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Biscuit Creek, Round Mountain, Clarke Co., New South Wales, Australia

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Latitude & Longitude (WGS84): 30° 23' 11'' South , 152° 15' 34'' East
Latitude & Longitude (decimal): -30.38646,152.25957
GeoHash:G#: r6s70u241
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 deposit worked along the creek ia dredging and sluicing.

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Standard Detailed Strunz Dana Chemical Elements

Mineral List


2 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.
Corundum
Formula: Al2O3
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.
Corundum var: Sapphire
Formula: Al2O3
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.
'Gravel'
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.
'Sand'
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 4 - Oxides and Hydroxides
'Cassiterite'4.DB.05SnO2
'Corundum'4.CB.05Al2O3
var: Sapphire4.CB.05Al2O3
Unclassified Minerals, Rocks, etc.
'Alluvium'-
'Gravel'-
'Sand'-

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
AX2
Cassiterite4.4.1.5SnO2
Unclassified Minerals, Rocks, etc.
'Alluvium'-
Corundum
var: Sapphire
-Al2O3
'Gravel'-
'Sand'-

List of minerals for each chemical element

OOxygen
O CassiteriteSnO2
O CorundumAl2O3
O Corundum (var: Sapphire)Al2O3
AlAluminium
Al CorundumAl2O3
Al Corundum (var: Sapphire)Al2O3
SnTin
Sn CassiteriteSnO2

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: 3187141
Cenozoic volcanic rocks

Age: Cenozoic (0 - 66 Ma)

Comments: East Australia Cainozoic Volcanic Belt

Lithology: Mafic volcanic rocks; basalt

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]

Middle Triassic - Early Triassic
237 - 251.902 Ma



ID: 917823
Round Mountain Leucomonzogranite

Age: Triassic (237 - 251.902 Ma)

Stratigraphic Name: Round Mountain Leucomonzogranite

Description: Biotite leucogranite, minor hornblende-biotite leucogranite, miarolitic albite leucogranite dykes

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]

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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