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Bow Bells Gold Mine (Moondine), Salgash gold mines (Warrawoona), Marble Bar, East Pilbara Shire, Western Australia, Australia

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Latitude & Longitude (WGS84): 21° 18' 30'' South , 119° 51' 54'' East
Latitude & Longitude (decimal): -21.30854,119.86511
GeoHash:G#: qsjnz8ghg
Locality type:Mine
Köppen climate type:BWh : Hot deserts climate


GML 505. 12 acres. One of the major mines on the field. The original prospectors were Royers, Barnes and Burroughs in 1898. From 1901 to at least 1908, the British Exploration Company of Western Australia controlled the lease. This company limped along producing some crushings, and erecting a small battery, but the mine was never profitable. Later the mine was named Moondine, with 29 tonnes of ore extracted for 235 ounces.

There are seven reefs on the property. The two most important are the Northern and Horseshoe Reefs. The Northern contained No. 3 shaft, down 80 feet from the surface on a reef dipping steeply north-east. At the surface the reef is 12 inches thick. Another shaft on the reef was down to 45 feet. The reef pinches at depth.

The Horseshoe Reef named after its shape, was worked by the main shaft at a fork in the reef. The northern fork continues for 260 feet length, then tapers to thin veins of quartz for 150 feet, turns south for 50 feet and gradually dis-appears. The main shaft was down to 106 feet depth. The southern leg of the fork, the reef is 3 feet thick.

Government geologist, Gibb-Maitland inspected the property in 1908, and goes into some details regarding further workings, of which a brief summary is mentioned here.

There was a further tunnel and shaft on the north leg of the main reef. The tunnel also cut the Middle Reef 23 feet in, the reef 6 inches wide, dipping north-east. Drives had been dug north and south for 60 feet, then stoped to the surface.

At the foot of the main shaft down 77 feet, the reef is 10 feet thick as a large bulge, of quartz with small sericite scales, and irregular patches of serpentinite.

Little in the way of old workings can be seen.



Commodity List

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


Mineral List


11 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

Mesoarchean - Paleoarchean
2800 - 3600 Ma



ID: 3189906
Archean intrusive rocks

Age: Archean (2800 - 3600 Ma)

Comments: Pilbara Craton

Lithology: Intrusive igneous 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]

Paleoarchean
3200 - 3600 Ma



ID: 834121
Coongan Subgroup

Age: Paleoarchean (3200 - 3600 Ma)

Stratigraphic Name: Coongan Subgroup

Description: Felsic volcanic rocks, felsic schist, basalt, dacite, andesite, sandstone, conglomerate, amphibolite, komatiite, peridotite, chert, psammitic and pelitic schist, mafic schist, wacke, shale, iron formation, ultramafic schist.

Comments: sedimentary; igneous felsic volcanic; synthesis of multiple published descriptions

Lithology: Sedimentary; igneous felsic volcanic

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]

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

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Gibb-Maitland, A. (1908), The Geological Features and Mineral Resources of the Pilbara Goldfield, Geological Survey of Western Australia, State Government of Western Australia, 1908
The West Australian newspaper (Perth) (1932), Pilbara Goldfield. Rich Returns. Future Possibilities, 26/03/1932

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