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Orange Rock gold prospect, Mallina Station, City of Karratha, Western Australia, Australiai
| Regional Level Types | |
|---|---|
| Orange Rock gold prospect | Prospect |
| Mallina Station | Station (farming) |
| City of Karratha | Shire |
| Western Australia | State |
| Australia | Country |
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Latitude & Longitude (WGS84):
20° 59' 16'' South , 117° 58' 8'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Gold prospect. Located 12 kilometres west south-west of the Becher deposit.
It is hosted by a high Mg granodiorite of the Peawah Granodiorite. The vein system is 2 kilometres along strike, segmented.
The vein system has well developed vein breccias, containing 1 to 20 cm clasts of silicified granodiorite, and chalcedony in a chalcedony matrix.
Textures in the gossanous intervals include breccia bladed quartz pseudomorphs, and limonite pseudomorphs after siderite. The breccia contains silicified granodiorite clasts set within a gossanous matrix.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
2 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:
| ⓘ 'Limonite' |
| ⓘ Native Gold Formula: Au |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Quartz var. Chalcedony Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz var. Chalcedony | 4.DA.05 | SiO2 |
| ⓘ | 4.DA.05 | SiO2 | |
| Unclassified | |||
| ⓘ | 'Limonite' | - | |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Quartz var. Chalcedony | SiO2 |
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz var. Chalcedony | SiO2 |
| Si | ⓘ Quartz | SiO2 |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Regions, Features and Areas containing this locality
Australia
- Western Australia
- Pilbara CratonCraton
- Warakurna Large Igneous ProvinceGeologic Province
- West Australian ElementCraton
Australian PlateTectonic Plate
- West Australian Craton
- Pilbara CratonCraton
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