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Mount Cobalt Mine, Selwyn District, Cloncurry Shire, Queensland, Australiai
| Regional Level Types | |
|---|---|
| Mount Cobalt Mine | Mine (Abandoned) |
| Selwyn District | Mining District |
| Cloncurry Shire | Shire |
| Queensland | State |
| Australia | Country |
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Latitude & Longitude (WGS84):
21° 44' 12'' South , 140° 29' 34'' East
Latitude & Longitude (decimal):
Type:
Mine (Abandoned) - last checked 2021
Köppen climate type:
An abandoned underground Cobalt (+As, Cu) mine, located 153 km SE of Mount Isa and 140 km S of Mt Isa. It was discovered in 1919 and produced 766 tons of cobalt from 1921-1934, from about 2000t of ore (Day & Beyer, 1995).
The deposit contains sulphides and fracture fillings in a sheared contact between a metadolerite sill (footwall) and quartzite and quartz-biotite-muscovite schist (hanging wall). There are also disseminated sulphides hosted in the metadolerite/amphibolite (Day & Beyer, 1995).
Famous amongst collectors for erythrite specimens, but the dumps are now reportedly highly picked over, with little interesting material to be found. The underground workings are reportedly accessible only via a dangerous shaft.
The deposit contains sulphides and fracture fillings in a sheared contact between a metadolerite sill (footwall) and quartzite and quartz-biotite-muscovite schist (hanging wall). There are also disseminated sulphides hosted in the metadolerite/amphibolite (Day & Beyer, 1995).
Famous amongst collectors for erythrite specimens, but the dumps are now reportedly highly picked over, with little interesting material to be found. The underground workings are reportedly accessible only via a dangerous shaft.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
31 valid minerals.
Rock Types Recorded
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ 'Agardite' ? |
| ⓘ Agardite-(La) Formula: LaCu6(AsO4)3(OH)6 · 3H2O References: |
| ⓘ Allanite-(Ce) Formula: (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| ⓘ Alloclasite Formula: Co1-xFexAsS |
| ⓘ Arsenopyrite Formula: FeAsS Description: Co-bearing |
| ⓘ Azurite Formula: Cu3(CO3)2(OH)2 |
| ⓘ Baryte Formula: BaSO4 |
| ⓘ Chrysocolla Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| ⓘ Clinoclase Formula: Cu3(AsO4)(OH)3 |
| ⓘ Cobaltaustinite Formula: CaCo(AsO4)(OH) |
| ⓘ Cobaltite Formula: CoAsS |
| ⓘ Conichalcite Formula: CaCu(AsO4)(OH) |
| ⓘ Cuprite Formula: Cu2O |
| ✪ Erythrite Formula: Co3(AsO4)2 · 8H2O |
| ⓘ Fluorapatite Formula: Ca5(PO4)3F |
| ⓘ Glaucodot ? Formula: (Co0.50Fe0.50)AsS |
| ⓘ Heterogenite Formula: Co3+O(OH) |
| ⓘ Ilmenite Formula: Fe2+TiO3 |
| ⓘ Lavendulan Formula: NaCaCu5(AsO4)4Cl · 5H2O |
| ⓘ Malachite Formula: Cu2(CO3)(OH)2 |
| ⓘ Mansfieldite Formula: AlAsO4 · 2H2O References: |
| ⓘ Mansfieldite var. Cobalt-bearing Mansfieldite Formula: (Al,Co)AsO4 · 2H2O References: |
| ⓘ Native Copper Formula: Cu |
| ⓘ Native Gold Formula: Au References: Sorrell, Steve (n.d.) Personal communication.Identified by Steve Sorrell: Visual Identification |
| ⓘ Natrojarosite Formula: NaFe3(SO4)2(OH)6 |
| ⓘ Olivenite Formula: Cu2(AsO4)(OH) |
| ⓘ Olivenite var. Cobalt-bearing Olivenite Formula: (Cu,Co)2AsO4(OH) |
| ⓘ Pharmacolite ? Formula: Ca(HAsO4) · 2H2O References: |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Pyrrhotite Formula: Fe1-xS |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Scheelite Formula: Ca(WO4) |
| ⓘ Smolyaninovite Formula: Co3Fe3+2(AsO4)4 · 11H2O |
| ⓘ Spherocobaltite Formula: CoCO3 |
| ⓘ 'Xenotime' |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Native Copper | 1.AA.05 | Cu |
| ⓘ | Native Gold | 1.AA.05 | Au |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Pyrrhotite | 2.CC.10 | Fe1-xS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| ⓘ | Alloclasite | 2.EB.10b | Co1-xFexAsS |
| ⓘ | Glaucodot ? | 2.EB.10c | (Co0.50Fe0.50)AsS |
| ⓘ | Arsenopyrite | 2.EB.20 | FeAsS |
| ⓘ | Cobaltite | 2.EB.25 | CoAsS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Cuprite | 4.AA.10 | Cu2O |
| ⓘ | Ilmenite | 4.CB.05 | Fe2+TiO3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | Heterogenite | 4.FE.20 | Co3+O(OH) |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Spherocobaltite | 5.AB.05 | CoCO3 |
| ⓘ | Azurite | 5.BA.05 | Cu3(CO3)2(OH)2 |
| ⓘ | Malachite | 5.BA.10 | Cu2(CO3)(OH)2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Baryte | 7.AD.35 | BaSO4 |
| ⓘ | Natrojarosite | 7.BC.10 | NaFe3(SO4)2(OH)6 |
| ⓘ | Scheelite | 7.GA.05 | Ca(WO4) |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Olivenite | 8.BB.30 | Cu2(AsO4)(OH) |
| ⓘ | var. Cobalt-bearing Olivenite | 8.BB.30 | (Cu,Co)2AsO4(OH) |
| ⓘ | Clinoclase | 8.BE.20 | Cu3(AsO4)(OH)3 |
| ⓘ | Cobaltaustinite | 8.BH.35 | CaCo(AsO4)(OH) |
| ⓘ | Conichalcite | 8.BH.35 | CaCu(AsO4)(OH) |
| ⓘ | Fluorapatite | 8.BN.05 | Ca5(PO4)3F |
| ⓘ | Mansfieldite | 8.CD.10 | AlAsO4 · 2H2O |
| ⓘ | var. Cobalt-bearing Mansfieldite | 8.CD.10 | (Al,Co)AsO4 · 2H2O |
| ⓘ | Erythrite | 8.CE.40 | Co3(AsO4)2 · 8H2O |
| ⓘ | Smolyaninovite | 8.CH.55 | Co3Fe3+2(AsO4)4 · 11H2O |
| ⓘ | Pharmacolite ? | 8.CJ.50 | Ca(HAsO4) · 2H2O |
| ⓘ | Lavendulan | 8.DG.05 | NaCaCu5(AsO4)4Cl · 5H2O |
| ⓘ | Agardite-(La) | 8.DL.15 | LaCu6(AsO4)3(OH)6 · 3H2O |
| Group 9 - Silicates | |||
| ⓘ | Allanite-(Ce) | 9.BG.05b | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| ⓘ | Chrysocolla | 9.ED.20 | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Unclassified | |||
| ⓘ | 'Agardite' ? | - | |
| ⓘ | 'Xenotime' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Agardite-(La) | LaCu6(AsO4)3(OH)6 · 3H2O |
| H | ⓘ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| H | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| H | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| H | ⓘ Clinoclase | Cu3(AsO4)(OH)3 |
| H | ⓘ Cobaltaustinite | CaCo(AsO4)(OH) |
| H | ⓘ Conichalcite | CaCu(AsO4)(OH) |
| H | ⓘ Erythrite | Co3(AsO4)2 · 8H2O |
| H | ⓘ Heterogenite | Co3+O(OH) |
| H | ⓘ Lavendulan | NaCaCu5(AsO4)4Cl · 5H2O |
| H | ⓘ Malachite | Cu2(CO3)(OH)2 |
| H | ⓘ Mansfieldite | AlAsO4 · 2H2O |
| H | ⓘ Natrojarosite | NaFe3(SO4)2(OH)6 |
| H | ⓘ Olivenite | Cu2(AsO4)(OH) |
| H | ⓘ Pharmacolite | Ca(HAsO4) · 2H2O |
| H | ⓘ Smolyaninovite | Co3Fe23+(AsO4)4 · 11H2O |
| H | ⓘ Mansfieldite var. Cobalt-bearing Mansfieldite | (Al,Co)AsO4 · 2H2O |
| H | ⓘ Olivenite var. Cobalt-bearing Olivenite | (Cu,Co)2AsO4(OH) |
| C | Carbon | |
| C | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| C | ⓘ Malachite | Cu2(CO3)(OH)2 |
| C | ⓘ Spherocobaltite | CoCO3 |
| O | Oxygen | |
| O | ⓘ Agardite-(La) | LaCu6(AsO4)3(OH)6 · 3H2O |
| O | ⓘ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| O | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| O | ⓘ Baryte | BaSO4 |
| O | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| O | ⓘ Clinoclase | Cu3(AsO4)(OH)3 |
| O | ⓘ Cobaltaustinite | CaCo(AsO4)(OH) |
| O | ⓘ Conichalcite | CaCu(AsO4)(OH) |
| O | ⓘ Cuprite | Cu2O |
| O | ⓘ Erythrite | Co3(AsO4)2 · 8H2O |
| O | ⓘ Fluorapatite | Ca5(PO4)3F |
| O | ⓘ Heterogenite | Co3+O(OH) |
| O | ⓘ Ilmenite | Fe2+TiO3 |
| O | ⓘ Lavendulan | NaCaCu5(AsO4)4Cl · 5H2O |
| O | ⓘ Malachite | Cu2(CO3)(OH)2 |
| O | ⓘ Mansfieldite | AlAsO4 · 2H2O |
| O | ⓘ Natrojarosite | NaFe3(SO4)2(OH)6 |
| O | ⓘ Olivenite | Cu2(AsO4)(OH) |
| O | ⓘ Pharmacolite | Ca(HAsO4) · 2H2O |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Scheelite | Ca(WO4) |
| O | ⓘ Spherocobaltite | CoCO3 |
| O | ⓘ Smolyaninovite | Co3Fe23+(AsO4)4 · 11H2O |
| O | ⓘ Mansfieldite var. Cobalt-bearing Mansfieldite | (Al,Co)AsO4 · 2H2O |
| O | ⓘ Olivenite var. Cobalt-bearing Olivenite | (Cu,Co)2AsO4(OH) |
| F | Fluorine | |
| F | ⓘ Fluorapatite | Ca5(PO4)3F |
| Na | Sodium | |
| Na | ⓘ Lavendulan | NaCaCu5(AsO4)4Cl · 5H2O |
| Na | ⓘ Natrojarosite | NaFe3(SO4)2(OH)6 |
| Al | Aluminium | |
| Al | ⓘ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| Al | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Al | ⓘ Mansfieldite | AlAsO4 · 2H2O |
| Al | ⓘ Mansfieldite var. Cobalt-bearing Mansfieldite | (Al,Co)AsO4 · 2H2O |
| Si | Silicon | |
| Si | ⓘ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| Si | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Si | ⓘ Quartz | SiO2 |
| P | Phosphorus | |
| P | ⓘ Fluorapatite | Ca5(PO4)3F |
| S | Sulfur | |
| S | ⓘ Alloclasite | Co1-xFexAsS |
| S | ⓘ Arsenopyrite | FeAsS |
| S | ⓘ Baryte | BaSO4 |
| S | ⓘ Cobaltite | CoAsS |
| S | ⓘ Glaucodot | (Co0.50Fe0.50)AsS |
| S | ⓘ Natrojarosite | NaFe3(SO4)2(OH)6 |
| S | ⓘ Pyrite | FeS2 |
| S | ⓘ Pyrrhotite | Fe1-xS |
| Cl | Chlorine | |
| Cl | ⓘ Lavendulan | NaCaCu5(AsO4)4Cl · 5H2O |
| Ca | Calcium | |
| Ca | ⓘ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| Ca | ⓘ Cobaltaustinite | CaCo(AsO4)(OH) |
| Ca | ⓘ Conichalcite | CaCu(AsO4)(OH) |
| Ca | ⓘ Fluorapatite | Ca5(PO4)3F |
| Ca | ⓘ Lavendulan | NaCaCu5(AsO4)4Cl · 5H2O |
| Ca | ⓘ Pharmacolite | Ca(HAsO4) · 2H2O |
| Ca | ⓘ Scheelite | Ca(WO4) |
| Ti | Titanium | |
| Ti | ⓘ Ilmenite | Fe2+TiO3 |
| Fe | Iron | |
| Fe | ⓘ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| Fe | ⓘ Alloclasite | Co1-xFexAsS |
| Fe | ⓘ Arsenopyrite | FeAsS |
| Fe | ⓘ Glaucodot | (Co0.50Fe0.50)AsS |
| Fe | ⓘ Ilmenite | Fe2+TiO3 |
| Fe | ⓘ Natrojarosite | NaFe3(SO4)2(OH)6 |
| Fe | ⓘ Pyrite | FeS2 |
| Fe | ⓘ Pyrrhotite | Fe1-xS |
| Fe | ⓘ Smolyaninovite | Co3Fe23+(AsO4)4 · 11H2O |
| Co | Cobalt | |
| Co | ⓘ Alloclasite | Co1-xFexAsS |
| Co | ⓘ Cobaltite | CoAsS |
| Co | ⓘ Cobaltaustinite | CaCo(AsO4)(OH) |
| Co | ⓘ Erythrite | Co3(AsO4)2 · 8H2O |
| Co | ⓘ Glaucodot | (Co0.50Fe0.50)AsS |
| Co | ⓘ Heterogenite | Co3+O(OH) |
| Co | ⓘ Spherocobaltite | CoCO3 |
| Co | ⓘ Smolyaninovite | Co3Fe23+(AsO4)4 · 11H2O |
| Co | ⓘ Mansfieldite var. Cobalt-bearing Mansfieldite | (Al,Co)AsO4 · 2H2O |
| Co | ⓘ Olivenite var. Cobalt-bearing Olivenite | (Cu,Co)2AsO4(OH) |
| Cu | Copper | |
| Cu | ⓘ Agardite-(La) | LaCu6(AsO4)3(OH)6 · 3H2O |
| Cu | ⓘ Azurite | Cu3(CO3)2(OH)2 |
| Cu | ⓘ Chrysocolla | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Cu | ⓘ Clinoclase | Cu3(AsO4)(OH)3 |
| Cu | ⓘ Conichalcite | CaCu(AsO4)(OH) |
| Cu | ⓘ Cuprite | Cu2O |
| Cu | ⓘ Native Copper | Cu |
| Cu | ⓘ Lavendulan | NaCaCu5(AsO4)4Cl · 5H2O |
| Cu | ⓘ Malachite | Cu2(CO3)(OH)2 |
| Cu | ⓘ Olivenite | Cu2(AsO4)(OH) |
| Cu | ⓘ Olivenite var. Cobalt-bearing Olivenite | (Cu,Co)2AsO4(OH) |
| As | Arsenic | |
| As | ⓘ Agardite-(La) | LaCu6(AsO4)3(OH)6 · 3H2O |
| As | ⓘ Alloclasite | Co1-xFexAsS |
| As | ⓘ Arsenopyrite | FeAsS |
| As | ⓘ Clinoclase | Cu3(AsO4)(OH)3 |
| As | ⓘ Cobaltite | CoAsS |
| As | ⓘ Cobaltaustinite | CaCo(AsO4)(OH) |
| As | ⓘ Conichalcite | CaCu(AsO4)(OH) |
| As | ⓘ Erythrite | Co3(AsO4)2 · 8H2O |
| As | ⓘ Glaucodot | (Co0.50Fe0.50)AsS |
| As | ⓘ Lavendulan | NaCaCu5(AsO4)4Cl · 5H2O |
| As | ⓘ Mansfieldite | AlAsO4 · 2H2O |
| As | ⓘ Olivenite | Cu2(AsO4)(OH) |
| As | ⓘ Pharmacolite | Ca(HAsO4) · 2H2O |
| As | ⓘ Smolyaninovite | Co3Fe23+(AsO4)4 · 11H2O |
| As | ⓘ Mansfieldite var. Cobalt-bearing Mansfieldite | (Al,Co)AsO4 · 2H2O |
| As | ⓘ Olivenite var. Cobalt-bearing Olivenite | (Cu,Co)2AsO4(OH) |
| Ba | Barium | |
| Ba | ⓘ Baryte | BaSO4 |
| La | Lanthanum | |
| La | ⓘ Agardite-(La) | LaCu6(AsO4)3(OH)6 · 3H2O |
| Ce | Cerium | |
| Ce | ⓘ Allanite-(Ce) | (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH) |
| W | Tungsten | |
| W | ⓘ Scheelite | Ca(WO4) |
| Au | Gold | |
| Au | ⓘ Native Gold | Au |
Other Regions, Features and Areas containing this locality
Australia
- North Australian ElementCraton
- Queensland
- Mount Isa OrogenOrogen
- Kuridala-Selwyn DomainDomain
- Mount Isa OrogenOrogen
Australian PlateTectonic Plate
- North Australian Craton
- Mount Isa ProvinceShield
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References
Croxford, N.J.W. (1974) Cobalt mineralization at Mount Isa, Queensland, Australia, with references to Mount Cobalt. Mineralium Deposita, 9 (2) doi:10.1007/bf00207968
Mount Cobalt Mine, Selwyn District, Cloncurry Shire, Queensland, Australia