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51. Tyabb - Minor Terrace Escarpment

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:Tyabb – 375523. Two kilometres north-east of Balnarring.
Access:Frankston – Flinders Road.
Ownership:Private Land.
Geomorphology:A degraded escarpment averaging 1.5 metres high lies at the back of a low terrace that has developed on the valley side slopes just west of the line of the Tyabb Fault. The escarpment and terrace are remnants of more extensive early Pleistocene terraces, these being modified by late earth movements, sea level changes, and alluviation of valleys.
Significance:Regional. Although an indistinct landform, the small changes in slope are important indicators of the erosional and depositional history of the Mornington Peninsula.
Management:Class 2. Changes in land use that involved substantial changes to the form of the hillslopes, or masked the nature of the terrace and escarpment, should not be permitted.
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