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Lady Loretta deposit (Lady Loretta prospect), Gunpowder District, Mount Isa City Shire, Queensland, Australia

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Latitude & Longitude (WGS84): 19° 46' 7'' South , 139° 4' 1'' East
Latitude & Longitude (decimal): -19.76871,139.06708
GeoHash:G#: rh6zs91wc
Locality type:Deposit
Age:1647 Ma
Geologic Time:Statherian
Reference for age:Large, R. R., & McGoldrick, P. J. (1998). Lithogeochemical halos and geochemical vectors to stratiform sediment hosted Zn–Pb–Ag deposits, 1. Lady Loretta Deposit, Queensland. Journal of Geochemical Exploration, 63(1), 37-56.
Köppen climate type:BSh : Hot semi-arid (steppe) climate


A lead-zinc-silver deposit located 115 kms NW of Mt Isa, NW Queensland.

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Standard Detailed Strunz Dana Chemical Elements

Mineral List


14 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:

Anglesite
Formula: PbSO4
Reference: ournal of Geochemical Exploration Volume 8, Issues 1-2, October 1977, Pages 189-202
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Reference: Large, R. R., & McGoldrick, P. J. (1998). Lithogeochemical halos and geochemical vectors to stratiform sediment hosted Zn–Pb–Ag deposits, 1. Lady Loretta Deposit, Queensland. Journal of Geochemical Exploration, 63(1), 37-56.
Baryte
Formula: BaSO4
Reference: ournal of Geochemical Exploration Volume 8, Issues 1-2, October 1977, Pages 189-202; Large, R. R., & McGoldrick, P. J. (1998). Lithogeochemical halos and geochemical vectors to stratiform sediment hosted Zn–Pb–Ag deposits, 1. Lady Loretta Deposit, Queensland. Journal of Geochemical Exploration, 63(1), 37-56.
'Breccia'
Reference: Large, R. R., & McGoldrick, P. J. (1998). Lithogeochemical halos and geochemical vectors to stratiform sediment hosted Zn–Pb–Ag deposits, 1. Lady Loretta Deposit, Queensland. Journal of Geochemical Exploration, 63(1), 37-56.
Cerussite
Formula: PbCO3
Reference: ournal of Geochemical Exploration Volume 8, Issues 1-2, October 1977, Pages 189-202
Chalcopyrite
Formula: CuFeS2
Reference: Large, R. R., & McGoldrick, P. J. (1998). Lithogeochemical halos and geochemical vectors to stratiform sediment hosted Zn–Pb–Ag deposits, 1. Lady Loretta Deposit, Queensland. Journal of Geochemical Exploration, 63(1), 37-56.
'Chert'
Reference: Large, R. R., & McGoldrick, P. J. (1998). Lithogeochemical halos and geochemical vectors to stratiform sediment hosted Zn–Pb–Ag deposits, 1. Lady Loretta Deposit, Queensland. Journal of Geochemical Exploration, 63(1), 37-56.
Freibergite
Formula: Ag6[Cu4Fe2]Sb4S13-x
Reference: Large, R. R., & McGoldrick, P. J. (1998). Lithogeochemical halos and geochemical vectors to stratiform sediment hosted Zn–Pb–Ag deposits, 1. Lady Loretta Deposit, Queensland. Journal of Geochemical Exploration, 63(1), 37-56.
Galena
Formula: PbS
Reference: Min Yearbook (1988) - zinc: 6.; Canadian Mineralogist Vol. 23, pp. 89-94 (1985); ournal of Geochemical Exploration Volume 8, Issues 1-2, October 1977, Pages 189-202; Large, R. R., & McGoldrick, P. J. (1998). Lithogeochemical halos and geochemical vectors to stratiform sediment hosted Zn–Pb–Ag deposits, 1. Lady Loretta Deposit, Queensland. Journal of Geochemical Exploration, 63(1), 37-56.
Greenockite
Formula: CdS
Reference: Min. Yearbook (1988) - zinc: 6.; Canadian Mineralogist Vol. 23, pp. 89-94 (1985)
Greenockite var: Zincian Greenockite
Formula: (Cd,Zn)S
Reference: Min. Yearbook (1988) - zinc: 6.; Canadian Mineralogist Vol. 23, pp. 89-94 (1985)
Hematite
Formula: Fe2O3
Reference: Large, R. R., & McGoldrick, P. J. (1998). Lithogeochemical halos and geochemical vectors to stratiform sediment hosted Zn–Pb–Ag deposits, 1. Lady Loretta Deposit, Queensland. Journal of Geochemical Exploration, 63(1), 37-56.
Pyrite
Formula: FeS2
Reference: Min Yearbook (1988) - zinc: 6.; Canadian Mineralogist Vol. 23, pp. 89-94 (1985); ournal of Geochemical Exploration Volume 8, Issues 1-2, October 1977, Pages 189-202; Carr, G. R. (1984). Primary geochemical and mineralogical dispersion in the vicinity of the Lady Loretta Zn-Pb-Ag deposit, northwest Queensland. Journal of Geochemical Exploration, 22(1), 217-238.; Large, R. R., & McGoldrick, P. J. (1998). Lithogeochemical halos and geochemical vectors to stratiform sediment hosted Zn–Pb–Ag deposits, 1. Lady Loretta Deposit, Queensland. Journal of Geochemical Exploration, 63(1), 37-56.
Quartz
Formula: SiO2
Reference: Large, R. R., & McGoldrick, P. J. (1998). Lithogeochemical halos and geochemical vectors to stratiform sediment hosted Zn–Pb–Ag deposits, 1. Lady Loretta Deposit, Queensland. Journal of Geochemical Exploration, 63(1), 37-56.
'Sandstone'
Reference: Large, R. R., & McGoldrick, P. J. (1998). Lithogeochemical halos and geochemical vectors to stratiform sediment hosted Zn–Pb–Ag deposits, 1. Lady Loretta Deposit, Queensland. Journal of Geochemical Exploration, 63(1), 37-56.
'Shale'
Reference: Large, R. R., & McGoldrick, P. J. (1998). Lithogeochemical halos and geochemical vectors to stratiform sediment hosted Zn–Pb–Ag deposits, 1. Lady Loretta Deposit, Queensland. Journal of Geochemical Exploration, 63(1), 37-56.
Siderite
Formula: FeCO3
Reference: Carr, G. R. (1984). Primary geochemical and mineralogical dispersion in the vicinity of the Lady Loretta Zn-Pb-Ag deposit, northwest Queensland. Journal of Geochemical Exploration, 22(1), 217-238.; Large, R. R., & McGoldrick, P. J. (1998). Lithogeochemical halos and geochemical vectors to stratiform sediment hosted Zn–Pb–Ag deposits, 1. Lady Loretta Deposit, Queensland. Journal of Geochemical Exploration, 63(1), 37-56.
'Siltstone'
Reference: Large, R. R., & McGoldrick, P. J. (1998). Lithogeochemical halos and geochemical vectors to stratiform sediment hosted Zn–Pb–Ag deposits, 1. Lady Loretta Deposit, Queensland. Journal of Geochemical Exploration, 63(1), 37-56.
Sphalerite
Formula: ZnS
Reference: Min Yearbook (1988) - zinc: 6.; Canadian Mineralogist Vol. 23, pp. 89-94 (1985); ournal of Geochemical Exploration Volume 8, Issues 1-2, October 1977, Pages 189-202; Large, R. R., & McGoldrick, P. J. (1998). Lithogeochemical halos and geochemical vectors to stratiform sediment hosted Zn–Pb–Ag deposits, 1. Lady Loretta Deposit, Queensland. Journal of Geochemical Exploration, 63(1), 37-56.
Tetrahedrite
Formula: Cu6[Cu4(Fe,Zn)2]Sb4S13
Reference: ournal of Geochemical Exploration Volume 8, Issues 1-2, October 1977, Pages 189-202; Large, R. R., & McGoldrick, P. J. (1998). Lithogeochemical halos and geochemical vectors to stratiform sediment hosted Zn–Pb–Ag deposits, 1. Lady Loretta Deposit, Queensland. Journal of Geochemical Exploration, 63(1), 37-56.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
'Chalcopyrite'2.CB.10aCuFeS2
'Freibergite'2.GB.05Ag6[Cu4Fe2]Sb4S13-x
'Galena'2.CD.10PbS
'Greenockite'2.CB.45CdS
var: Zincian Greenockite2.CB.45(Cd,Zn)S
'Pyrite'2.EB.05aFeS2
'Sphalerite'2.CB.05aZnS
'Tetrahedrite'2.GB.05Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 4 - Oxides and Hydroxides
'Hematite'4.CB.05Fe2O3
'Quartz'4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Ankerite'5.AB.10Ca(Fe2+,Mg)(CO3)2
'Cerussite'5.AB.15PbCO3
'Siderite'5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Anglesite'7.AD.35PbSO4
'Baryte'7.AD.35BaSO4
Unclassified Minerals, Rocks, etc.
'Breccia'-
'Chert'-
'Sandstone'-
'Shale'-
'Siltstone'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Greenockite2.8.7.2CdS
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
Freibergite3.3.6.3Ag6[Cu4Fe2]Sb4S13-x
Tetrahedrite3.3.6.1Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Cerussite14.1.3.4PbCO3
Siderite14.1.1.3FeCO3
AB(XO3)2
Ankerite14.2.1.2Ca(Fe2+,Mg)(CO3)2
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Anglesite28.3.1.3PbSO4
Baryte28.3.1.1BaSO4
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Breccia'-
'Chert'-
Greenockite
var: Zincian Greenockite
-(Cd,Zn)S
'Sandstone'-
'Shale'-
'Siltstone'-

List of minerals for each chemical element

CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C CerussitePbCO3
C SideriteFeCO3
OOxygen
O AnglesitePbSO4
O AnkeriteCa(Fe2+,Mg)(CO3)2
O BaryteBaSO4
O CerussitePbCO3
O HematiteFe2O3
O QuartzSiO2
O SideriteFeCO3
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
SiSilicon
Si QuartzSiO2
SSulfur
S AnglesitePbSO4
S BaryteBaSO4
S ChalcopyriteCuFeS2
S FreibergiteAg6[Cu4Fe2]Sb4S13-x
S GalenaPbS
S GreenockiteCdS
S PyriteFeS2
S SphaleriteZnS
S TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
S Greenockite (var: Zincian Greenockite)(Cd,Zn)S
CaCalcium
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
FeIron
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe ChalcopyriteCuFeS2
Fe FreibergiteAg6[Cu4Fe2]Sb4S13-x
Fe HematiteFe2O3
Fe PyriteFeS2
Fe SideriteFeCO3
Fe TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
CuCopper
Cu ChalcopyriteCuFeS2
Cu FreibergiteAg6[Cu4Fe2]Sb4S13-x
Cu TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
ZnZinc
Zn SphaleriteZnS
Zn TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Zn Greenockite (var: Zincian Greenockite)(Cd,Zn)S
AgSilver
Ag FreibergiteAg6[Cu4Fe2]Sb4S13-x
CdCadmium
Cd GreenockiteCdS
Cd Greenockite (var: Zincian Greenockite)(Cd,Zn)S
SbAntimony
Sb FreibergiteAg6[Cu4Fe2]Sb4S13-x
Sb TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
BaBarium
Ba BaryteBaSO4
PbLead
Pb AnglesitePbSO4
Pb CerussitePbCO3
Pb GalenaPbS

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

Calymmian - Statherian
1400 - 1800 Ma



ID: 3185364
Paleoproterozoic-Mesoproterozoic sedimentary rocks

Age: Proterozoic (1400 - 1800 Ma)

Comments: Lawn Hill Platform

Lithology: Shale,sandstone,conglomerate,dolomite

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]

Statherian
1600 - 1800 Ma



ID: 695793
McNamara Group, Lower

Age: Statherian (1600 - 1800 Ma)

Stratigraphic Name: McNamara Group

Description: Drummond Formation and Torpedo Creek Quartzite to Lady Loretta Formation: Dolomite, dolomitic siltstone, quartzose to lithic sandstone, stromatolitic and brecciated chert, siltstone, ferruginous breccia, shale; basal quartzite, conglomerate

Comments: sedimentary siliciclastic; synthesis of multiple published descriptions

Lithology: Sedimentary siliciclastic

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)
Mineral Yearbook (1988) - zinc: 6.
Canadian Mineralogist Vol. 23, pp. 89-94 (1985).
Carr, G. R. (1984). Primary geochemical and mineralogical dispersion in the vicinity of the Lady Loretta Zn-Pb-Ag deposit, northwest Queensland. Journal of Geochemical Exploration, 22(1), 217-238.
Large, R. R., & McGoldrick, P. J. (1998). Lithogeochemical halos and geochemical vectors to stratiform sediment hosted Zn–Pb–Ag deposits, 1. Lady Loretta Deposit, Queensland. Journal of Geochemical Exploration, 63(1), 37-56.


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