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Junction Mine, Block 14 opencut, Broken Hill, Broken Hill district, Yancowinna Co., New South Wales, Australia

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Latitude & Longitude (WGS84): 31° 57' 17'' South , 141° 28' 44'' East
Latitude & Longitude (decimal): -31.95462,141.47883
GeoHash:G#: r4kd5qvdz
Locality type:Mine
Köppen climate type:BWh : Hot deserts climate


Abandoned mine that worked on rich Ag ores (Ag-Sb-As mineralisations) and worked Block 13.
The mine sat on top of the hill immediately south of central Broken Hill. On the mine site, the remaining outcrop of the Northern orebody can be studied (blackish Mn gossan, fine-grained garnet sandstone).
The Junction Mine was first pegged in 1884. The Broken Hill Junction Silver Mining Company was formed in 1886, and sunk Browne, King and MacIntyre shafts. The mine closed initially in 1901, but re-opened in 1906 using the Browne shaft and struggled till 1923.

The mine was acquired by the North Mine circa 1931. It was mined again from 1946 to 1962 when it was sold to Broken Hill South Ltd. Operations continued through to 1972.

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.

Junction Mine, Broken Hill, Yancowinna Co., NSW

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


19 valid minerals.

Detailed Mineral List:

Antimony
Formula: Sb
Reference: Ramdohr, P. (1950): Contributions to Mineralogy and Petrology 2(4), 291-333.
Chalcopyrite
Formula: CuFeS2
Reference: Ramdohr, P. (1950): Contributions to Mineralogy and Petrology 2(4), 291-333.
Coronadite
Formula: Pb(Mn4+6Mn3+2)O16
Reference: Minerals of Broken Hill, Australian Mining and Smelting Ltd, 1982 ISBN 0 909221189 p78
Cubanite
Formula: CuFe2S3
Reference: Ramdohr, P. (1950): Contributions to Mineralogy and Petrology 2(4), 291-333.
Dyscrasite
Formula: Ag3Sb
Reference: Ramdohr, P. (1950): Contributions to Mineralogy and Petrology 2(4), 291-333.
Galena
Formula: PbS
Reference: Ramdohr, P. (1950): Contributions to Mineralogy and Petrology 2(4), 291-333.
Graphite
Formula: C
Reference: Ramdohr, P. (1950): Contributions to Mineralogy and Petrology 2(4), 291-333.
Gypsum
Formula: CaSO4 · 2H2O
Reference: Keith Compton
Marshite
Formula: CuI
Reference: Rob Lavinsky
Molybdenite
Formula: MoS2
Reference: Ramdohr, P. (1950): Contributions to Mineralogy and Petrology 2(4), 291-333.
Pyrargyrite
Formula: Ag3SbS3
Reference: Ramdohr, P. (1950): Contributions to Mineralogy and Petrology 2(4), 291-333.
Pyrosmalite-(Fe)
Formula: Fe2+8Si6O15(OH,Cl)10
Reference: Birch, W.D. ed. (1999) Minerals of Broken Hill. Broken Hill City Council in conjunction with Museum Victoria. 289 pp,
Pyrrhotite
Formula: Fe7S8
Reference: Ramdohr, P. (1950): Contributions to Mineralogy and Petrology 2(4), 291-333.
Smithsonite
Formula: ZnCO3
Reference: Minerals of Broken Hill, Australian Mining and Smelting Ltd, 1982 ISBN 0 909221189 p78
Sphalerite
Formula: ZnS
Reference: Ramdohr, P. (1950): Contributions to Mineralogy and Petrology 2(4), 291-333.
Stannite
Formula: Cu2FeSnS4
Reference: Ramdohr, P. (1950): Contributions to Mineralogy and Petrology 2(4), 291-333.
Stolzite
Formula: Pb(WO4)
Reference: Rob Lavinsky
'Tennantite-Tetrahedrite Series'
Reference: Ramdohr, P. (1950): Contributions to Mineralogy and Petrology 2(4), 291-333.
Valleriite
Formula: (Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Reference: Ramdohr, P. (1950): Contributions to Mineralogy and Petrology 2(4), 291-333.
Wulfenite
Formula: Pb(MoO4)
Habit: Tetragonal prisms modified by steep dipyramidal faces in size from 1 to 5mm
Colour: Pale orange to reddish orange and deep red.
Description: First found in the Junction Mine in 1890 on the 45 metre level and later in 1924 on the same level. Worner et.al., states that wulfenite was found in the oxidized zone and that the matrix was a form of "garnet sandstone".
Reference: Worner, H.K., Mitchell, R.W., eds. Birch, W.D. (et al) (1982) Minerals of Broken Hill. Australian Mining & Smelting Limited, Melbourne, 259 pages.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Antimony'1.CA.05Sb
'Graphite'1.CB.05aC
Group 2 - Sulphides and Sulfosalts
'Chalcopyrite'2.CB.10aCuFeS2
'Cubanite'2.CB.55aCuFe2S3
'Dyscrasite'2.AA.35Ag3Sb
'Galena'2.CD.10PbS
'Molybdenite'2.EA.30MoS2
'Pyrargyrite'2.GA.05Ag3SbS3
'Pyrrhotite'2.CC.10Fe7S8
'Sphalerite'2.CB.05aZnS
'Stannite'2.CB.15aCu2FeSnS4
'Valleriite'2.FD.30(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Group 3 - Halides
'Marshite'3.AA.05CuI
Group 4 - Oxides and Hydroxides
'Coronadite'4.DK.05aPb(Mn4+6Mn3+2)O16
Group 5 - Nitrates and Carbonates
'Smithsonite'5.AB.05ZnCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Gypsum'7.CD.40CaSO4 · 2H2O
'Stolzite'7.GA.05Pb(WO4)
'Wulfenite'7.GA.05Pb(MoO4)
Group 9 - Silicates
'Pyrosmalite-(Fe)'9.EE.10Fe2+8Si6O15(OH,Cl)10
Unclassified Minerals, Rocks, etc.
'Tennantite-Tetrahedrite Series'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Antimony1.3.1.2Sb
Graphite1.3.6.2C
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 3:1
Dyscrasite2.2.1.1Ag3Sb
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
Cubanite2.9.13.1CuFe2S3
Stannite2.9.2.1Cu2FeSnS4
AmBnXp, with (m+n):p = 1:2
Molybdenite2.12.10.1MoS2
Hydroxysulfides and Hydrated Sulfides
Valleriite2.14.1.1(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
Group 3 - SULFOSALTS
ø = 3
Pyrargyrite3.4.1.2Ag3SbS3
Group 7 - MULTIPLE OXIDES
AB8X16
Coronadite7.9.1.4Pb(Mn4+6Mn3+2)O16
Group 9 - NORMAL HALIDES
AX
Marshite9.1.7.3CuI
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Smithsonite14.1.1.6ZnCO3
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Stolzite48.1.3.2Pb(WO4)
Wulfenite48.1.3.1Pb(MoO4)
Group 72 - PHYLLOSILICATES Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings
Two-Dimensional Infinite Sheets with Other Than Six-Membered Rings with 4-, 6-, and 12-membered rings
Pyrosmalite-(Fe)72.4.1a.1Fe2+8Si6O15(OH,Cl)10
Unclassified Minerals, Rocks, etc.
'Tennantite-Tetrahedrite Series'-

List of minerals for each chemical element

HHydrogen
H GypsumCaSO4 · 2H2O
H Pyrosmalite-(Fe)Fe82+Si6O15(OH,Cl)10
H Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
CCarbon
C GraphiteC
C SmithsoniteZnCO3
OOxygen
O CoronaditePb(Mn64+Mn23+)O16
O GypsumCaSO4 · 2H2O
O Pyrosmalite-(Fe)Fe82+Si6O15(OH,Cl)10
O SmithsoniteZnCO3
O StolzitePb(WO4)
O Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
O WulfenitePb(MoO4)
MgMagnesium
Mg Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
AlAluminium
Al Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
SiSilicon
Si Pyrosmalite-(Fe)Fe82+Si6O15(OH,Cl)10
SSulfur
S ChalcopyriteCuFeS2
S CubaniteCuFe2S3
S GalenaPbS
S GypsumCaSO4 · 2H2O
S MolybdeniteMoS2
S PyrargyriteAg3SbS3
S PyrrhotiteFe7S8
S SphaleriteZnS
S StanniteCu2FeSnS4
S Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
CaCalcium
Ca GypsumCaSO4 · 2H2O
MnManganese
Mn CoronaditePb(Mn64+Mn23+)O16
FeIron
Fe ChalcopyriteCuFeS2
Fe CubaniteCuFe2S3
Fe Pyrosmalite-(Fe)Fe82+Si6O15(OH,Cl)10
Fe PyrrhotiteFe7S8
Fe StanniteCu2FeSnS4
Fe Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
CuCopper
Cu ChalcopyriteCuFeS2
Cu CubaniteCuFe2S3
Cu MarshiteCuI
Cu StanniteCu2FeSnS4
Cu Valleriite(Fe2+,Cu)4(Mg,Al)3S4(OH,O)6
ZnZinc
Zn SmithsoniteZnCO3
Zn SphaleriteZnS
MoMolybdenum
Mo MolybdeniteMoS2
Mo WulfenitePb(MoO4)
AgSilver
Ag DyscrasiteAg3Sb
Ag PyrargyriteAg3SbS3
SnTin
Sn StanniteCu2FeSnS4
SbAntimony
Sb AntimonySb
Sb DyscrasiteAg3Sb
Sb PyrargyriteAg3SbS3
IIodine
I MarshiteCuI
WTungsten
W StolzitePb(WO4)
PbLead
Pb CoronaditePb(Mn64+Mn23+)O16
Pb GalenaPbS
Pb StolzitePb(WO4)
Pb WulfenitePb(MoO4)

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

Paleoproterozoic
1600 - 2500 Ma



ID: 3184292
Paleoproterozoic crystalline metamorphic rocks

Age: Proterozoic (1600 - 2500 Ma)

Comments: Broken Hill Camp; Adelaide Fold Belt

Lithology: Quartzite; granulite grade orthogneiss/paragneiss/metavolcanic gneiss

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: 817149
Broken Hill Group

Age: Proterozoic (1600 - 2500 Ma)

Stratigraphic Name: Broken Hill Group

Description: Metasediments, garnetiferous quartzo-feldspathic gneiss, amphibolite, minor garnet and gahnite-rich rocks, banded iron formation

Comments: high grade metamorphic rock; synthesis of multiple published descriptions

Lithology: High grade metamorphic rock

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)
Ramdohr, P. (1950): Die Lagerstätte von Broken Hill in New South Wales. Contributions to Mineralogy and Petrology 2(4), 291-333 (in German).
Worner, H. K. and Mitchell, R. W., eds. Birch, W. D. (et al) (1982): Minerals of Broken Hill, published by Australian Mining & Smelting Limited ISBN 0-909221-18-9.
Woodward O.H. (1965): A Review of the Broken Hill Lead-Silver-Zinc Industry 2nd ed. (edited by Parsons K.P.W.) produced by the Broken Hill Mining Managers' Association.


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