun newspaper (Kalgoorlie) (1909), Union Jack, 01/08/1909
Western Mail newspaper (Kalgoorlie) (1896), Kalgoorlie, 25/09/1896
Chronicle newspaper (Adelaide) (1897), Kalgoorlie, 28/08/1897
Kalgoorlie Western Argus newspaper (1914), Kalgoorlie Warden's Court, 01/09/1914
Western Argus newspaper (Kalgoorlie) (1921), Kalgoorlie Warden's Court, 31/05/1921
The Sun newspaper (Kalgoorlie) (1909), Union Jack, 01/08/1909
Kalgoorlie Western Argus newspaper (1911), The Union Jack, 28/03/1911

 
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