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5. Former La Trobe River Estuary - "Kilmany Park"

This information has been developed from the publications:

  • Sites of Geological and Geomorphological Significance in Central Gippsland (1981) by Neville Rosengren, M.S McRae-Williams and S.M Kraemers,
  • Sites of Geological and Geomorphological Significance on the Coast of Port Phillip Bay and in the Catchment of Westernport Bay (1984, 88) by Neville Rosengren.
  • Sites of Geological and Geomorphological Significance in the South Gippsland Marine and Coastal Parks (1989) 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 link) section of the Geological Society of Australia website for details of geological heritage reports, and a bibliography.

Location:010795. Six kilometres south-west of Sale near “Kilmany Park”.Sites of Geological & Geomorphological Significance - Figure 19
Sites 8321-5 6

Access:

Settlement Road and Fisks Road.

Ownership:

Private land.

Geology/Geomorphology:

A broad, low and swampy depression on the floodplain north of the La trobe River is probably an abandoned channel of the river. The dimensions of the channel, when compared with the present configuration of the Thomson and La Trobe rivers, suggest that it developed under tidal influence. It thus represents a former estuarine reach of the La Trobe River at a time before the lower valley was filled by deltaic and flood plain sediments, and when Lake Wellington was open to greater tidal influence than at present.

Significance:

Regional. The age of this abandoned channel is uncertain. It probably reflects a Pleistocene rather than Holocene marine flooding of the Lake Wellington – lower La Trobe area.

Management:

Because of the area covered by this site, the value of the significant geomorphological features is unlikely to be affected by localised land disturbance, e.g. further drainage of the channel floor.

References:

Jenkin, J.J. 1968. The geomorphology and upper Cainozoic geology of south-east Gippsland, Victoria.
Mem. geol. Surv. Vict., 27.
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