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Crown Gold Mine, Norseman, Dundas Shire, Western Australia, Australiai
Regional Level Types
Crown Gold MineMine
Norseman- not defined -
Dundas ShireShire
Western AustraliaState
AustraliaCountry

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Key
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Latitude & Longitude (WGS84): 32° 11' 41'' South , 121° 47' 38'' East
Latitude & Longitude (decimal): -32.19481,121.79390
GeoHash:G#: qdq8g7pee
Locality type:Mine
Köppen climate type:BSk : Cold semi-arid (steppe) climate
Nearest Settlements:
PlacePopulationDistance
Norseman982 (2012)1.5km


The Bullen, Crown and OK declines are part of the Norseman Gold Mine. Specimens are usually labelled from the Bullen Mine. It is the longest continuously running gold mine in Australia.

As with most gold mines in the region it is hosted by the Norseman-Wiluna Greenstone Belt. The belt at Norseman shows the following units from the east:
1. Penneshaw Formation-100m, basalt and felsic volcanics.
2. Noganyer Iron Formation-1600m, iron with sediments and ultramafic rocks.
3. Woolyeenyer Formation-8000m, pillow basalts and gabbro with interbedded shales and chert near the base
4. Mt Kirk Formation-6000m, mixed felsic volcanics and sediments with chert, iron, and ultramafic sills.

Gold mineralisation is found in the lower sections of the Woolyeenyer Formation, known as the Mararoa Basalt sequence. It is folded into a steep west dipping homocline (strata dipping in one direction), and cut by a series of north north-west trending faults.

At Crown, gold is found in east dipping laminated reefs striking north north-west. The reefs vary from 0.5-2.0m thick occupying shears that contain a number of shoots, with frequent barren patches. Alteration minerals are protolith controlled, and include biotite, tremolite, actinolite, chlorite, calcite and minor sulphides. Sphalerite and galena is often found associated with the gold.

Regions containing this locality

Australian Plate (Australia Plate)Tectonic Plate
West Australian Element, Western Australia, AustraliaCraton
Yilgarn Craton, Western Australia, AustraliaCraton
Kambalda Nickel Metallogenic Province, Western Australia, AustraliaGeologic Province

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


15 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and 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:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
'Albite-Anorthite Series'
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
'Biotite'
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
Calcite
Formula: CaCO3
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
Chalcopyrite
Formula: CuFeS2
Reference: McQueen, K.G. and Solberg, T.N. (1990) Bismuth-lead tellurides and associated minerals in high-grade gold ore from the Crown Reef, Norseman, Western Australia. Australian Mineralogist, Vol. 5, pg. 97-105.
'Chlorite Group'
Reference: http://www.portergeo.com.au/database/mineinfo.asp?mineid=mn766
Galena
Formula: PbS
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
Gold
Formula: Au
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
'Hornblende'
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
Ilmenite
Formula: Fe2+TiO3
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
Marcasite
Formula: FeS2
Reference: McQueen, K.G. and Solberg, T.N. (1990) Bismuth-lead tellurides and associated minerals in high-grade gold ore from the Crown Reef, Norseman, Western Australia. Australian Mineralogist, Vol. 5, pg. 97-105.
Pyrite
Formula: FeS2
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
Pyrrhotite
Formula: Fe7S8
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
Quartz
Formula: SiO2
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
Rucklidgeite
Formula: PbBi2Te4
Reference: McQueen, K.G. and Solberg, T.N. (1990) Bismuth-lead tellurides and associated minerals in high-grade gold ore from the Crown Reef, Norseman, Western Australia. Australian Mineralogist, Vol. 5, pg. 97-105.
Rutile
Formula: TiO2
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
Sphalerite
Formula: ZnS
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
Tellurobismuthite
Formula: Bi2Te3
Reference: McQueen, K.G. and Solberg, T.N. (1990) Bismuth-lead tellurides and associated minerals in high-grade gold ore from the Crown Reef, Norseman, Western Australia. Australian Mineralogist, Vol. 5, pg. 97-105.
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Reference: http://www.portergeo.com.au/database/mineinfo.asp?mineid=mn766

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Marcasite2.EB.10aFeS2
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Rucklidgeite2.GC.40cPbBi2Te4
Sphalerite2.CB.05aZnS
Tellurobismuthite2.DC.05Bi2Te3
Group 4 - Oxides and Hydroxides
Ilmenite4.CB.05Fe2+TiO3
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Tremolite9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Biotite'-
'Chlorite Group'-
'Hornblende'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 4:3
Rucklidgeite2.6.2.7PbBi2Te4
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
AmBnXp, with (m+n):p = 2:3
Tellurobismuthite2.11.7.2Bi2Te3
AmBnXp, with (m+n):p = 1:2
Marcasite2.12.2.1FeS2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Ilmenite4.3.5.1Fe2+TiO3
AX2
Rutile4.4.1.1TiO2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 66 - INOSILICATES Double-Width,Unbranched Chains,(W=2)
Amphiboles - Mg-Fe-Mn-Li subgroup
Tremolite66.1.3a.1☐{Ca2}{Mg5}(Si8O22)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Actinolite-☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
'Albite-Anorthite Series'-
'Biotite'-
'Chlorite Group'-
'Hornblende'-

List of minerals for each chemical element

HHydrogen
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
CCarbon
C CalciteCaCO3
OOxygen
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O IlmeniteFe2+TiO3
O QuartzSiO2
O CalciteCaCO3
O RutileTiO2
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
MgMagnesium
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
SiSilicon
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si QuartzSiO2
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
SSulfur
S PyrrhotiteFe7S8
S PyriteFeS2
S GalenaPbS
S SphaleriteZnS
S ChalcopyriteCuFeS2
S MarcasiteFeS2
CaCalcium
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Ca CalciteCaCO3
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
TiTitanium
Ti IlmeniteFe2+TiO3
Ti RutileTiO2
FeIron
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Fe IlmeniteFe2+TiO3
Fe PyrrhotiteFe7S8
Fe PyriteFeS2
Fe ChalcopyriteCuFeS2
Fe MarcasiteFeS2
CuCopper
Cu ChalcopyriteCuFeS2
ZnZinc
Zn SphaleriteZnS
TeTellurium
Te TellurobismuthiteBi2Te3
Te RucklidgeitePbBi2Te4
AuGold
Au GoldAu
PbLead
Pb GalenaPbS
Pb RucklidgeitePbBi2Te4
BiBismuth
Bi TellurobismuthiteBi2Te3
Bi RucklidgeitePbBi2Te4

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

Archean
2500 - 4000 Ma



ID: 912215
felsic volcanic and volcaniclastic rocks 74288

Age: Archean (2500 - 4000 Ma)

Description: Quartz-feldspar (meta-) porphyry, porphyritic microgranite; rhyolite, dacite, rhyodacite, andesite; agglomerate, breccia tuff; felsic schist; felsic volcanic and volcaniclastic rocks; dacite and rhyodacite tuff; dacite porphyry;

Comments: igneous volcanic; igneous felsic volcanic; synthesis of multiple published descriptions

Lithology: Igneous volcanic; igneous felsic volcanic

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]

Neoarchean - Mesoarchean
2500 - 3200 Ma



ID: 3190109
Archean volcanic rocks

Age: Archean (2500 - 3200 Ma)

Comments: Yilgarn Craton

Lithology: Greenstone belt; mafic volcanic 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]

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

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