Olivers Road, Gads Hill, Upper Mersey Valley, Meander Valley municipality, Tasmania, Australiai
|Regional Level Types|
|Upper Mersey Valley||Valley|
|Meander Valley municipality||Municipality|
This page is currently not sponsored. Click here to sponsor this page.
|Latitude & Longitude (WGS84):||41° 33' 57'' South , 146° 13' 13'' East|
|Latitude & Longitude (decimal):||-41.56605,146.22030|
|Köppen climate type:||Cfb : Temperate oceanic climate|
This area has a thick sequence of Paleogene basalts, with some highly vesicular zones in the lower parts (Sutherland and Bottrill, 2005).
The best known site is on the eastern side of the hill along the Mole Creek to Sheffield highway alongside a scenic lookout, and is the locality documented by Andersen (1984). It is here that vesicles many metres across have produced specimens with large chabazite- Ca crystals. Chabazite-Na as herschelite has also been reported from Gads Hill (Sutherland and Bottrill, 2005).
Two occurrences of note were reported by Andersen, one, a cavern measuring 8 metres by 3 metres by 1 metre, the second, 5 metres by 2 metres by 1 metre. Phillipsite, thomsonite and calcite occurred with the chabazite in these vesicles. Rare levyne was also recorded from this locality, the first reported occurrence of this mineral in Tasmania.
Other minerals recorded by Andersen include apophyllite, nontronite, tacharanite and tobermorite. It is still possible to collect specimens from the boulders on the eastern side of the road, but the area is quite overgrown and leeches are common.
Regions containing this locality
|Australian Plate (Australia Plate)||Plate|
|Delamerian Orogen, Australia||Orogen|
|Thylacine Province, Tasmania, Australia||Geologic Province|
Select Mineral List TypeStandard Detailed Strunz Dana Chemical Elements
2 valid minerals.
Detailed Mineral List:
Formula: Na(AlSi2O6) · H2O
List of minerals arranged by Strunz 10th Edition classification
|Group 5 - Nitrates and Carbonates|
|Group 9 - Silicates|
|ⓘ||Analcime||9.GB.05||Na(AlSi2O6) · H2O|
|Unclassified Minerals, Rocks, etc.|
List of minerals arranged by Dana 8th Edition classification
|Group 14 - ANHYDROUS NORMAL CARBONATES|
|Group 77 - TECTOSILICATES Zeolites|
|Zeolite group - True zeolites|
|ⓘ||Analcime||22.214.171.124||Na(AlSi2O6) · H2O|
|Unclassified Minerals, Mixtures, etc.|
List of minerals for each chemical element
|H||ⓘ Analcime||Na(AlSi2O6) · H2O|
|O||ⓘ Analcime||Na(AlSi2O6) · H2O|
|Na||ⓘ Analcime||Na(AlSi2O6) · H2O|
|Al||ⓘ Analcime||Na(AlSi2O6) · H2O|
|Si||ⓘ Analcime||Na(AlSi2O6) · H2O|
Sort byYear (asc) Year (desc) Author (A-Z) Author (Z-A)
Sutherland, F.L., Bottrill, R.S. (2005) Zeolites of western Tasmania. Australian Journal of Mineralogy 10:2, 59-72.
Andersen, P., 1984. Zeolites from Gads Hill, Tasmania. Australian Mineralogist. 47, p. 279-
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.