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Zircon Gully, Hanging Rock, Nundle, Parry Co., New South Wales, Australia

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Latitude & Longitude (WGS84): 31° 28' 15'' South , 151° 14' 17'' East
Latitude & Longitude (decimal): -31.47093,151.23794
GeoHash:G#: r67scwbhe
Locality type:Gully
Köppen climate type:Cfb : Temperate oceanic climate


Formerly known as fossicking area no. 22. Located within the Hanging Rock State Forest, adjoining the Forest Way (road) on the upper reaches of Duncans Creek. Site has been fossicked by public for more than 40 years (as of 2016).

Weathered basalt yields zircons, pleonaste, ilmenite and scarce corundum. Zircons are:
- Colourless, through honey to deep orange brown.
- Extensively shattered and partly rounded by corrosion.
- From 1 to 15mm.
- Fission track dated at 60.4 Ma.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


4 valid minerals.

Detailed Mineral List:

Corundum
Formula: Al2O3
Reference: Hollis, J.D., & Sutherland, F.L., Occurrences and origins of gem zircons in eastern Australia, in Records of the Australian Museum 36(6):299-311, June 1985
Ilmenite
Formula: Fe2+TiO3
Reference: Hollis, J.D., & Sutherland, F.L., Occurrences and origins of gem zircons in eastern Australia, in Records of the Australian Museum 36(6):299-311, June 1985
Spinel
Formula: MgAl2O4
Reference: Hollis, J.D., & Sutherland, F.L., Occurrences and origins of gem zircons in eastern Australia, in Records of the Australian Museum 36(6):299-311, June 1985
Spinel var: Pleonaste
Formula: (Mg,Fe)Al2O4
Reference: Hollis, J.D., & Sutherland, F.L., Occurrences and origins of gem zircons in eastern Australia, in Records of the Australian Museum 36(6):299-311, June 1985
Zircon
Formula: Zr(SiO4)
Reference: Hollis, J.D., & Sutherland, F.L., Occurrences and origins of gem zircons in eastern Australia, in Records of the Australian Museum 36(6):299-311, June 1985

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
'Corundum'4.CB.05Al2O3
'Ilmenite'4.CB.05Fe2+TiO3
Spinel4.BB.05MgAl2O4
var: Pleonaste4.BB.05(Mg,Fe)Al2O4
Group 9 - Silicates
Zircon9.AD.30Zr(SiO4)

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Corundum4.3.1.1Al2O3
Ilmenite4.3.5.1Fe2+TiO3
Group 7 - MULTIPLE OXIDES
AB2X4
Spinel7.2.1.1MgAl2O4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Unclassified Minerals, Rocks, etc.
Spinel
var: Pleonaste
-(Mg,Fe)Al2O4

List of minerals for each chemical element

OOxygen
O CorundumAl2O3
O IlmeniteFe2+TiO3
O Spinel (var: Pleonaste)(Mg,Fe)Al2O4
O SpinelMgAl2O4
O ZirconZr(SiO4)
MgMagnesium
Mg Spinel (var: Pleonaste)(Mg,Fe)Al2O4
Mg SpinelMgAl2O4
AlAluminium
Al CorundumAl2O3
Al Spinel (var: Pleonaste)(Mg,Fe)Al2O4
Al SpinelMgAl2O4
SiSilicon
Si ZirconZr(SiO4)
TiTitanium
Ti IlmeniteFe2+TiO3
FeIron
Fe IlmeniteFe2+TiO3
Fe Spinel (var: Pleonaste)(Mg,Fe)Al2O4
ZrZirconium
Zr ZirconZr(SiO4)

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

Tertiary
2.588 - 66 Ma



ID: 3192116
Cenozoic volcanic rocks

Age: Cenozoic (2.588 - 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]

Miocene - Langhian
5.333 - 15.97 Ma



ID: 929185
Comboyne Basalt

Age: Miocene (5.333 - 15.97 Ma)

Stratigraphic Name: Comboyne Basalt

Description: Flows of alkaline intergranular olivine basalt, ankaramite and tholeiitic basalt, with occasional sediment interbeds, dolerite, teschenite, trachyte and microsyenite

Comments: igneous mafic volcanic; synthesis of multiple published descriptions

Lithology: Igneous mafic volcanic

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)
Hollis, J.D., & Sutherland, F.L., Occurrences and origins of gem zircons in eastern Australia, in Records of the Australian Museum 36(6):299-311, June 1985


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