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8524-7 Limestone Road

This information has been developed from the publications:

    • Sites of Geological and Geomorphological Significance in Central Gippsland (1981) by Neville Rosengren, M.S McRae-Williams and S.M Kraemers.
    • Sites of Geological and Geomorphological Significance in the Gippsland Lakes Catchment (1984) by Neville Rosengren.
    • Sites of Geological and Geomorphological Significance in East Gippsland, Victoria (1981) by Neville Rosengren, M.S McRae-Williams
Geological heritage sites, including sites of geomorphological interest and volcanic heritage sites, are under regular revision by the Geological Society of Australia, especially in the assessment of significance and values. Reference should be made to the most recent reports. See the Earth Science Heritage section of the Geological Society of Australia website for details of geological heritage reports, and a bibliography.


Location:

940181. Limestone Road between Limestone Creek and Native Dog Plain.

Abstract:

Type section for Thorkidaan Volcanics.

Access:

Limestone Road.

Ownership:

Crown Land.

Geology/Geomorphology:

Road cutting along Limestone Road display the range of rock types included in the Thorkidaan Volcanic Group. Phyolites predominate although ryhodacites are not common. The Volcanics are quite variable in appearance, but most contain phenocrysts of embayed quartz, altered felspar and occasionally biotite. Interculations of tuff are rare although a large ruff band outcrops near the head of Painter Creek. This shows prominent reverse grading suggesting that the tuffs are waterlain tuff ash full deposits. The reverse bedding is due to the delayed settling of the larger vesicular fragments due to the slowness with which they became waterlogged.

Significance:

Regional. Type site of the extensive Thorkidaan volcanics.

Management:

Maintenance of clear exposures in the road cuttings would enhance the quality of the site.

References:

Vandeberg, A.H.M., Bolger, P., O'Shea, P.J. 1980. (in press) 'Geology and Mineral Exploration of the Limestone Creek-Reedy Creek Area, North-East Victoria',
Geol. Surv. V
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