Number 8 deposit (RAV 8 Mine), Ravensthorpe, Ravensthorpe Shire, Western Australia, Australiai
| Regional Level Types | |
|---|---|
| Number 8 deposit (RAV 8 Mine) | Deposit |
| Ravensthorpe | - not defined - |
| Ravensthorpe Shire | Shire |
| Western Australia | State |
| Australia | Country |
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Latitude & Longitude (WGS84):
33° 36' 10'' South , 120° 17' 50'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Ravensthorpe | 1,101 (2012) | 23.3km |
| Hopetoun | 584 (2014) | 41.8km |
Located 24 km east of Ravensthorpe and 300 metres north of the Ravensthorpe-Esperance Road.
Discovered by PMI 1964-1974, as were all the numbered Ni deposits listed on Mindat east of Ravensthorpe. It is a lens of serpentinized olivine peridotite, 100 metres thick, confined to a prominent embayment 500 metres long, occurring at the south dipping contact between siliceous metasediments to the north, and tremolite-chlorite overlain by metabasalt to the south.
The olivine peridotite forms a small hill, with an oxidation zone down to 30 metres from the surface. Talc-carbonate rock is common, with thin tremolite at the ultramafic base.
A shoot of disseminated sulphides, plunging south-east by 30 degrees, 360 metres long, 90 metres wide, at the basal part of the lens.
Within this shoot is a small body of breccia to massive Ni sulphide 120 metres long, and 25 metres wide. Disseminated sulphide within this grades up to 2% Ni, while massive sulphides is up to 18% Ni. Primary mineralisation is pentlandite and pyrrhotite, with minor pyrite and chalcopyrite. Millerite is found in some low grade disseminated sulphide ore.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
7 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:
| ⓘ Chalcopyrite Formula: CuFeS2 |
| ⓘ 'Chlorite Group' |
| ⓘ 'Fayalite-Forsterite Series' |
| ⓘ Millerite Formula: NiS |
| ⓘ Pentlandite Formula: (NixFey)Σ9S8 |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Pyrrhotite Formula: Fe1-xS |
| ⓘ 'Serpentine Subgroup' Formula: D3[Si2O5](OH)4 |
| ⓘ Talc Formula: Mg3Si4O10(OH)2 |
| ⓘ Tremolite Formula: ◻Ca2Mg5(Si8O22)(OH)2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Pentlandite | 2.BB.15 | (NixFey)Σ9S8 |
| ⓘ | Chalcopyrite | 2.CB.10a | CuFeS2 |
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Millerite | 2.CC.20 | NiS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 9 - Silicates | |||
| ⓘ | Tremolite | 9.DE.10 | ◻Ca2Mg5(Si8O22)(OH)2 |
| ⓘ | Talc | 9.EC.05 | Mg3Si4O10(OH)2 |
| Unclassified | |||
| ⓘ | 'Chlorite Group' | - | |
| ⓘ | 'Fayalite-Forsterite Series' | - | |
| ⓘ | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Talc | Mg3Si4O10(OH)2 |
| H | ⓘ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
| H | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| O | Oxygen | |
| O | ⓘ Talc | Mg3Si4O10(OH)2 |
| O | ⓘ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
| O | ⓘ Fayalite-Forsterite Series | |
| O | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| Mg | Magnesium | |
| Mg | ⓘ Talc | Mg3Si4O10(OH)2 |
| Mg | ⓘ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
| Mg | ⓘ Fayalite-Forsterite Series | |
| Si | Silicon | |
| Si | ⓘ Talc | Mg3Si4O10(OH)2 |
| Si | ⓘ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
| Si | ⓘ Fayalite-Forsterite Series | |
| Si | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| S | Sulfur | |
| S | ⓘ Chalcopyrite | CuFeS2 |
| S | ⓘ Millerite | NiS |
| S | ⓘ Pentlandite | (NixFey)Σ9S8 |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| Ca | Calcium | |
| Ca | ⓘ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
| Fe | Iron | |
| Fe | ⓘ Chalcopyrite | CuFeS2 |
| Fe | ⓘ Pentlandite | (NixFey)Σ9S8 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Fe | ⓘ Fayalite-Forsterite Series | |
| Ni | Nickel | |
| Ni | ⓘ Millerite | NiS |
| Ni | ⓘ Pentlandite | (NixFey)Σ9S8 |
| Cu | Copper | |
| Cu | ⓘ Chalcopyrite | CuFeS2 |
Other Regions, Features and Areas containing this locality
Australia
- Central Australian ElementCraton
- Western Australia
- Albany-Fraser OrogenOrogen
- Northern ForelandOrogen
- Ravensthorpe Nickel Metallogenic ProvinceGeologic Province
- Yilgarn CratonCraton
- Albany-Fraser OrogenOrogen
Australian PlateTectonic Plate
- West Australian Craton
- Western Yilgarn CratonCraton
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Number 8 deposit, Ravensthorpe, Ravensthorpe Shire, Western Australia, Australia