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Bf3 Moorabool River, Hamlyn Heights - Rotational Slump


Geelong - Maude Area, Tertiary Stratigraphic Sites

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.

LocationBatesford - 648778. Former Shire of Corio. Eastern bank of Moorabool River, 500 m west of Chaucer Street Reserve, Hamlyn Heights, Geelong.

Access

Chaucer Street, Sladen Street.

Ownership

Private land.

Site Description

A large rotational slump with deformation flow in the lower sectors extends from the upper valley edge to the Moorabool River. The headwall scarp exposes Moorabool Viaduct Sand overlying Fyansford Formation.

Significance

Local. The site is a good natural exposure of the two formations and a clear example of a large scale mass movement process. This process of valley widening is typical of the mechanism by which the Moorabool valley has achieved its distinctive form.

Management

Class 2. The site should be retained without modification or stabilization. The hazard nature of the site should be recognized and no permits allowed for structures that could be damaged by further movements of the slump.
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