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Galtee More mine, Lennonville Goldfield, Mount Magnet, Mount Magnet Shire, Western Australia, Australia

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Latitude & Longitude (WGS84): 28° 0' 37'' South , 117° 49' 50'' East
Latitude & Longitude (decimal): -28.01055,117.83056
GeoHash:G#: qe5b9kcde
Locality type:Mine
Köppen climate type:BWh : Hot deserts climate


Described as a large low grade orebody containing gold. Located at Lennonvale or Five Mile, its distance north from Mount Magnet. The mine was opened in 1895 by Irishman Bignell (surname), and the mine was possibly named after a mountain peak in Ireland. He was in partnership with Harry Dew, and another we know only as Heazler (surname). In 1902 the mine was sold to J.V. Kearney from the nearby Wheel of Fortune mine. Large tonnages were shifted from the mine through the state battery from this time till around the outbreak of World War One.

In 1922 it was noted the mine was operated by Ruggeri, Moderana and Pozzi. In 1935 the Galtee More Gold Mining Company was floated to take over mining operations at Galtee More and nearby Drumoyne and Empress mines. It notes the Grose Brothers had worked the mine profitably for many years, and one of them still holds it. Another source states a Dr C Grose took over the 'old' Galtee More mine in 1938, and crushings were noted from C Grose and party in 1940.

Mining also took place between 1985-1989 but no further details are known.

The ore is hosted by the Warramboo Unit of chert and chert breccia, overlying a thin basal horizon of black shale, minor felsic flows, and tuffs. Thinly layered interbedded chert-hematite and chert magnetite occurs in the unit, and includes minor shale and graphitic shale. Chert breccia is variable in its distribution, shows folding, slumping and brecciation. Gold is found in disseminated chlorite and massive pyrrhotite/pyrite zones in local cross faulting areas within the chert/banded iron formation host.


Mineral List


8 valid minerals.

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

Neoarchean - Mesoarchean
2500 - 3200 Ma



ID: 3188304
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]

Archean
2500 - 4000 Ma



ID: 693316
mafic extrusive rocks 74255

Age: Archean (2500 - 4000 Ma)

Description: Metabasalt, high-Mg basalt, tholeiitic basalt, carbonated basalt, agglomerate, mafic schist, dolerite, amphibolite; porphyritic basalt and dolerite; komatiitic basalt; mafic pyroclastics; minor mafic schist with granite intercalations

Comments: igneous mafic volcanic; synthesis of multiple published descriptions

Lithology: Igneous mafic 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

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
The Kalgoorlie Western Argus newspaper (1902):Lennonvale (20 May 1902).
The Sydney Morning Herald newspaper (1935): More Gold Mining Co Floated (29 Jan 1935).
Economic Geology (1984) 79:162-171.
Mock, C.M, Elliott, B.G., Ewers, G.R., Lorenz, R.P. (1987) Gold Deposits in Western Australia, BMR, Datafile (MINDEP), Resource Report 3, Department of Primary Industries and Energy, Bureau of Mineral Resources Geology and Geophysics, Commonwealth Government of Australia, 1987.
The Daily News newspaper (Perth) (1938): Murchison Field. November Operations (29 Dec 1938).
The West Australian newspaper (Perth) (1922): Mining News (13 May 1922).
The Western Mail newspaper (Perth) (1902): Mining News (17 May 1902).
The Western Mail newspaper (Perth) (1940): News From Here and There
(29 Feb 1940).

 
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