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New Occidental Mine (New Occidental gold mine; Occidental gold mine; The United mine), Cobar, Robinson Co., New South Wales, Australiai
Regional Level Types
New Occidental Mine (New Occidental gold mine; Occidental gold mine; The United mine)Mine
CobarMining District
Robinson Co.County
New South WalesState
AustraliaCountry

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Latitude & Longitude (WGS84):
31° 32' 30'' South , 145° 51' 44'' East
Latitude & Longitude (decimal):
-31.54167,145.86250
GeoHash:
G#: r4rsx4jb6
GRN:
S22E88
Type:
Mine
Age:
419.2 ± 3.2 to 393.3 ± 1.2 Ma
Geologic Time:
Early/Lower Devonian
Reference for age:
Gilligan, L.B., Byrnes, J.G. (1995) Metallogenic Study and Mineral Deposit Data Sheets: Cobar Metallogenic Map 1:250 000 (SH/55-14), Geological Survey of New South Wales, Sydney, 240 pages.
Köppen climate type:
BSh : Hot semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Cobar4,199 (2017)5.7km
Mindat Locality ID:
99759
Long-form identifier:
mindat:1:2:99759:6
GUID (UUID V4):
b389e19f-a6d0-497d-8f57-8d7b1a973105


A former underground copper mine, commenced early 1900s.

Please note Cobar is the name of the town and the parish name is also Cobar.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

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


Mineral List


27 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 Diagram

Detailed Mineral List:

ⓘ Arsenopyrite
Formula: FeAsS
ⓘ Aurostibite
Formula: AuSb2
ⓘ Bismuth
Formula: Bi
ⓘ Bismuthinite
Formula: Bi2S3
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Calcite
Formula: CaCO3
ⓘ Cassiterite
Formula: SnO2
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ Clausthalite
Formula: PbSe
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Galena
Formula: PbS
ⓘ Gold
Formula: Au
ⓘ Guanajuatite
Formula: Bi2Se3
ⓘ Hematite
Formula: Fe2O3
ⓘ Ikunolite
Formula: Bi4S3
ⓘ Jonassonite
Formula: AuBi5S4
Description: For details see Stegman & Reynolds (2005).
ⓘ Kobellite
Formula: Pb22Cu4(Bi,Sb)30S69
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Maldonite
Formula: Au2Bi
ⓘ Marcasite
Formula: FeS2
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
ⓘ Scheelite
Formula: Ca(WO4)
ⓘ Sphalerite
Formula: ZnS
ⓘ Tetradymite
Formula: Bi2Te2S
ⓘ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGold1.AA.05Au
ⓘBismuth1.CA.05Bi
Group 2 - Sulphides and Sulfosalts
ⓘMaldonite2.AA.40Au2Bi
ⓘBornite2.BA.15Cu5FeS4
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘClausthalite2.CD.10PbSe
ⓘGalena2.CD.10PbS
ⓘBismuthinite2.DB.05Bi2S3
ⓘGuanajuatite2.DB.05Bi2Se3
ⓘIkunolite2.DC.05Bi4S3
ⓘTetradymite2.DC.05Bi2Te2S
ⓘPyrite2.EB.05aFeS2
ⓘAurostibite2.EB.05aAuSb2
ⓘMarcasite2.EB.10aFeS2
ⓘArsenopyrite2.EB.20FeAsS
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
ⓘKobellite2.HB.10aPb22Cu4(Bi,Sb)30S69
ⓘJonassonite2.LA.65AuBi5S4
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
ⓘCassiterite4.DB.05SnO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘDolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘScheelite7.GA.05Ca(WO4)
Group 9 - Silicates
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified
ⓘ'Chlorite Group'-

List of minerals for each chemical element

HHydrogen
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CCarbon
Cⓘ CalciteCaCO3
Cⓘ DolomiteCaMg(CO3)2
OOxygen
Oⓘ CalciteCaCO3
Oⓘ CassiteriteSnO2
Oⓘ DolomiteCaMg(CO3)2
Oⓘ HematiteFe2O3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ QuartzSiO2
Oⓘ ScheeliteCa(WO4)
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
MgMagnesium
Mgⓘ DolomiteCaMg(CO3)2
AlAluminium
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SSulfur
Sⓘ ArsenopyriteFeAsS
Sⓘ BismuthiniteBi2S3
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ GalenaPbS
Sⓘ IkunoliteBi4S3
Sⓘ KobellitePb22Cu4(Bi,Sb)30S69
Sⓘ MarcasiteFeS2
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ SphaleriteZnS
Sⓘ TetradymiteBi2Te2S
Sⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Sⓘ JonassoniteAuBi5S4
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ CalciteCaCO3
Caⓘ DolomiteCaMg(CO3)2
Caⓘ ScheeliteCa(WO4)
FeIron
Feⓘ ArsenopyriteFeAsS
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ HematiteFe2O3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ MarcasiteFeS2
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
CuCopper
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ KobellitePb22Cu4(Bi,Sb)30S69
Cuⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ ArsenopyriteFeAsS
SeSelenium
Seⓘ ClausthalitePbSe
Seⓘ GuanajuatiteBi2Se3
SnTin
Snⓘ CassiteriteSnO2
SbAntimony
Sbⓘ AurostibiteAuSb2
Sbⓘ KobellitePb22Cu4(Bi,Sb)30S69
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
TeTellurium
Teⓘ TetradymiteBi2Te2S
WTungsten
Wⓘ ScheeliteCa(WO4)
AuGold
Auⓘ AurostibiteAuSb2
Auⓘ GoldAu
Auⓘ MaldoniteAu2Bi
Auⓘ JonassoniteAuBi5S4
PbLead
Pbⓘ ClausthalitePbSe
Pbⓘ GalenaPbS
Pbⓘ KobellitePb22Cu4(Bi,Sb)30S69
BiBismuth
Biⓘ BismuthBi
Biⓘ BismuthiniteBi2S3
Biⓘ GuanajuatiteBi2Se3
Biⓘ IkunoliteBi4S3
Biⓘ KobellitePb22Cu4(Bi,Sb)30S69
Biⓘ MaldoniteAu2Bi
Biⓘ TetradymiteBi2Te2S
Biⓘ JonassoniteAuBi5S4

Other Regions, Features and Areas containing this locality

Australia
Australian PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

New South Wales Geological Survey GS1986/169.
Andrews, E.C. (1913) Report on the Cobar Copper and Gold-field. Part I. New South Wales Department of Mines, Geological Survey, Mineral Resources No.17, 207 pages.
Hart, J.G. (1936) Treatment of New Occidental residues. Joint Investigations of the Council for Scientific and Industrial Research and the university of Melbourne Metallurgical Laboratory, Ore Dressing Investigation 15, 5pp (unpublished).
Lloyd, A.C. (1950) New Occidental gold mine, Cobar. Department of Mines New South Wales Geological Reports for 1939-1945, 15-16.
Sullivan, C.J. (1951) Geology of the New Occidental, New Cobar and Chesney mines, Cobar, New South Wales. Bureau of Mineral Resources, Australia, Report 6, 62 pages.
Mulholland, C. St.J., Rayner, E.O. (1961) The gold-copper deposits of Cobar, New South Wales. Central section (Great Cobar to New Occidental), Department of Mines New South Wales, Technical Report 6 (for 1958), pp 23-47.
Russell, R.T., Lewis, B.R. (1965) Gold and copper deposits of the Cobar district. In Geology of Australian Ore Deposits, 8th ed. Commonwealth Mining and Metallurgical Congress, Australia and New Zealand, Publication 1, pp.411-419.
Robertson, I.G. (1974) The environmental features and petrogenesis of the mineral zones of Cobar, New South Wales. Ph D thesis, University of New England, Armidale (unpublished).
Brooke, W.J.L. (1975) Cobar mining field. In (Knight, C.L. ed) Economic Geology of Australia and Papua New Guinea, 1. Metals. Australian Institute of Mining and Metallurgy, Monograph 5, 683-694.
Gilligan, L.B., Byrnes, J.G. (1995) Cobar Metallogenic Map 1:250 000. Metallogenic Study and Mineral Deposit Data Sheets SH/55-14. Geological Survey of New South Wales
Leverett, P., McKinnon, A.R., Sharpe, J.L., Williams, P.A. (2005) Secondary minerals from the central Cobar mines. Australian Journal of Mineralogy, 11, 75-82.
Stegman, C., Reynolds, I. (2005) Primary mineralisation in Cobar deposits with emphasis on gold deposits of the Cobar goldfield. Australian Journal of Mineralogy, 11, 63-72.
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