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Oroya Gold Mine (Oroya Black Range; Sandstone), Sandstone, Sandstone Shire, Western Australia, Australia

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Latitude & Longitude (WGS84): 27° 59' 29'' South , 119° 18' 46'' East
Latitude & Longitude (decimal): -27.99159,119.31304
GeoHash:G#: qehbg0315
Locality type:Mine
Köppen climate type:BWh : Hot deserts climate


The Oroya Gold Mine is 500 metres east of the Sandstone townsite, and is marked by a north-south abandoned open pit, developed by Herald Resources in the 1990's. Remnant battery sands are just south of the pit, and the tailings to the east.

In 1903, George Dent and the Hack brothers discovered gold just south of the present Sandstone town site. A few days later Tom Payne (after whom Paynes Find is named) discovered gold at the Oroya site. Payne sold the mine to the Oyoya Black Range Company Ltd, who worked the mine until 1914. During this period it yielded 364 000 ounces, and was the pre-eminent mine in the district.

On ANZAC Day 1932, lone miner, Samuel Ure became trapped in the old workings by a fall of earth. Jack Tetlow, Jimmy Boase and Billy Pease launched a rescue effort, however a few metres from Samuel were almost trapped by another fall of earth. Despite a concerted effort, rock continued to fall and the rescue effort had to be abandoned. A properly equipped team then spent one week trying to retrieve the body without success, and he remains buried somewhere in the old workings.

The mine is located on part of the Sandstone Reef. Drilling by Western Mining Ltd before the Herald mine identified several Hanging Wall structures, and a broader alteration halo from the main reef. At the time, the resource was estimated to hold 336 000 tonnes of ore at 4.29 g/t, and a laterite resource of 186 000 tonnes at 4.0 g/t (0.5 g/t cut-off).

The mine is located in the Sandstone Greenstone Belt, a triangular north plunging antiform, at the conjunction of the major trans-cratonic Youanmi and Edale Faults. The greenstone belt consists of mafic volcanic and intrusive rocks with subordinate ultramafics, banded iron formation and siliclastic sediments. Granitoid plutons associated with the Diemals Dome intrude the southern margin of the belt.





Commodity List

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


Mineral List


14 valid minerals.

Rock Types Recorded

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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: 709758
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: 3191865
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)
The Sydney Morning Herald newspaper (2004), Sandstone, 08/02/2004
Lowe, K., Ross, A.F. (2007), Troy Resources NL: Sandstone Project Mid West Region Western Australian, June 2007

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