Mistral Vermiculite Deposit, Spriggs Creek Bore (Spriggs Bore), Ambalindum Station, Harts Range (Harts Ranges; Hartz Range; Hartz Ranges), Central Desert Region, Northern Territory, Australiai
| Regional Level Types | |
|---|---|
| Mistral Vermiculite Deposit | Deposit |
| Spriggs Creek Bore (Spriggs Bore) | - not defined - |
| Ambalindum Station | - not defined - |
| Harts Range (Harts Ranges; Hartz Range; Hartz Ranges) | Mountain Range |
| Central Desert Region | Region |
| Northern Territory | Territory |
| Australia | Country |
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Latitude & Longitude (WGS84):
23° 4' 41'' South , 135° 2' 17'' East
Latitude & Longitude (decimal):
Type:
KΓΆppen climate type:
Mindat Locality ID:
294947
Long-form identifier:
mindat:1:2:294947:8
GUID (UUID V4):
d9ad6338-6a19-419d-aff9-2e06f476446c
Located 800-1000 metres north-west of the Mistral Ruby Mine on the western side of Entire Creek. Explored as a side project by Mistral Mines NL, while it was assessing the ruby deposit in the 1980's. Further investigation was conducted by Barfuss Corporation Pty Ltd in the 1990's. The vermiculite was found to be of inferior quality and plans to mine it were shelved.
The vermiculite occurs at the contact of ultramafic and anorthositic rocks. The ultramafics are a series of diapiric lenses from a few metres to several hundred metres in size. The rocks are talc, carbonate bearing magnesium hornblende, peridotite, and meta peridotite.
The vermiculite covers an area 200 metres in length, 2 to 12 metres thick, under the Entire Creek alluvium. Total volume of vermiculite across this area ranges from 10 to 60%. Total resource of vermiculite was estimated at 10,200 tonnes.
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:
| β 'Hornblende Root Name Group' Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
| β Talc Formula: Mg3Si4O10(OH)2 |
| β Vermiculite Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 9 - Silicates | |||
|---|---|---|---|
| β | Talc | 9.EC.05 | Mg3Si4O10(OH)2 |
| β | Vermiculite | 9.EC.50 | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 Β· 8H2O |
| Unclassified | |||
| β | 'Hornblende Root Name Group' | - | β»Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | β Talc | Mg3Si4O10(OH)2 |
| H | β Vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
| H | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| O | Oxygen | |
| O | β Talc | Mg3Si4O10(OH)2 |
| O | β Vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
| O | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| F | Fluorine | |
| F | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Mg | Magnesium | |
| Mg | β Talc | Mg3Si4O10(OH)2 |
| Mg | β Vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
| Al | Aluminium | |
| Al | β Vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
| Al | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Si | Silicon | |
| Si | β Talc | Mg3Si4O10(OH)2 |
| Si | β Vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
| Si | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Cl | Chlorine | |
| Cl | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Ca | Calcium | |
| Ca | β Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Fe | Iron | |
| Fe | β Vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O |
Other Regions, Features and Areas containing this locality
Australia
- Arunta OrogenOrogen
- Irindina ProvinceGeologic Province
- North Australian ElementCraton
- Northern Territory
- Kalkarindji Igneous ProvinceGeologic Province
Australian PlateTectonic Plate
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References
