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Griffins Find Gold Mine, Lake Grace Shire, Western Australia, Australiai
Regional Level Types
Griffins Find Gold MineMine
Lake Grace ShireShire
Western AustraliaState
AustraliaCountry

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Key
Latitude & Longitude (WGS84):
33° 4' 11'' South , 118° 19' 12'' East
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Neendaling150 (2018)5.4km
Lake Grace505 (2012)14.0km
Kukerin192 (2016)25.4km
Dudinin118 (2013)44.2km
Jilakin120 (2018)44.8km


This small abandoned gold mine is unusual in two respects. Located about 10 kilometres north-west of Lake Grace, it is in the middle of the wheatbelt, well west of the greenstone gold bearing belts further east in Western Australia. It also holds the rare phosphate species walentaite, found in only five locations worldwide, and the mine is Australia's only location for the species.

Gold was discovered in the area in 1957, and mining took place in the 1980's at two small open pits- main pit about 55 metres deep, and the smaller north pit 200 metres to the north-west at 20 metres deep. 55 000 ounces of gold was recovered at 2.8 g/t. Since this time several companies have explored the region, mainly to the north-west and south-east of the historic mines.

There is no access into north pit and the mullock has been re-habiltated. Main pit is water filled but there is a large dump showing granite infused with innumerable tiny almandine garnets. Walentaite is common also as dull yellow coverings across ironstone and quartz.

The deposit is found in an enclave of mafic granulite, which has been intruded by recrystallised lenocratic adamellite. The deposit consists of a surface enriched gold bearing quartz-sulphide lodes, dispersed across a broad surface zone, narrowing at depth.

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


13 valid minerals. 1 (TL) - type locality of 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:

'Albite-Anorthite Series'
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
Arsenopyrite
Formula: FeAsS
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
Diopside
Formula: CaMgSi2O6
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
'Garnet Group'
Formula: X3Z2(SiO4)3
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
'Hypersthene'
Formula: (Mg,Fe)SiO3
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
Jarosite
Formula: KFe3+ 3(SO4)2(OH)6
Reference: Nickel, E.H. (1987) Tungsten-bearing walentaite from Griffins Find gold deposit, Western Australia. Australian Mineralogist (1987): 2: 9-12.
Löllingite
Formula: FeAs2
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
Microcline
Formula: K(AlSi3O8)
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
Natrowalentaite (TL)
Formula: [Fe3+0.5Na0.5(H2O)6][NaAs3+2(Fe3+2.33W6+0.67)(PO4)2O7]
Type Locality:
Reference: Grey, I.E., Mumme, W.G., Kampf, A.R. and MacRae, C.M. (2018) Natrowalentaite, IMA 2018-032a. CNMNC Newsletter No. 46, December 2018, page xxxx; Mineralogical Magazine, 82: xxxx–xxxx.
Pharmacosiderite
Formula: KFe3+4(AsO4)3(OH)4 · 6-7H2O
Reference: Nickel, E.H. (1987) Tungsten-bearing walentaite from Griffins Find gold deposit, Western Australia. Australian Mineralogist (1987): 2: 9-12.
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
Scheelite
Formula: Ca(WO4)
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
Titanite
Formula: CaTi(SiO4)O
Reference: Pasi Eilu (2003) Exploration for orogenic gold deposits. Fennoscandian Exploration and Mining 2003 Rovaniemi, Finland December 2003
Walentaite
Formula: Fe3+3(P0.84As0.16O4)2(O,OH)6As3+2.56Ca0.42Na0.28Mn2+0.35Fe2+0.30O6.1(OH)0.9(H2O)0.9
Reference: Nickel, E.H. (1987) Tungsten-bearing walentaite from Griffins Find gold deposit, Western Australia. Australian Mineralogist (1987): 2: 9-12.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Löllingite2.EB.15aFeAs2
Pyrrhotite2.CC.10Fe7S8
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Jarosite7.BC.10KFe3+3(SO4)2(OH)6
Scheelite7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
Pharmacosiderite8.DK.10KFe3+4(AsO4)3(OH)4 · 6-7H2O
Walentaite8.CH.05Fe3+3(P0.84As0.16O4)2(O,OH)6As3+2.56Ca0.42Na0.28Mn2+0.35Fe2+0.30O6.1(OH)0.9(H2O)0.9
Group 9 - Silicates
Diopside9.DA.15CaMgSi2O6
Microcline9.FA.30K(AlSi3O8)
Titanite9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
'Albite-Anorthite Series'-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Garnet Group'-X3Z2(SiO4)3
'Hypersthene'-(Mg,Fe)SiO3
Natrowalentaite (TL)- [Fe3+0.5Na0.5(H2O)6][NaAs3+2(Fe3+2.33W6+0.67)(PO4)2O7]

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
AmXp, with m:p = 1:1
Pyrrhotite2.8.10.1Fe7S8
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Löllingite2.12.2.9FeAs2
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Jarosite30.2.5.1KFe3+ 3(SO4)2(OH)6
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AXO4·xH2O
Walentaite40.5.10.1Fe3+3(P0.84As0.16O4)2(O,OH)6As3+2.56Ca0.42Na0.28Mn2+0.35Fe2+0.30O6.1(OH)0.9(H2O)0.9
Group 42 - HYDRATED PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)5(XO4)3Zq·xH2O
Pharmacosiderite42.8.1a.1KFe3+4(AsO4)3(OH)4 · 6-7H2O
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Scheelite48.1.2.1Ca(WO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
'Albite-Anorthite Series'-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Garnet Group'-X3Z2(SiO4)3
'Hypersthene'-(Mg,Fe)SiO3
Natrowalentaite (TL)- [Fe3+0.5Na0.5(H2O)6][NaAs3+2(Fe3+2.33W6+0.67)(PO4)2O7]

List of minerals for each chemical element

HHydrogen
H Natrowalentaite [Fe3+0.5Na0.5(H2O)6][NaAs23+(Fe3+2.33W6+0.67)(PO4)2O7]
H WalentaiteFe33+(P0.84As0.16O4)2(O,OH)6As3+2.56Ca0.42Na0.28Mn2+0.35Fe2+0.30O6.1(OH)0.9(H2O)0.9
H PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
H JarositeKFe3+ 3(SO4)2(OH)6
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
OOxygen
O Natrowalentaite [Fe3+0.5Na0.5(H2O)6][NaAs23+(Fe3+2.33W6+0.67)(PO4)2O7]
O WalentaiteFe33+(P0.84As0.16O4)2(O,OH)6As3+2.56Ca0.42Na0.28Mn2+0.35Fe2+0.30O6.1(OH)0.9(H2O)0.9
O PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
O JarositeKFe3+ 3(SO4)2(OH)6
O QuartzSiO2
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O Garnet GroupX3Z2(SiO4)3
O Hypersthene(Mg,Fe)SiO3
O MicroclineK(AlSi3O8)
O TitaniteCaTi(SiO4)O
O DiopsideCaMgSi2O6
O ScheeliteCa(WO4)
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
NaSodium
Na Natrowalentaite [Fe3+0.5Na0.5(H2O)6][NaAs23+(Fe3+2.33W6+0.67)(PO4)2O7]
Na WalentaiteFe33+(P0.84As0.16O4)2(O,OH)6As3+2.56Ca0.42Na0.28Mn2+0.35Fe2+0.30O6.1(OH)0.9(H2O)0.9
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Mg Hypersthene(Mg,Fe)SiO3
Mg DiopsideCaMgSi2O6
AlAluminium
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al MicroclineK(AlSi3O8)
SiSilicon
Si QuartzSiO2
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si Garnet GroupX3Z2(SiO4)3
Si Hypersthene(Mg,Fe)SiO3
Si MicroclineK(AlSi3O8)
Si TitaniteCaTi(SiO4)O
Si DiopsideCaMgSi2O6
PPhosphorus
P Natrowalentaite [Fe3+0.5Na0.5(H2O)6][NaAs23+(Fe3+2.33W6+0.67)(PO4)2O7]
P WalentaiteFe33+(P0.84As0.16O4)2(O,OH)6As3+2.56Ca0.42Na0.28Mn2+0.35Fe2+0.30O6.1(OH)0.9(H2O)0.9
SSulfur
S JarositeKFe3+ 3(SO4)2(OH)6
S PyrrhotiteFe7S8
S ArsenopyriteFeAsS
KPotassium
K PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
K JarositeKFe3+ 3(SO4)2(OH)6
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
K MicroclineK(AlSi3O8)
CaCalcium
Ca WalentaiteFe33+(P0.84As0.16O4)2(O,OH)6As3+2.56Ca0.42Na0.28Mn2+0.35Fe2+0.30O6.1(OH)0.9(H2O)0.9
Ca TitaniteCaTi(SiO4)O
Ca DiopsideCaMgSi2O6
Ca ScheeliteCa(WO4)
TiTitanium
Ti TitaniteCaTi(SiO4)O
MnManganese
Mn WalentaiteFe33+(P0.84As0.16O4)2(O,OH)6As3+2.56Ca0.42Na0.28Mn2+0.35Fe2+0.30O6.1(OH)0.9(H2O)0.9
FeIron
Fe Natrowalentaite [Fe3+0.5Na0.5(H2O)6][NaAs23+(Fe3+2.33W6+0.67)(PO4)2O7]
Fe WalentaiteFe33+(P0.84As0.16O4)2(O,OH)6As3+2.56Ca0.42Na0.28Mn2+0.35Fe2+0.30O6.1(OH)0.9(H2O)0.9
Fe PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
Fe JarositeKFe3+ 3(SO4)2(OH)6
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe Hypersthene(Mg,Fe)SiO3
Fe PyrrhotiteFe7S8
Fe ArsenopyriteFeAsS
Fe LöllingiteFeAs2
AsArsenic
As Natrowalentaite [Fe3+0.5Na0.5(H2O)6][NaAs23+(Fe3+2.33W6+0.67)(PO4)2O7]
As WalentaiteFe33+(P0.84As0.16O4)2(O,OH)6As3+2.56Ca0.42Na0.28Mn2+0.35Fe2+0.30O6.1(OH)0.9(H2O)0.9
As PharmacosideriteKFe43+(AsO4)3(OH)4 · 6-7H2O
As ArsenopyriteFeAsS
As LöllingiteFeAs2
WTungsten
W Natrowalentaite [Fe3+0.5Na0.5(H2O)6][NaAs23+(Fe3+2.33W6+0.67)(PO4)2O7]
W ScheeliteCa(WO4)
AuGold
Au GoldAu

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Nickel, E.H.(1987): Tungsten-bearing Walentaite from Griffins Find Gold Deposit Western Australia, Australian Mineralogist (1987):2:9-14
Mock, C., Elliott, B.G., Ewers, G.R., Lorenz, R.P. (1987), Gold Deposits of Western Australia, BMR, Datafile (MINDEP), Resource Deposit 3, Department of Primary Industries and Energy, Bureau of Mineral Resources Geology and Geophysics, Commonwealth Government of Australia, 1987

External Links


Other Regions, Features and Areas containg 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.
 
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