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Abra deposit, Mulgul Station, Meekatharra Shire, Western Australia, Australiai
Regional Level Types
Abra depositDeposit
Mulgul Station- not defined -
Meekatharra ShireShire
Western AustraliaState
AustraliaCountry

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Key
Lock Map
Latitude & Longitude (WGS84): 24° 38' 44'' South , 118° 34' 59'' East
Latitude & Longitude (decimal): -24.64583,118.58333
GeoHash:G#: qes7f3mex
Locality type:Deposit
Köppen climate type:BWh : Hot deserts climate


Located 170 km south west of Newman. Stratabound sedimentary deposit

Identified from numerous exploration drillholes. The area was first explored from 1976 by Amoco, then the 1990's by Renison Goldfields Consolidated Limited, Oldcity Nominees Pty Ltd from 2000, and from 2005 by Abra Mining Limited. The Abra deposit was discovered in 1981. Base metal mineralization shows lead, silver, copper and gold. The Genie prospect is 3.5 kilometres east of Abra, Hyperion prospect 2 kilometres west of Abra, Bazaar prospect south of Abra, Rhea prospect north-east, and Tethy's south of Genie. All the mineralization is covered by barren sediment.

The deposits are located in the middle Proterozoic aged Jillawarra Sub-Basin, 65 kilometres long by 10 kilometres wide, the centre dominated by the Coolina Anticline. Abra is found on the southern limb of the anticline. The host stratigraphy is the Jillawarra Formation of siltstone with minor sandstone, Kiangi Creek Formation of siltstone, and the Irregully Formation of siltstone and dolomite. Base metal mineralization occurs in the upper part of the Irregully Formation.

Mineralization at Abra is disseminated and veins hosting galena, chalcopyrite and sphalerite, up to 300 metres thick, 1000 metres east-west, and 800 metres north-south. It is in a core of an intense alteration system comprising upper stratabound alteration mineralization, overlying a complex hydrothermal breccia stockwork.

In the Stratabound Domain at the top there is an upper red banded zone of red banded hematite with sub-ordinate magnetite-barite-carbonate-silica-pyrite-galena. Then a lower black banded zone of banded grey hematite/magnetite-silica-carbonate-chlorite-barite-galena-chalcopyrite-pyrite. In the Stockwork Domain there is pervasive chlorite/siderite alteration of laminated sediments, overprinted by intense hydrothermal breccia, grading to upright laminated veins and zones of quartz-hematite-chalcopyrite-gold-pyrite-magnetite-dolomite.

The deposit occurs in banded massive and brecciated silica-barite-hematite-magnetite-dolomite sequence, underlying chlorite altered hydrothermal breccia. The top of the deposit is 250 metres below the surface. The mineral sequence starts from the top of a Red Banded Zone of silica-barite-jaspillite-hematite-magnetite-dolomite; Dolomite Banded Zone of dolomite-silica-magnetite; Black Banded Zone of silica-magnetite-hematite-dolomite; a Chlorite Alteration-Breccia Stringer Zone; and Footwall Laminated Sediments.

Regions containing this locality

Australian Plate (Australia Plate)Tectonic Plate
West Australian Element, Western Australia, AustraliaCraton
Warakurna Large Igneous Province, Western Australia, AustraliaGeologic Province
Gascoyne Province, Western Australia, AustraliaGeologic Province
Edmund Basin, Western Australia, AustraliaBasin

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


16 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
Formula: Na(AlSi3O8)
Reference: Econ Geol (1987) 82:805-825
Baryte
Formula: BaSO4
Reference: Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.; Econ Geol (1987) 82:805-825; International Geological Congress (2008) MRD-04 Magellan nonsulfide Pb and polymetallic Abra: Two stratabound giant deposits
Bournonite
Formula: PbCuSbS3
Reference: Econ Geol (1987) 82:805-825
Chalcopyrite
Formula: CuFeS2
Reference: Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.; Econ Geol (1987) 82:805-825; International Geological Congress (2008) MRD-04 Magellan nonsulfide Pb and polymetallic Abra: Two stratabound giant deposits
'Chlorite Group'
Reference: Econ Geol (1987) 82:805-825; International Geological Congress (2008) MRD-04 Magellan nonsulfide Pb and polymetallic Abra: Two stratabound giant deposits
Dolomite
Formula: CaMg(CO3)2
Reference: Boddington, T.D.M., (1990), Abra lead-silver-copper-gold deposit, in Hughes, F.E., ed., Geology of the mineral deposits of Australia and Papua New Guinea: Melbourne, The Australian Institute of Mining and Metallurgy Monograph 14, p. 659–-664.
Galena
Formula: PbS
Reference: Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.; Econ Geol (1987) 82:805-825; International Geological Congress (2008) MRD-04 Magellan nonsulfide Pb and polymetallic Abra: Two stratabound giant deposits
Gold
Formula: Au
Reference: Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.
Hematite
Formula: Fe2O3
Reference: Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.; Econ Geol (1987) 82:805-825; International Geological Congress (2008) MRD-04 Magellan nonsulfide Pb and polymetallic Abra: Two stratabound giant deposits
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15. Economic Geology (1987) 82:805-825. International Geological Congress (2008) MRD-04 Magellan nonsulfide Pb and polymetallic Abra: Two stratabound giant deposits.
Microcline var: Hyalophane
Formula: (K,Ba)[Al(Si,Al)Si2O8]
Reference: Econ Geol (1987) 82:805-825
Pyrite
Formula: FeS2
Reference: Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.; Econ Geol (1987) 82:805-825; International Geological Congress (2008) MRD-04 Magellan nonsulfide Pb and polymetallic Abra: Two stratabound giant deposits
Quartz
Formula: SiO2
Reference: Econ Geol (1987) 82:805-825; International Geological Congress (2008) MRD-04 Magellan nonsulfide Pb and polymetallic Abra: Two stratabound giant deposits
Quartz var: Jasper
Reference: International Geological Congress (2008) MRD-04 Magellan nonsulfide Pb and polymetallic Abra: Two stratabound giant deposits
Scheelite
Formula: Ca(WO4)
Reference: Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15.; Econ Geol (1987) 82:805-825; International Geological Congress (2008) MRD-04 Magellan nonsulfide Pb and polymetallic Abra: Two stratabound giant deposits
Siderite
Formula: FeCO3
Reference: Boddington, T.D.M., (1990), Abra lead-silver-copper-gold deposit, in Hughes, F.E., ed., Geology of the mineral deposits of Australia and Papua New Guinea: Melbourne, The Australian Institute of Mining and Metallurgy Monograph 14, p. 659–-664.
Sphalerite
Formula: ZnS
Reference: Vogt, J.H., Stumpf, E.F. (1987) Abra; a strata-bound Pb-Cu-Ba mineralization in the Bangemall Basin, Western Australia, Economic Geology 1987 82:805-825. International Geological Congress (2008) MRD-04 Magellan nonsulfide Pb and polymetallic Abra: Two stratabound giant deposits; International Geological Congress (2008) MRD-04 Magellan nonsulfide Pb and polymetallic Abra: Two stratabound giant deposits.
Tetrahedrite
Formula: Cu6[Cu4(Fe,Zn)2]Sb4S13
Reference: Econ Geol (1987) 82:805-825; International Geological Congress (2008) MRD-04 Magellan nonsulfide Pb and polymetallic Abra: Two stratabound giant deposits

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Bournonite2.GA.50PbCuSbS3
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Pyrite2.EB.05aFeS2
Sphalerite2.CB.05aZnS
Tetrahedrite2.GB.05Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
var: Jasper4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Dolomite5.AB.10CaMg(CO3)2
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Baryte7.AD.35BaSO4
Scheelite7.GA.05Ca(WO4)
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Microcline
var: Hyalophane
9.FA.30(K,Ba)[Al(Si,Al)Si2O8]
Unclassified Minerals, Rocks, etc.
'Chlorite Group'-

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
Galena2.8.1.1PbS
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
3 <ø < 4
Tetrahedrite3.3.6.1Cu6[Cu4(Fe,Zn)2]Sb4S13
ø = 3
Bournonite3.4.3.2PbCuSbS3
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Siderite14.1.1.3FeCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Scheelite48.1.2.1Ca(WO4)
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
Albite76.1.3.1Na(AlSi3O8)
Microcline
var: Hyalophane
76.1.1.3(K,Ba)[Al(Si,Al)Si2O8]
Unclassified Minerals, Mixtures, etc.
'Chlorite Group'-
Quartz
var: Jasper
-SiO2

List of minerals for each chemical element

CCarbon
C DolomiteCaMg(CO3)2
C SideriteFeCO3
OOxygen
O BaryteBaSO4
O HematiteFe2O3
O MagnetiteFe2+Fe23+O4
O ScheeliteCa(WO4)
O QuartzSiO2
O AlbiteNa(AlSi3O8)
O Microcline (var: Hyalophane)(K,Ba)[Al(Si,Al)Si2O8]
O DolomiteCaMg(CO3)2
O SideriteFeCO3
NaSodium
Na AlbiteNa(AlSi3O8)
MgMagnesium
Mg DolomiteCaMg(CO3)2
AlAluminium
Al AlbiteNa(AlSi3O8)
Al Microcline (var: Hyalophane)(K,Ba)[Al(Si,Al)Si2O8]
SiSilicon
Si QuartzSiO2
Si AlbiteNa(AlSi3O8)
Si Microcline (var: Hyalophane)(K,Ba)[Al(Si,Al)Si2O8]
SSulfur
S BaryteBaSO4
S GalenaPbS
S PyriteFeS2
S ChalcopyriteCuFeS2
S SphaleriteZnS
S TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
S BournonitePbCuSbS3
KPotassium
K Microcline (var: Hyalophane)(K,Ba)[Al(Si,Al)Si2O8]
CaCalcium
Ca ScheeliteCa(WO4)
Ca DolomiteCaMg(CO3)2
FeIron
Fe PyriteFeS2
Fe ChalcopyriteCuFeS2
Fe HematiteFe2O3
Fe MagnetiteFe2+Fe23+O4
Fe TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Fe SideriteFeCO3
CuCopper
Cu ChalcopyriteCuFeS2
Cu TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Cu BournonitePbCuSbS3
ZnZinc
Zn SphaleriteZnS
Zn TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
SbAntimony
Sb TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Sb BournonitePbCuSbS3
BaBarium
Ba BaryteBaSO4
Ba Microcline (var: Hyalophane)(K,Ba)[Al(Si,Al)Si2O8]
WTungsten
W ScheeliteCa(WO4)
AuGold
Au GoldAu
PbLead
Pb GalenaPbS
Pb BournonitePbCuSbS3

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: 3193042
Mesoproterozoic sedimentary rocks

Age: Mesoproterozoic (1000 - 1600 Ma)

Stratigraphic Name: Bangemall Group

Comments: Bangemall Basin

Lithology: Carbonate,shale,sandstone

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]

Calymmian
1400 - 1600 Ma



ID: 693153
Muntharra Formation, Kiangi Creek Formation

Age: Calymmian (1400 - 1600 Ma)

Stratigraphic Name: Muntharra Formation; Kiangi Creek Formation

Description: Siltstone and mudstone; sandstone, dolostone, minor conglomerate

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

Lithology: Sedimentary siliciclastic; sedimentary 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)
Vogt, J.H., and Stumpfl, E.F. (1987) Abra - A strata-bound Pb-Cu-Ba mineralization in the Bangemall basin, Western Australia. Economic Geology, 82, 805-825.
Blockley, J.G., Myers, J.S., (1990) Proterozoic rocks of the Western Australian Shield - geology and mineralisation, in Hughes, F.E., ed., Geology of the mineral deposits of Australia and Papua New Guinea: Melbourne, The Australian Institute of Mining and Metallurgy Monograph 14, 607-615.
Boddington, T.D.M. (1990) Abra lead-silver-copper-gold deposit, in Hughes, F.E., ed., Geology of the mineral deposits of Australia and Papua New Guinea: Melbourne, The Australian Institute of Mining and Metallurgy Monograph 14, 659-664.
Ferguson, K.M. (1999) Lead, Zinc and Silver Deposits of Western Australia. Geological Survey of Western Australia, Mineral Resources Bulletin 15, 314 pp.
Pirajno, F. (2004) Metallogeny in the Capricorn orogen, Western Australia, the result of multiple ore-forming processes: Precambrian Research, 128, 411-439.
Pirajno (2009)

External Links



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