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46. Bittern West - Ordovician Sediments

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:Balcombe – 350565. Five kilometres west of Bittern.
Image: Sites of Significance Westernport Bay
Folded Ordovician sediments at Hunts
Road Quarry, Site 46.
Access:Hunts Road.
Ownership:Private land.
Geology:An abandoned quarry exposes a highly silicified slate interbedded with quartzite. The beds are folded into a northerly plunging anticline.
Significance:Regional. This is one of the best exposures of folded structures in Ordovician strata in the Westernport Bay catchment.
Management:Class 2. Filling or reclamation of the quarry should not be permitted as this would obscure the significant outcrops.
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