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20. St Germain - Former Stream Courses

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:

Pakenham – 582803. Eight kilometres east of Cranbourne.
Access:Pound Road and Chasemore Road.
Ownership:Private land.
Geomorphology:Trending parallel to the present channel of the Cardinia Creek are traces of former stream courses. They are difficult to perceive on the ground but may be detected on aerial photographs. Hills (1942), suggested that on the basis of meander amplitude, these were independent of Cardinia Creek, and were traces of a larger stream with a drainage source some distance to the north-west.
Significance:Regional. The stream traces may be used to assist in the interpretation of the drainage patterns that contributed to the formation of the extensive (now drained) wetlands to the north of Westernport Bay.
Management:Class 3. Intensive subdivision or large scale excavation or building works that would obscure the stream should be prohibited.

References:

Hills, E.S. (1942). The physiography of the Koo-Wee-Rup Swamp. Proc. Roy. Soc. Vict. 54 (1) 79-92.
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