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81. Rutherford Inlet - Warneet Beds

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:Devon Meadows – 527686. The shoreline of Rutherford Inlet at the town of Warneet on both sides of the channel.
Image: Sites of Significance Westernport Bay
Unconformity between Cranbourne Sand (A)
and Warneet Beds (B), Rutherford Inlet, Site 81

Access:

Cannons Creek Road, Irene Parade, Rutherford Parade.

Ownership:

Crown Land.

Geology/Geomorphology:

The cliffs bordering Rutherford Inlet are two to four metres high, and display geological sections of the unconformity between the Warneet Beds and the overlying Cranbourne Sands.


Significance:
State. The site affords the best exposure of the beds classified by Jenkin (1962) as the Warneet Beds. Because the age and origin of these beds is uncertain, (Cass 1973, Thompson 1974, Spencer –Jones et al 1975), it is essential that this section be retained as a teaching and research locality.
Management:Class 1. Preservation of extensive lateral and vertical sections of the beds is desirable. No artificial shore protection structures at the base of the cliffs should be permitted as these would obscure important parts of the section. Pedestrian access should be controlled to avoid traffic down the cliff face as this causes slumping in the unconsolidated Cranbourne Sands.

References:

Jenkin, J.J. (1962). The geology and hydrogeology of the Westernport area.
Dept. of Mines, Vict. Underground Water Investigation Report. No. 5.
Cass, M.R. (1973). The geology of the Tyabb and Koo-Wee-Rup sections of the Targo-Westernport pipeline. B.Sc. (Hons.) thesis, Geol. Dept., Univ. of Melb.
Thompson, B.R. (1974). The geology and hydrogeology of the Westernport sunklands. Geol. Surv. Report. 1974/1. Spencer-Jones, D., Marsden, M.A.H., Barton, C.M. & Carrillo-Rivera, J.J. (1975). Geology of the Westernport sunkland. Proc. Roy. Soc. Vict. (87) (1&2), 43-68.

Image: Sites of Significance Westernport Bay
Shore protection schemes such as this obscure
geologically significant sections at Rutherford
Inlet, Site 81.
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