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Hillwood quarry (Hillwood volcano), Craigburn, Tamar Valley, George Town municipality, Tasmania, Australiai
Regional Level Types
Hillwood quarry (Hillwood volcano)Quarry (Abandoned)
CraigburnFarm
Tamar ValleyValley
George Town municipalityMunicipality
TasmaniaState
AustraliaCountry

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Latitude & Longitude (WGS84):
41° 13' 4'' South , 146° 57' 2'' East
Latitude & Longitude (decimal):
Locality type:
Quarry (Abandoned) - last checked 2019
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Deviot466 (2014)2.6km
Hillwood606 (2014)4.0km
Sidmouth403 (2014)4.8km
Kayena328 (2014)5.7km
Loira248 (2014)6.9km


Tertiary basaltic outcrops, with an abandoned quarry. Columnar basalts with small sparse vesicles containing zeolites. On private farming property about 5km NW of Hillwood.

Regions containing this locality

Australian Plate (Australia Plate)Tectonic Plate
Lachlan Orogen, AustraliaOrogen
Melbourne-Mathinna Zone, Lachlan Orogen, AustraliaZone (Tectonic)
Tasmania Basin, Tasmania, AustraliaBasin

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


4 valid minerals.

Detailed Mineral List:

'Apophyllite'
Reference: http://www.crocoite.com/locationbulletins/part1/zeolites.pdf
Calcite
Formula: CaCO3
Reference: http://www.crocoite.com/locationbulletins/part1/zeolites.pdf
'Chabazite'
Reference: http://www.crocoite.com/locationbulletins/part1/zeolites.pdf; R Bottrill collection
Gonnardite
Formula: (Na,Ca)2(Si,Al)5O10 · 3H2O
Reference: http://www.crocoite.com/locationbulletins/part1/zeolites.pdf
Gyrolite
Formula: NaCa16Si23AlO60(OH)8 · 14H2O
Reference: http://www.crocoite.com/locationbulletins/part1/zeolites.pdf
Scolecite
Formula: CaAl2Si3O10 · 3H2O
Reference: http://www.crocoite.com/locationbulletins/part1/zeolites.pdf
'Thomsonite'
Reference: http://www.crocoite.com/locationbulletins/part1/zeolites.pdf

List of minerals arranged by Strunz 10th Edition classification

Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Gonnardite9.GA.05(Na,Ca)2(Si,Al)5O10 · 3H2O
Gyrolite9.EE.30NaCa16Si23AlO60(OH)8 · 14H2O
Scolecite9.GA.05CaAl2Si3O10 · 3H2O
Unclassified Minerals, Rocks, etc.
'Apophyllite'-
'Chabazite'-
'Thomsonite'-

List of minerals arranged by Dana 8th Edition classification

Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 73 - PHYLLOSILICATES Condensed Tetrahedral Sheets
Condensed Tetrahedral Sheets with double and single layers
Gyrolite73.2.2c.1NaCa16Si23AlO60(OH)8 · 14H2O
Group 77 - TECTOSILICATES Zeolites
Zeolite group - True zeolites
Gonnardite77.1.5.7(Na,Ca)2(Si,Al)5O10 · 3H2O
Scolecite77.1.5.5CaAl2Si3O10 · 3H2O
Unclassified Minerals, Mixtures, etc.
'Apophyllite'-
'Chabazite'-
'Thomsonite'-

List of minerals for each chemical element

HHydrogen
H GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
H ScoleciteCaAl2Si3O10 · 3H2O
H Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O
CCarbon
C CalciteCaCO3
OOxygen
O GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
O CalciteCaCO3
O ScoleciteCaAl2Si3O10 · 3H2O
O Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O
NaSodium
Na GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Na Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O
AlAluminium
Al GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Al ScoleciteCaAl2Si3O10 · 3H2O
Al Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O
SiSilicon
Si GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Si ScoleciteCaAl2Si3O10 · 3H2O
Si Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O
CaCalcium
Ca GyroliteNaCa16Si23AlO60(OH)8 · 14H2O
Ca CalciteCaCO3
Ca ScoleciteCaAl2Si3O10 · 3H2O
Ca Gonnardite(Na,Ca)2(Si,Al)5O10 · 3H2O

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: 900502
mafic volcanic rocks 38495

Age: Cenozoic (0 - 66 Ma)

Description: Volcanic rocks, predominantly mafic; basalt, trachyte, trachybasalt, trachyandesite, leucitite, basanite, nephelinite, limburgite, rhyolite, tuff and high level intrusives; rare volcaniclastic sediments

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]

Ordovician
443.8 - 485.4 Ma



ID: 3186041
Paleozoic sedimentary rocks

Age: Ordovician (443.8 - 485.4 Ma)

Lithology: Limestone,sandstone,slate,quartzite,conglomerate

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

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Bottrill, R. S. & Baker, W. E. (2008): A Catalogue of the Minerals of Tasmania. Geological Survey Bulletin 73, Mineral Resources Tasmania, 254 pp.

External Links



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