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Carrai Creek alluvials, Vernon Co., New South Wales, Australiai
Regional Level Types
Carrai Creek alluvialsAlluvial Deposit (Abandoned)
Vernon Co.County
New South WalesState
AustraliaCountry

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Latitude & Longitude (WGS84): 30° 50' 55'' South , 152° 11' 22'' East
Latitude & Longitude (decimal): -30.84867,152.18953
GeoHash:G#: r6s0x0jj3
Locality type:Alluvial Deposit (Abandoned)
Deposit first discovered:1890
Age:2.588 Ma to present day
Geologic Time:Quaternary
Reference for age:Gilligan, L.B., Brownlow, J.W., Cameron, R.G., Henley, H.F. (1992) Metallogenic Study and Mineral Deposit Data Sheets: Dorrigo-Coffs Harbour 1:250 000 Metallogenic Map SH/56-10, SH/56-11. Geological Survey of New South Wales, Sydney, 509 pages.
Köppen climate type:Cfb : Temperate oceanic climate


A former small placer deposit worked via dredging, sluicing and shallow pits.

Regions containing this locality

New England Orogen, Australia

605 mineral species & varietal names listed

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


3 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:

'Alluvium'
Reference: Gilligan, L.B., Brownlow, J.W., Cameron, R.G., Henley, H.F. (1992) Metallogenic Study and Mineral Deposit Data Sheets: Dorrigo-Coffs Harbour 1:250 000 Metallogenic Map SH/56-10, SH/56-11. Geological Survey of New South Wales, Sydney, 509 pages.
Cassiterite
Formula: SnO2
Reference: Gilligan, L.B., Brownlow, J.W., Cameron, R.G., Henley, H.F. (1992) Metallogenic Study and Mineral Deposit Data Sheets: Dorrigo-Coffs Harbour 1:250 000 Metallogenic Map SH/56-10, SH/56-11. Geological Survey of New South Wales, Sydney, 509 pages.
Gold
Formula: Au
Reference: Gilligan, L.B., Brownlow, J.W., Cameron, R.G., Henley, H.F. (1992) Metallogenic Study and Mineral Deposit Data Sheets: Dorrigo-Coffs Harbour 1:250 000 Metallogenic Map SH/56-10, SH/56-11. Geological Survey of New South Wales, Sydney, 509 pages.
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: Gilligan, L.B., Brownlow, J.W., Cameron, R.G., Henley, H.F. (1992) Metallogenic Study and Mineral Deposit Data Sheets: Dorrigo-Coffs Harbour 1:250 000 Metallogenic Map SH/56-10, SH/56-11. Geological Survey of New South Wales, Sydney, 509 pages.
'Wolframite'
Formula: (Fe2+)WO4 to (Mn2+)WO4
Reference: Gilligan, L.B., Brownlow, J.W., Cameron, R.G., Henley, H.F. (1992) Metallogenic Study and Mineral Deposit Data Sheets: Dorrigo-Coffs Harbour 1:250 000 Metallogenic Map SH/56-10, SH/56-11. Geological Survey of New South Wales, Sydney, 509 pages.

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Gold'1.AA.05Au
Group 4 - Oxides and Hydroxides
'Cassiterite'4.DB.05SnO2
Group 9 - Silicates
'Topaz'9.AF.35Al2(SiO4)(F,OH)2
Unclassified Minerals, Rocks, etc.
'Alluvium'-
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

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 4 - SIMPLE OXIDES
AX2
Cassiterite4.4.1.5SnO2
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
Unclassified Minerals, Rocks, etc.
'Alluvium'-
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals for each chemical element

HHydrogen
H TopazAl2(SiO4)(F,OH)2
OOxygen
O CassiteriteSnO2
O TopazAl2(SiO4)(F,OH)2
O Wolframite(Fe2+)WO4 to (Mn2+)WO4
FFluorine
F TopazAl2(SiO4)(F,OH)2
AlAluminium
Al TopazAl2(SiO4)(F,OH)2
SiSilicon
Si TopazAl2(SiO4)(F,OH)2
MnManganese
Mn Wolframite(Fe2+)WO4 to (Mn2+)WO4
FeIron
Fe Wolframite(Fe2+)WO4 to (Mn2+)WO4
SnTin
Sn CassiteriteSnO2
WTungsten
W Wolframite(Fe2+)WO4 to (Mn2+)WO4
AuGold
Au GoldAu

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

Middle Triassic - Early Triassic
237 - 251.902 Ma



ID: 918008
Carrai Granodiorite

Age: Triassic (237 - 251.902 Ma)

Stratigraphic Name: Carrai Granodiorite

Description: Hornblende-biotite granodiorite, and monzogranite, minor biotite leucogranite. Granitoids of unnamed suite (Gundle granitoid belt) I-type granitoids and leucogranites

Comments: igneous felsic intrusive; synthesis of multiple published descriptions

Lithology: Igneous felsic intrusive

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]

Early Permian
272.95 - 298.9 Ma



ID: 3186666
Paleozoic sedimentary rocks

Age: Cisuralian (272.95 - 298.9 Ma)

Comments: New England Fold Belt

Lithology: Limestone,mudstone,tillite,siltstone,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]

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)
Gilligan, L.B., Brownlow, J.W., Cameron, R.G., Henley, H.F. (1992) Metallogenic Study and Mineral Deposit Data Sheets: Dorrigo-Coffs Harbour 1:250 000 Metallogenic Map SH/56-10, SH/56-11. Geological Survey of New South Wales, Sydney, 509 pages.


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