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Blackman's Find Gold Mine (Moonlight), The Island Goldfield (Austin), Cue Shire, Western Australia, Australia

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Latitude & Longitude (WGS84): 27° 48' 38'' South , 117° 50' 22'' East
Latitude & Longitude (decimal): -27.81072,117.83954
GeoHash:G#: qe5cc90nu
Locality type:Mine
Köppen climate type:BWh : Hot deserts climate


This is a small, little known gold area, twelve kilometres south of the Moyagee gold mine, and about the same distance west of the highway, along an east-west station fence. Several historic shafts stretch in a line north-south for several hundred metres, running north of the fence line.

In 1909, R.M. Miller and Henry Koehler applied for a lease here they called Moonlight. Several others across 1909 to 1911 applied for neighbouring leases, which were soon abandoned. The Moonlight continued with several crushings before the lease was forfeited in 1916.

In 2015, Ramelius Resources began exploring the site to access the feasibility of an open pit mine. They estimate a maiden resource of 490 000 tonnes of ore at 2.5 g/t yielding 39 000 ounces of gold.

The lodes strike for 350 metres as a number of sub-parallel steep west dipping quartz sulphide lodes in basalt rocks. The lodes are 2 to 5 metres wide, 10 to 20 metres below the surface. The lodes are covered by 8 to 15 metres of transported laterite. At the base of this is a 2 to 5 metres gold enriched supergene blanket.


Commodity List

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


Mineral List


2 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: 793798
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



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