Songvang Gold Mine, Agnew Goldfield (Lawlers), Leonora Shire, Western Australia, Australiai
| Regional Level Types | |
|---|---|
| Songvang Gold Mine | Mine |
| Agnew Goldfield (Lawlers) | Ore Field |
| Leonora Shire | Shire |
| Western Australia | State |
| Australia | Country |
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Latitude & Longitude (WGS84):
28° 8' 16'' South , 120° 27' 42'' East
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Mindat Locality ID:
268585
Long-form identifier:
mindat:1:2:268585:7
GUID (UUID V4):
d4100e0d-3a53-456b-821c-b19633195391
The Songvang Gold Mine is the southern most on the goldfield at 15
kilometres south south-west from the Agnew Hotel. Open pit mining commenced in 2005.
It is located at the contact between a granitic-tonalitic pluton, and the basalitic supercrustal cover. Mineralisation is controlled by two main shear zones, both localised on, and partly cross-cutting the margins of the tonalite intrusion. One shear zone is well exposed along the western wall of the pit, and the other less so on the eastern side of the pit.
The west shear zone dips steeply east, while the east shear zone dips 30 to 40 degrees west, with the two converging at depth.
The shears show strike slip, with earlier reverse movement, suggesting a long and complex history of reactivation. They also show dextral shearing and east north-east to west south-west shortening.
The main lode at Songvang is a shallowly plunging rod like body of gold-pyrite. Mineralisation sits within strongly sheared mafic and tonalite rocks, and associated with enrichment in Ag, Cu, As, Sn, and Bi. The ore assemblage consists of biotite-quartz-chlorite-actinolite-carbonates-titanite-fluorite-pyrite-chalcopyrite. The deposit is unusual due to its strong silver, lead and fluorine components.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
8 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| β Actinolite Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| β 'Biotite' Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| β Chalcopyrite Formula: CuFeS2 |
| β 'Chlorite Group' |
| β Fluorite Formula: CaF2 |
| β 'Garnet Group' Formula: X3Z2(SiO4)3 |
| β Gold Formula: Au |
| β Pyrite Formula: FeS2 |
| β Quartz Formula: SiO2 |
| β Silver Formula: Ag |
| β Titanite Formula: CaTi(SiO4)O |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| β | Silver | 1.AA.05 | Ag |
| β | Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| β | Chalcopyrite | 2.CB.10a | CuFeS2 |
| β | Pyrite | 2.EB.05a | FeS2 |
| Group 3 - Halides | |||
| β | Fluorite | 3.AB.25 | CaF2 |
| Group 4 - Oxides and Hydroxides | |||
| β | Quartz | 4.DA.05 | SiO2 |
| Group 9 - Silicates | |||
| β | Titanite | 9.AG.15 | CaTi(SiO4)O |
| β | Actinolite | 9.DE.10 | β»Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Unclassified | |||
| β | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| β | 'Chlorite Group' | - | |
| β | 'Garnet Group' | - | X3Z2(SiO4)3 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| H | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | Oxygen | |
| O | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| O | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | β Quartz | SiO2 |
| O | β Titanite | CaTi(SiO4)O |
| O | β Garnet Group | X3Z2(SiO4)3 |
| F | Fluorine | |
| F | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| F | β Fluorite | CaF2 |
| Mg | Magnesium | |
| Mg | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Mg | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | Aluminium | |
| Al | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | Silicon | |
| Si | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Si | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | β Quartz | SiO2 |
| Si | β Titanite | CaTi(SiO4)O |
| Si | β Garnet Group | X3Z2(SiO4)3 |
| S | Sulfur | |
| S | β Chalcopyrite | CuFeS2 |
| S | β Pyrite | FeS2 |
| K | Potassium | |
| K | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Ca | Calcium | |
| Ca | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Ca | β Fluorite | CaF2 |
| Ca | β Titanite | CaTi(SiO4)O |
| Ti | Titanium | |
| Ti | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Ti | β Titanite | CaTi(SiO4)O |
| Fe | Iron | |
| Fe | β Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Fe | β Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | β Chalcopyrite | CuFeS2 |
| Fe | β Pyrite | FeS2 |
| Cu | Copper | |
| Cu | β Chalcopyrite | CuFeS2 |
| Ag | Silver | |
| Ag | β Silver | Ag |
| Au | Gold | |
| Au | β Gold | Au |
Other Regions, Features and Areas containing this locality
Australia
- Western Australia
- Mount Keith Nickel Metallogenic ProvinceGeologic Province
- West Australian ElementCraton
- Yilgarn CratonCraton
Australian PlateTectonic Plate
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References
