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5 Shortlands Bluff - Calcarenite 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 for details of geological heritage reports, and a bibliography.

Location952611. Short cliffed sector immediately east of the Queenscliff lighthouse (Shortlands Bluff).
Image: Sites of Significance Port Phillip Bay
Site 5, Calcrete and calcarenite at
Shortlands Bluff

Access

From Ocean View Lookout carpark.

Ownership/Managing Authority

Commonwealth Land (Department of Transport, Lighthouse Reserve, and Defence Department, Fort Queenscliff College.

Site Description

The upper part of a calcarenite cliff is exposed behind a sector of masonry wall. The lower part of the section is firm, bedded calcarenite but the upper 3 m is complex with thick kunkar development, calcrete breccia, concretions and a buried soil. The section is overlain by unconsolidated dunes sands covering a shell midden. A shallow cave is developing in the softened sandstone below the kunkar horizon. In contrast to the Point Lonsdale, Lighthouse site (Site 2) the shore platform here is sand covered and not well exposed.

Significance

Local. The main features of significance are in the upper parts of the section. Although not as accessible, complex or continuous as the section at Point Lonsdale this site illustrates the similarities to the calcareous formations exposed there. It is the most accessible calcarenite section exposed at Queenscliff.

Management Considerations

Class 2. Occasional clearing of rubbish and trimming of overhanging vegetation is the main maintenance requirement. If the existing seawall is kept in repair, there would be little need for further cliff stabilization works to protect cliff top installations.

Shortlands Bluff
Site 5, Shortlands Bluff calcarenite beds
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