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33. Bunyip River Bridge - Terraces and Abandoned Channels

This information has been developed from one or more of these publications:

  • Sites of Geological and Geomorphological Significance in the Westernport Bay Catchment (1984) by Neville Rosengren.
  • 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 Environmental Significance in the Flood Plain of the Upper Yarra Valley Region (1983) by Neville Rosengren, Douglas Frood and Kim Lowe (as part of a study of Sites of Environmental Significance by the University of Melbourne for the then Upper Yarra Valley and Dandenong Ranges Authority).
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 (external link) for details of geological heritage reports, and a bibliography.

Location:Tonimbuk - 898837 to Labertouche - 906856. Bunyip River Valley south of the junction with Cannibal Creek and the Tarago River.

Image: Sites of Significance Port Phillip Bay
Terraces and abandoned higher level meander (A) of the Bunyip River.

Access:

Princes Highway and A'Beckett Road.

Ownership:

Crown Land (Public Land Water Frontage Reserve) and private land.

Geomorphology:

This sector of the Bunyip River lies immediately upstream of the Main Drain, and has become incised deeply into the flood plain that was developed prior to drainage of the swamps to the south. The recent incision phase has left a paired terrace system adjacent to the channel. Depressions on the terrace surface are traces of former channels. The configuration and depth of these older channels indicates three stages of terrace incision.

Significance:
State. The site is of considerable interest for the study of the chronology of river channel changes since European settlement in the area.

Management:

Class 2. Extensive building construction and artificial reclamation or filling of the depressions on the terrace surface should not be permitted.

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