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3.1 Tomahawk Creek Tributary

This information has been developed from the publications:

  • 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 Geological and Geomorphological Significance in the Shire of Otway (1984) by Neville Rosengren.
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 (external site) section of the Geological Society of Australia website for details of geological heritage reports, and a bibliography.

Location:3-092363. Seven kilometres north of Carlisle River.

Access:

Pipe Line Road.

Ownership:

Crown land.

Geology
/Geomorphology:

This site consists of a broad swampy depression which is linked by two outlets to a stream draining into Tomahawk Creek. Two small residual lakes occupy part of the depression. The basin is formed in deeply leached wind blown sands of the Dilwyn Formation.

Significance:

Regional. This is a clear example of the complex processes that produce the drainage pattern of the upper Tomahawk Creek. These include deflation, fluvial erosion and swamp development in areas where drainage is impeded. The small lakes are of particular interest.

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