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Lake Seabrook fluorite prospect, Koolyanobbing, Yilgarn Shire, Western Australia, Australiai
Regional Level Types
Lake Seabrook fluorite prospectProspect
Koolyanobbing- not defined -
Yilgarn ShireShire
Western AustraliaState
AustraliaCountry

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Key
Lock Map
Latitude & Longitude (WGS84):
30° 31' South , 119° 33' East
Latitude & Longitude (decimal):
Locality type:
Map co-ordinates in the source do not match the written directions. (This has been a common problem in GSWA publications, and an alternative source is needed before listing the site on Mindat maps.)


Located 10 kilometres south-east of Koolyanobbing.

Originally pegged by the Morton family in 1967, who entered an exploration partnership with Freeport of Australia/Barrier Exploration NL/Metals Exploration NL.

Fine powdery fluorite with scheelite covering 500 metres of a 3 kilometre long crushed zone to 25 metres wide.

Regions containing this locality

Australian Plate (Australia Plate)Tectonic Plate
West Australian Element, Western Australia, AustraliaCraton
Yilgarn Craton, Western Australia, AustraliaCraton

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


11 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: Abeysinghe, P.B., Fetherston, J.M. (1997) Barite and Fluorite in Western Australia. Western Australia Geological Survey, Mineral Resources Bulletin 17, 97 pages.
Azurite
Formula: Cu3(CO3)2(OH)2
Reference: Abeysinghe, P.B., Fetherston, J.M. (1997) Barite and Fluorite in Western Australia. Western Australia Geological Survey, Mineral Resources Bulletin 17, 97 pages.
Beryl
Formula: Be3Al2(Si6O18)
Reference: Abeysinghe, P.B., Fetherston, J.M. (1997) Barite and Fluorite in Western Australia. Western Australia Geological Survey, Mineral Resources Bulletin 17, 97 pages.
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: Abeysinghe, P.B., Fetherston, J.M. (1997) Barite and Fluorite in Western Australia. Western Australia Geological Survey, Mineral Resources Bulletin 17, 97 pages.
Chalcocite
Formula: Cu2S
Reference: Abeysinghe, P.B., Fetherston, J.M. (1997) Barite and Fluorite in Western Australia. Western Australia Geological Survey, Mineral Resources Bulletin 17, 97 pages.
'Chlorite Group'
Reference: Abeysinghe, P.B., Fetherston, J.M. (1997) Barite and Fluorite in Western Australia. Western Australia Geological Survey, Mineral Resources Bulletin 17, 97 pages.
Fluorite
Formula: CaF2
Reference: Abeysinghe, P.B., Fetherston, J.M. (1997) Barite and Fluorite in Western Australia. Western Australia Geological Survey, Mineral Resources Bulletin 17, 97 pages.
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Abeysinghe, P.B., Fetherston, J.M. (1997) Barite and Fluorite in Western Australia. Western Australia Geological Survey, Mineral Resources Bulletin 17, 97 pages.
Powellite
Formula: Ca(MoO4)
Reference: Abeysinghe, P.B., Fetherston, J.M. (1997) Barite and Fluorite in Western Australia. Western Australia Geological Survey, Mineral Resources Bulletin 17, 97 pages.
Quartz
Formula: SiO2
Reference: Abeysinghe, P.B., Fetherston, J.M. (1997) Barite and Fluorite in Western Australia. Western Australia Geological Survey, Mineral Resources Bulletin 17, 97 pages.
Talc
Formula: Mg3Si4O10(OH)2
Reference: Abeysinghe, P.B., Fetherston, J.M. (1997) Barite and Fluorite in Western Australia. Western Australia Geological Survey, Mineral Resources Bulletin 17, 97 pages.
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: Abeysinghe, P.B., Fetherston, J.M. (1997) Barite and Fluorite in Western Australia. Western Australia Geological Survey, Mineral Resources Bulletin 17, 97 pages.
Tremolite
Formula: ☐{Ca2}{Mg5}(Si8O22)(OH)2
Reference: Abeysinghe, P.B., Fetherston, J.M. (1997) Barite and Fluorite in Western Australia. Western Australia Geological Survey, Mineral Resources Bulletin 17, 97 pages.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Chalcocite2.BA.05Cu2S
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Azurite5.BA.05Cu3(CO3)2(OH)2
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Powellite7.GA.05Ca(MoO4)
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Beryl9.CJ.05Be3Al2(Si6O18)
Talc9.EC.05Mg3Si4O10(OH)2
Topaz9.AF.35Al2(SiO4)(F,OH)2
Tremolite9.DE.10☐{Ca2}{Mg5}(Si8O22)(OH)2
Unclassified Minerals, Rocks, etc.
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Azurite16a.2.1.1Cu3(CO3)2(OH)2
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 48 - ANHYDROUS MOLYBDATES AND TUNGSTATES
AXO4
Powellite48.1.2.2Ca(MoO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Topaz52.3.1.1Al2(SiO4)(F,OH)2
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
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 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Talc71.2.1.3Mg3Si4O10(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
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
'Chlorite Group'-

List of minerals for each chemical element

HHydrogen
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
H MalachiteCu2(CO3)(OH)2
H AzuriteCu3(CO3)2(OH)2
H TopazAl2(SiO4)(F,OH)2
H TalcMg3Si4O10(OH)2
H Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
H Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
BeBeryllium
Be BerylBe3Al2(Si6O18)
CCarbon
C MalachiteCu2(CO3)(OH)2
C AzuriteCu3(CO3)2(OH)2
OOxygen
O PowelliteCa(MoO4)
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
O MalachiteCu2(CO3)(OH)2
O AzuriteCu3(CO3)2(OH)2
O BerylBe3Al2(Si6O18)
O TopazAl2(SiO4)(F,OH)2
O TalcMg3Si4O10(OH)2
O Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
O Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
O QuartzSiO2
FFluorine
F FluoriteCaF2
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
F TopazAl2(SiO4)(F,OH)2
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Mg TalcMg3Si4O10(OH)2
Mg Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Mg Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
AlAluminium
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Al BerylBe3Al2(Si6O18)
Al TopazAl2(SiO4)(F,OH)2
SiSilicon
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Si BerylBe3Al2(Si6O18)
Si TopazAl2(SiO4)(F,OH)2
Si TalcMg3Si4O10(OH)2
Si Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Si Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Si QuartzSiO2
SSulfur
S ChalcociteCu2S
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
CaCalcium
Ca PowelliteCa(MoO4)
Ca FluoriteCaF2
Ca Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2
Ca Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
FeIron
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Fe Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
CuCopper
Cu MalachiteCu2(CO3)(OH)2
Cu AzuriteCu3(CO3)2(OH)2
Cu ChalcociteCu2S
MoMolybdenum
Mo PowelliteCa(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

Cenozoic
0 - 66 Ma



ID: 726150
sand plain 38499

Age: Cenozoic (0 - 66 Ma)

Description: Sand or gravel plains; may include some residual alluvium; quartz sand sheets commonly with ferruginous pisoliths or pebbles; local clay, calcrete, laterite, silcrete, silt, colluvium

Comments: regolith; synthesis of multiple published descriptions

Lithology: Regolith

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: 3193082
Archean crystalline metamorphic rocks

Age: Archean (2500 - 3200 Ma)

Comments: Yilgarn Craton

Lithology: 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]

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

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Abeysinghe, P.B., Fetherston, J.M. (1997) Barite and Fluorite in Western Australia. Western Australia Geological Survey, Mineral Resources Bulletin 17, 97 pages.


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