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Mount Cobalt Mine, Selwyn District, Cloncurry Shire, Queensland, Australia

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Latitude & Longitude (WGS84): 21° 44' 13'' South , 140° 29' 34'' East
Latitude & Longitude (decimal): -21.73694,140.49278
GeoHash:G#: rh5ukfztn
Locality type:Mine
Köppen climate type:BWh : Hot deserts climate


Cobalt (+As, Cu) deposit hosted in quartz-biotite-muscovite schist.
Located 153 km SE of Mount Isa.

Produced 779 tons of cobalt (Croxford, 1974).

Famous amongst collectors for erythrite specimens.

Alternative Label Names

This is a list of additional names that have been recorded for mineral labels associated with this locality in the minID database. This may include previous versions of the locality name hierarchy from mindat.org, data entry errors, and it may also include unconfirmed sublocality names or other names that can only be matched to this level.

Mount Cobalt Mine, Selwyn District, Mount Isa - Cloncurry area, Queensland, Australia

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


26 valid minerals.

Detailed Mineral List:

Alloclasite
Formula: Co1-xFexAsS
Reference: Croxford, N. J. W. (1974): Cobalt mineralization at Mount Isa, Queensland, Australia, with references to Mount Cobalt. Mineralium Deposita 9, 105-115.
Arsenopyrite
Formula: FeAsS
Description: Co-bearing
Reference: Croxford, N. J. W. (1974): Cobalt mineralization at Mount Isa, Queensland, Australia, with references to Mount Cobalt. Mineralium Deposita 9, 105-115.
Atacamite
Formula: Cu2(OH)3Cl
Reference: [UKJMM 19:24]
Azurite
Formula: Cu3(CO3)2(OH)2
Reference: [UKJMM 19:24]
Brochantite
Formula: Cu4(SO4)(OH)6
Reference: [UKJMM 19:24]
Chrysocolla
Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Reference: [UKJMM 19:24]
Clinoclase
Formula: Cu3(AsO4)(OH)3
Reference: [UKJMM 19:24]
'commodity:Cobalt'
Formula: Co
Reference: From USGS MRDS database
Cobaltite
Formula: CoAsS
Reference: Croxford, N. J. W. (1974): Cobalt mineralization at Mount Isa, Queensland, Australia, with references to Mount Cobalt. Mineralium Deposita 9, 105-115.
Conichalcite
Formula: CaCu(AsO4)(OH)
Reference: [UKJMM 19:24]
Copper
Formula: Cu
Reference: [UKJMM 19:24]
Cornetite
Formula: Cu3(PO4)(OH)3
Reference: [UKJMM 19:24]
Cuprite
Formula: Cu2O
Reference: [UKJMM 19:24]
Erythrite
Formula: Co3(AsO4)2 · 8H2O
Reference: Rocks & Minerals 82:402-407
Glaucodot ?
Formula: (Co0.50Fe0.50)AsS
Reference: Croxford, N. J. W. (1974): Cobalt mineralization at Mount Isa, Queensland, Australia, with references to Mount Cobalt. Mineralium Deposita 9, 105-115.
Heterogenite
Formula: Co3+O(OH)
Reference: [UKJMM 19:24]
Lavendulan
Formula: NaCaCu5(AsO4)4Cl · 5H2O
Reference: [UKJMM 19:24]
Libethenite
Formula: Cu2(PO4)(OH)
Reference: [UKJMM 19:24]
Malachite
Formula: Cu2(CO3)(OH)2
Reference: [UKJMM 19:24]
Mansfieldite
Formula: AlAsO4 · 2H2O
Reference: [UKJMM 19:24]
Mansfieldite var: Cobaltian Mansfieldite
Formula: (Al,Co)AsO4 · 2H2O
Reference: Steve Sorrell Collection
Natrojarosite
Formula: NaFe3(SO4)2(OH)6
Reference: [UKJMM 19:24]
Olivenite
Formula: Cu2(AsO4)(OH)
Reference: [UKJMM 19:24]
Olivenite var: Cobaltoan Olivenite
Formula: (Cu,Co)2AsO4(OH)
Reference: Uwe Kolitsch collection
Pseudomalachite
Formula: Cu5(PO4)2(OH)4
Reference: [UKJMM 19:24]
Quartz
Formula: SiO2
Quartz var: Amethyst
Formula: SiO2
Scheelite
Formula: Ca(WO4)
Reference: [UKJMM 19:24]
Smolyaninovite
Formula: Co3Fe3+2(AsO4)4 · 11H2O
Reference: Smith, L. K., Han, K. N. & Lawson, F. (1977): On the occurrence of smolyaninovite in the Mount Cobalt deposit, in north-western Queensland, Australia. Mineralogical Magazine 41, 385-388.
Spherocobaltite
Formula: CoCO3
Reference: Australian Journal of Mineralogy 1(2): 23

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Group 2 - Sulphides and Sulfosalts
'Alloclasite'2.EB.10bCo1-xFexAsS
Arsenopyrite2.EB.20FeAsS
Cobaltite2.EB.25CoAsS
Glaucodot ?2.EB.10c(Co0.50Fe0.50)AsS
Group 3 - Halides
Atacamite3.DA.10aCu2(OH)3Cl
Group 4 - Oxides and Hydroxides
Cuprite4.AA.10Cu2O
Heterogenite4.FE.20Co3+O(OH)
Quartz4.DA.05SiO2
var: Amethyst4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Azurite5.BA.05Cu3(CO3)2(OH)2
Malachite5.BA.10Cu2(CO3)(OH)2
Spherocobaltite5.AB.05CoCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Brochantite7.BB.25Cu4(SO4)(OH)6
Natrojarosite7.BC.10NaFe3(SO4)2(OH)6
Scheelite7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
Clinoclase8.BE.20Cu3(AsO4)(OH)3
Conichalcite8.BH.35CaCu(AsO4)(OH)
Cornetite8.BE.15Cu3(PO4)(OH)3
Erythrite8.CE.40Co3(AsO4)2 · 8H2O
Lavendulan8.DG.05NaCaCu5(AsO4)4Cl · 5H2O
Libethenite8.BB.30Cu2(PO4)(OH)
Mansfieldite8.CD.10AlAsO4 · 2H2O
var: Cobaltian Mansfieldite8.CD.10(Al,Co)AsO4 · 2H2O
Olivenite8.BB.30Cu2(AsO4)(OH)
var: Cobaltoan Olivenite8.BB.30(Cu,Co)2AsO4(OH)
Pseudomalachite8.BD.05Cu5(PO4)2(OH)4
Smolyaninovite8.CH.55Co3Fe3+2(AsO4)4 · 11H2O
Group 9 - Silicates
Chrysocolla9.ED.20Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Alloclasite2.12.6.2Co1-xFexAsS
Arsenopyrite2.12.4.1FeAsS
Cobaltite2.12.3.1CoAsS
Glaucodot ?2.12.6.1(Co0.50Fe0.50)AsS
Group 4 - SIMPLE OXIDES
A2X
Cuprite4.1.1.1Cu2O
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Heterogenite6.1.4.2Co3+O(OH)
Group 10 - OXYHALIDES AND HYDROXYHALIDES
A2(O,OH)3Xq
Atacamite10.1.1.1Cu2(OH)3Cl
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Spherocobaltite14.1.1.5CoCO3
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)m(XO4)pZq, where m:p>2:1
Brochantite30.1.3.1Cu4(SO4)(OH)6
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
A3(XO4)2·xH2O
Erythrite40.3.6.3Co3(AsO4)2 · 8H2O
(AB)5(XO4)2·xH2O
Mansfieldite40.4.1.4AlAsO4 · 2H2O
AXO4·xH2O
Smolyaninovite40.5.8.1Co3Fe3+2(AsO4)4 · 11H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)3(XO4)Zq
Clinoclase41.3.1.1Cu3(AsO4)(OH)3
Cornetite41.3.2.1Cu3(PO4)(OH)3
(AB)5(XO4)2Zq
Pseudomalachite41.4.3.1Cu5(PO4)2(OH)4
(AB)2(XO4)Zq
Conichalcite41.5.1.2CaCu(AsO4)(OH)
A2(XO4)Zq
Libethenite41.6.6.2Cu2(PO4)(OH)
Olivenite41.6.6.1Cu2(AsO4)(OH)
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)7(XO4)4Zq·xH2O
Lavendulan42.9.4.2NaCaCu5(AsO4)4Cl · 5H2O
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Scheelite48.1.2.1Ca(WO4)
Group 74 - PHYLLOSILICATES Modulated Layers
Modulated Layers with joined strips
Chrysocolla74.3.2.1Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
Mansfieldite
var: Cobaltian Mansfieldite
-(Al,Co)AsO4 · 2H2O
Natrojarosite-NaFe3(SO4)2(OH)6
Olivenite
var: Cobaltoan Olivenite
-(Cu,Co)2AsO4(OH)
Quartz
var: Amethyst
-SiO2

List of minerals for each chemical element

HHydrogen
H AtacamiteCu2(OH)3Cl
H AzuriteCu3(CO3)2(OH)2
H BrochantiteCu4(SO4)(OH)6
H ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
H ClinoclaseCu3(AsO4)(OH)3
H Mansfieldite (var: Cobaltian Mansfieldite)(Al,Co)AsO4 · 2H2O
H Olivenite (var: Cobaltoan Olivenite)(Cu,Co)2AsO4(OH)
H ConichalciteCaCu(AsO4)(OH)
H CornetiteCu3(PO4)(OH)3
H ErythriteCo3(AsO4)2 · 8H2O
H HeterogeniteCo3+O(OH)
H LavendulanNaCaCu5(AsO4)4Cl · 5H2O
H LibetheniteCu2(PO4)(OH)
H MalachiteCu2(CO3)(OH)2
H MansfielditeAlAsO4 · 2H2O
H NatrojarositeNaFe3(SO4)2(OH)6
H OliveniteCu2(AsO4)(OH)
H PseudomalachiteCu5(PO4)2(OH)4
H SmolyaninoviteCo3Fe23+(AsO4)4 · 11H2O
CCarbon
C AzuriteCu3(CO3)2(OH)2
C MalachiteCu2(CO3)(OH)2
C SpherocobaltiteCoCO3
OOxygen
O Quartz (var: Amethyst)SiO2
O AtacamiteCu2(OH)3Cl
O AzuriteCu3(CO3)2(OH)2
O BrochantiteCu4(SO4)(OH)6
O ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
O ClinoclaseCu3(AsO4)(OH)3
O Mansfieldite (var: Cobaltian Mansfieldite)(Al,Co)AsO4 · 2H2O
O Olivenite (var: Cobaltoan Olivenite)(Cu,Co)2AsO4(OH)
O ConichalciteCaCu(AsO4)(OH)
O CornetiteCu3(PO4)(OH)3
O CupriteCu2O
O ErythriteCo3(AsO4)2 · 8H2O
O HeterogeniteCo3+O(OH)
O LavendulanNaCaCu5(AsO4)4Cl · 5H2O
O LibetheniteCu2(PO4)(OH)
O MalachiteCu2(CO3)(OH)2
O MansfielditeAlAsO4 · 2H2O
O NatrojarositeNaFe3(SO4)2(OH)6
O OliveniteCu2(AsO4)(OH)
O PseudomalachiteCu5(PO4)2(OH)4
O QuartzSiO2
O ScheeliteCa(WO4)
O SmolyaninoviteCo3Fe23+(AsO4)4 · 11H2O
O SpherocobaltiteCoCO3
NaSodium
Na LavendulanNaCaCu5(AsO4)4Cl · 5H2O
Na NatrojarositeNaFe3(SO4)2(OH)6
AlAluminium
Al ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Al Mansfieldite (var: Cobaltian Mansfieldite)(Al,Co)AsO4 · 2H2O
Al MansfielditeAlAsO4 · 2H2O
SiSilicon
Si Quartz (var: Amethyst)SiO2
Si ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Si QuartzSiO2
PPhosphorus
P CornetiteCu3(PO4)(OH)3
P LibetheniteCu2(PO4)(OH)
P PseudomalachiteCu5(PO4)2(OH)4
SSulfur
S AlloclasiteCo1-xFexAsS
S ArsenopyriteFeAsS
S BrochantiteCu4(SO4)(OH)6
S CobaltiteCoAsS
S Glaucodot(Co0.50Fe0.50)AsS
S NatrojarositeNaFe3(SO4)2(OH)6
ClChlorine
Cl AtacamiteCu2(OH)3Cl
Cl LavendulanNaCaCu5(AsO4)4Cl · 5H2O
CaCalcium
Ca ConichalciteCaCu(AsO4)(OH)
Ca LavendulanNaCaCu5(AsO4)4Cl · 5H2O
Ca ScheeliteCa(WO4)
FeIron
Fe AlloclasiteCo1-xFexAsS
Fe ArsenopyriteFeAsS
Fe Glaucodot(Co0.50Fe0.50)AsS
Fe NatrojarositeNaFe3(SO4)2(OH)6
Fe SmolyaninoviteCo3Fe23+(AsO4)4 · 11H2O
CoCobalt
Co AlloclasiteCo1-xFexAsS
Co Mansfieldite (var: Cobaltian Mansfieldite)(Al,Co)AsO4 · 2H2O
Co CobaltiteCoAsS
Co Olivenite (var: Cobaltoan Olivenite)(Cu,Co)2AsO4(OH)
Co ErythriteCo3(AsO4)2 · 8H2O
Co Glaucodot(Co0.50Fe0.50)AsS
Co HeterogeniteCo3+O(OH)
Co SmolyaninoviteCo3Fe23+(AsO4)4 · 11H2O
Co SpherocobaltiteCoCO3
CuCopper
Cu AtacamiteCu2(OH)3Cl
Cu AzuriteCu3(CO3)2(OH)2
Cu BrochantiteCu4(SO4)(OH)6
Cu ChrysocollaCu2-xAlx(H2-xSi2O5)(OH)4 · nH2O
Cu ClinoclaseCu3(AsO4)(OH)3
Cu Olivenite (var: Cobaltoan Olivenite)(Cu,Co)2AsO4(OH)
Cu ConichalciteCaCu(AsO4)(OH)
Cu CopperCu
Cu CornetiteCu3(PO4)(OH)3
Cu CupriteCu2O
Cu LavendulanNaCaCu5(AsO4)4Cl · 5H2O
Cu LibetheniteCu2(PO4)(OH)
Cu MalachiteCu2(CO3)(OH)2
Cu OliveniteCu2(AsO4)(OH)
Cu PseudomalachiteCu5(PO4)2(OH)4
AsArsenic
As AlloclasiteCo1-xFexAsS
As ArsenopyriteFeAsS
As ClinoclaseCu3(AsO4)(OH)3
As Mansfieldite (var: Cobaltian Mansfieldite)(Al,Co)AsO4 · 2H2O
As CobaltiteCoAsS
As Olivenite (var: Cobaltoan Olivenite)(Cu,Co)2AsO4(OH)
As ConichalciteCaCu(AsO4)(OH)
As ErythriteCo3(AsO4)2 · 8H2O
As Glaucodot(Co0.50Fe0.50)AsS
As LavendulanNaCaCu5(AsO4)4Cl · 5H2O
As MansfielditeAlAsO4 · 2H2O
As OliveniteCu2(AsO4)(OH)
As SmolyaninoviteCo3Fe23+(AsO4)4 · 11H2O
WTungsten
W ScheeliteCa(WO4)

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Mesoproterozoic
1000 - 1600 Ma



ID: 3186065
Mesoproterozoic intrusive rocks

Age: Mesoproterozoic (1000 - 1600 Ma)

Comments: Mount Isa Block

Lithology: Intrusive igneous rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Paleoproterozoic
1600 - 2500 Ma



ID: 768102
Kuridala Group

Age: Proterozoic (1600 - 2500 Ma)

Stratigraphic Name: Kuridala Group

Description: Schist, meta-arenite, slate, phyllite, calc-silicate rocks, metarhyolite.

Comments: metasedimentary siliciclastic; metasedimentary carbonate; synthesis of multiple published descriptions

Lithology: Metasedimentary siliciclastic; metasedimentary carbonate

Reference: Raymond, O.L., Liu, S., Gallagher, R., Zhang, W., Highet, L.M. Surface Geology of Australia 1:1 million scale dataset 2012 edition. Commonwealth of Australia (Geoscience Australia). [5]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Day, B. and Beyer, B., 1995, Some mines of the Mt Isa district, Queensland; the Mt Cobalt mine. Australian Journal of Mineralogy 1(2): 17-23.
Croxford, N. J. W. (1974): Cobalt mineralization at Mount Isa, Queensland, Australia, with references to Mount Cobalt. Mineralium Deposita 9, 105-115.
Smith, L. K., Han, K. N. & Lawson, F. (1977): On the occurrence of smolyaninovite in the Mount Cobalt deposit, in north-western Queensland, Australia. Mineralogical Magazine 41, 385-388.
Nisbet, Bruce W.; Devlin, Stephen P.; Joyce, Paul J. (1983): Geology and suggested genesis of cobalt-tungsten mineralization at Mt. Cobalt, northwestern Queensland. Proceedings - Australasian Institute of Mining and Metallurgy 287, 9-17.
UKJMM 19: 24.


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