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Gloucester Ruby mine, Barrington Tops, Gloucester Co., New South Wales, Australiai
Regional Level Types
Gloucester Ruby mineMine
Barrington Tops- not defined -
Gloucester Co.County
New South WalesState

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Latitude & Longitude (WGS84): 31° 52' South , 151° 30' East
Latitude & Longitude (decimal): -31.86667,151.50000
GeoHash:G#: r67dxqygj
Locality type:Mine
Köppen climate type:Cfb : Temperate oceanic climate
Nearest Settlements:
Moonan Flat185 (2012)24.2km
Copeland310 (2012)34.8km
Nowendoc157 (2013)43.8km
Gloucester3,103 (2012)46.4km

Gem mining in gravels, started 2003.
Zircon and sapphire from minor felsic melts during lesser thermal activity. Ruby from Barrington volcano is of metamorphic/metasomatic origin associated with basement ultramafic bodies.

The lease area for this mine covers is large and encompasses an area between 31.50 South and 32.00 South and between 151.25 East and 151.35 East.
Much of the area is swamp or previous swamp land located around the Gummi River.

Regions containing this locality

Australian Plate (Australia Plate)Tectonic Plate
Lachlan Orogen, AustraliaOrogen
New England Orogen, AustraliaOrogen
Eastern Province, Lachlan Orogen, AustraliaGeologic Province
Tamworth Province, New England Orogen, AustraliaGeologic Province

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

2 valid minerals.

Detailed Mineral List:

Formula: Al2O3
Corundum var: Ruby
Formula: Al2O3
Corundum var: Sapphire
Formula: Al2O3
Description: Yellow, green and blue.
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
var: Ruby4.CB.05Al2O3
var: Sapphire4.CB.05Al2O3
Group 9 - Silicates

List of minerals arranged by Dana 8th Edition classification

Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Unclassified Minerals, Mixtures, etc.
var: Ruby
var: Sapphire-Al2O3

List of minerals for each chemical element

O Corundum (var: Ruby)Al2O3
O Corundum (var: Sapphire)Al2O3
O ZirconZr(SiO4)
O CorundumAl2O3
Al Corundum (var: Ruby)Al2O3
Al Corundum (var: Sapphire)Al2O3
Al CorundumAl2O3
Si ZirconZr(SiO4)
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

Roadian - Kungurian
268.8 - 283.5 Ma

ID: 853397
Barrington Tops Granodiorite

Age: Permian (268.8 - 283.5 Ma)

Stratigraphic Name: Barrington Tops Granodiorite

Description: Grey hypersthene-augite granodiorite, minor microgranite and monzogranite, intruded by quartz diorite dykes, stocks and altered mafic 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]

Mississippian - Late Devonian
323.2 - 382.7 Ma

ID: 3188786
Paleozoic sedimentary and volcanic rocks

Age: Paleozoic (323.2 - 382.7 Ma)

Comments: New England Fold Belt

Lithology: Shale,chert,schist,phyllite,greywacke,volcanigenic siltstone,limestone

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


Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Australian Journal of Earth Sciences 48 (2001) 221ff;
Fourth Annual Exploration Report EL 5336, Gloucester area NSW Geological Survey report (GS 1999/058)

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