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Twenty One Ounce Gully, Ripon Hills District, East Pilbara Shire, Western Australia, Australia

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Latitude & Longitude (WGS84): 21° 11' 33'' South , 120° 21' 17'' East
Latitude & Longitude (decimal): -21.19268,120.35494
GeoHash:G#: qsjx6tzz9
Locality type:Gully
Köppen climate type:BWh : Hot deserts climate


The site contains a scattered collection of shaft groups, small pits and trenches, just south to south-east of the indistinct access track.

Small gold area, 60 kilometres east of Marble Bar, 10 kilometres west of the Nullagine River crossing on the Rippon Hills Road, and about 5 kilometres north of the road, at a location on maps called Bullgarina Hill. Information on the location is severely lacking.

Access appears to be a bulldozed track of unknown quality, but likely poor, to a north-south one kilometre long bulldozed alluvial area about one kilometre north of the road. The track then turns east for about 5 kilometres to a small collection of historic workings.

Appears active 1930's, and mapped 1939 by K.J. Finucane.

There are also several small exploration pits between one to five kilometres north of the Rippon Hills Road between Mooyella and the Nullagine River crossing that no information, even names could be found.


Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

1 valid mineral.

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

Paleoarchean
3200 - 3600 Ma



ID: 3191854
Archean volcanic rocks

Age: Paleoarchean (3200 - 3600 Ma)

Comments: Pilbara Craton

Lithology: 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]

Paleoarchean
3200 - 3600 Ma



ID: 849039
Salgash Subgroup

Age: Paleoarchean (3200 - 3600 Ma)

Stratigraphic Name: Salgash Subgroup

Description: Banded iron formation, shale, felsic volcaniclastics, chert, jaspilite, agglomerate, dolerite, basalt, ultramafic rocks, basaltic andesite, amphibolite, chlorite schist, felsic schist, komatiitic basalt, siliciclastic rocks; metamorphosed

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


Localities in this Region
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Australia

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References

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Finucane, K.J., Sullivan, C.J. (1939), Plans of Mine Workings Twenty One Ounce Mining Centre Pilbara Goldfield WA, Aerial Geological and Geophysical Survey of Northern Australia, 1939

 
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