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8323-7 Dargo

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:

240550. Area to the north and east of Dargo.

Abstract:

Weathering and erosion basin formed on granite, metamorphic aureole ridge.

Access:

Dalmore Road and Jones Road.

Ownership:

Private land.

Geology:

Ordovician sandstones and quartzites have been metamorphosed to horn felsic rocks by the intrusion of granite in the Dargo area.

Geomorphology:

The granites are deeply weathered and stream erosion has given rise to a large area of negative relief enclosed within an erosion resistant contact metamorphic ridge. The granite basin is gently undulating and in marked contrast to the steep slopes of the contact metamorphic ridge which rise to 400 m.


The Dargo River has developed wide alluvial flats over the weathered granite.

Significance:

State. The Dargo granite basin is an outstanding example of an etched landscape and comparable to such classic sites as the Murmungee Basin in north-eastern Victoria.

Management:

Because of the area covered by the site the value of the significant geomorphological features would not be seriously reduced by localised land disturbance, e.g. road works or extractive industries.

References:

Ollier, C.D. 1962.
Weathering. Oliver and Boyd, Edinburgh.
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