G18, G19, G20 - Tarrawarra - Meander Patterns and Outcrop

This information has been developed from the publications:

Sites of Geological and Geomorphological Significance in the Western Region of Melbourne (1986) by Neville Rosengren
Sites of Geological and Geomorphological Significance on the Coast of Port Phillip Bay (1988) by Neville Rosengren.
Sites of Geological and Geomorphological Significance in the Shire of Otway (1984) by Neville Rosengren.

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 (external link) section of the Geological Society of Australia website for details of geological heritage reports, and a bibliography.

Location:

AMG Ref: 608304. Tarrawarra.

Image: Upper Yarra Sites of Significance

South of Tarrawarra

Access:

Tarrawarra Road to north side of river.

Geomorphology:

Sites G18 and G20 show meander patterns of the Yarra. At G18 there is a fine example of an anvil or "T" meander with three imminent cut-off localities that will substantially alter the river alignment. At G20 there are complex cut-off patterns similar to those that will develop at G18. G19 Humevale Formation outcrops on the north bank of the river.

Significance:

Local. G18, G19, G20. The two meander sites are representative of the larger meander forms on the Yarra flats. The G19 site illustrates the structural control of the northern margin of the floodplain.

Management:

Class 2. As public access is available to G19, a river access sign on the Healesville Road could be provided.

G18, G19, G20 - Tarrawarra - Meander Patterns and Outcrop

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