Eclipse gold prospect, Mertondale Goldfield, Leonora Shire, Western Australia, Australiai
| Regional Level Types | |
|---|---|
| Eclipse gold prospect | Prospect |
| Mertondale Goldfield | Ore Field |
| Leonora Shire | Shire |
| Western Australia | State |
| Australia | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
28° 35' 41'' South , 121° 32' 45'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Leonora | 532 (2012) | 38.5km |
The Eclipse gold prospect is approximately 35 kilometres north-east of Leonora, and east of the Leonora-Nambi Road. The Tonto gold prospect is immediately to the south.
It is located in the west branch of the Mertondale Shear Zone. The deposit has a different geology to the nearby Tonto prospect. Mafic mylonite is present but discontinuous, whereas quartz-dolerite is not restricted to the Footwall, and appears within the central mafic unit. Shale is commonplace.
There is a shallow flat dipping horizon of sulphidic quartz veining for 150 metres in length in the south to central portions of the prospect, containing arsenopyrite and pyrite, within quartz, and containing high gold values.
At the north end of the prospect, is felsic volcanic and alternating mafics. Granite porphyries, relatively unsheared chloritic basalt, a high magnesium basalt associated with andesite and dolerite, also occurs in the area. The north end also shows epithermal alteration.
There are several 100 metre long, north-south trending, massive fresh sulphide bodies at depth, with a distinctive gossan forming in the oxide area. The gossan is light blue sugary quartz, black quartz, and iridescent goethite/hematite.
The estimated JORC resource is 0.87 Mt at 1.8 g/t yielding 49 000 ounces of gold.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
6 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:
| ⓘ Arsenopyrite Formula: FeAsS |
| ⓘ 'Chlorite Group' |
| ⓘ Goethite Formula: Fe3+O(OH) |
| ⓘ Hematite Formula: Fe2O3 |
| ⓘ Native Gold Formula: Au |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Quartz Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| ⓘ | Arsenopyrite | 2.EB.20 | FeAsS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Goethite | 4.00. | Fe3+O(OH) |
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Unclassified | |||
| ⓘ | 'Chlorite Group' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Goethite | Fe3+O(OH) |
| O | Oxygen | |
| O | ⓘ Goethite | Fe3+O(OH) |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Arsenopyrite | FeAsS |
| S | ⓘ Pyrite | FeS2 |
| Fe | Iron | |
| Fe | ⓘ Arsenopyrite | FeAsS |
| Fe | ⓘ Goethite | Fe3+O(OH) |
| Fe | ⓘ Hematite | Fe2O3 |
| Fe | ⓘ Pyrite | FeS2 |
| As | Arsenic | |
| As | ⓘ Arsenopyrite | FeAsS |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Regions, Features and Areas containing this locality
Australia
- Western Australia
- West Australian ElementCraton
- Yilgarn CratonCraton
Australian PlateTectonic Plate
- West Australian Craton
- Eastern Yilgarn CratonCraton
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.
