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5-2 "Softwood" Swamp - Portland North

This information has been developed from the publications:
  • An assessment of the Geological/Geomorphological Significance of Private Land in the Shire of Portland (1981) by N. Rosengren, J Mallen, T Shepherd.
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.

Locality:

7221-507594. One kilometre north of Portland North.

Access:

Track adjacent to the Portland-Ararat railway line off Westlakes Road.

Geology/Geomorphology:

"Softwood" Swamp is a comparatively undisturbed wetland that originated as a basalt sag into a sinkhole developed in limestone of the Heytesbury Group.

Significance:

Regional. This is a clear example of the process of swamp development.

Management:

Grazing access to, and drainage of the swamp should be prohibited.
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