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Sam's Ridge gold prospect, Mallina Station, City of Karratha, Western Australia, Australiai
| Regional Level Types | |
|---|---|
| Sam's Ridge gold prospect | Prospect |
| Mallina Station | Station (farming) |
| City of Karratha | Shire |
| Western Australia | State |
| Australia | Country |
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Latitude & Longitude (WGS84):
20° 44' 21'' South , 117° 52' 3'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Au-Cu-Sb prospect. Located 35 kilometres west north-west of Becher. The deposit is hosted in high Mg basalt in the Louden Volcanics. It has a strike of 5 kilometres. This includes the Sam's Ridge and Fisher Well gold prospects.
It is a prominent ridge, capped with chalcedonic quartz, discovered in 1988 by Whim Creek Consolidated. It was a surprise the site lay hidden for so long, as it was showing oxide Cu minerals on the surface, and was only a few hundred metres from the old North West Coastal Highway.
The veins are dominated by chalcedony, and also contains colloform quartz, crack seal breccias, and bladed quartz pseudomorphs. Platey calcite is replaced by quartz.
Sam's Ridge is 150 metres wide, trending north north-east as a zone of quartz veining, flat lying, to steep dipping veins. There are gossanous zones with some oxide copper minerals like malachite in several places.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
5 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:
| ⓘ Calcite Formula: CaCO3 |
| ⓘ Malachite Formula: Cu2(CO3)(OH)2 |
| ⓘ Native Gold Formula: Au |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Quartz var. Chalcedony Formula: SiO2 |
| ⓘ Stibnite Formula: Sb2S3 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Stibnite | 2.DB.05 | Sb2S3 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz var. Chalcedony | 4.DA.05 | SiO2 |
| ⓘ | 4.DA.05 | SiO2 | |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Calcite | 5.AB.05 | CaCO3 |
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Malachite | Cu2(CO3)(OH)2 |
| C | Carbon | |
| C | ⓘ Calcite | CaCO3 |
| C | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | Oxygen | |
| O | ⓘ Calcite | CaCO3 |
| O | ⓘ Quartz var. Chalcedony | SiO2 |
| O | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | ⓘ Quartz | SiO2 |
| Si | Silicon | |
| Si | ⓘ Quartz var. Chalcedony | SiO2 |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Stibnite | Sb2S3 |
| Ca | Calcium | |
| Ca | ⓘ Calcite | CaCO3 |
| Cu | Copper | |
| Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
| Sb | Antimony | |
| Sb | ⓘ Stibnite | Sb2S3 |
| 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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