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Cape Sir William Grant

This information has been obtained from the report: Eruption Points of the Newer Volcanic Province of Victoria by Neville Rosengren. This report was published in 1994 and was prepared for the National Trust of Australia (Victoria) and the Geological Society of Australia (Victorian Division). The review of eruption points was based on an earlier unpublished manuscript Catalogue of the post-Miocene volcanoes of Victoria compiled by O P Singleton and E B Joyce (Geology Department, University of Melbourne 1970).

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 value. 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:38 23 30S 141 37 30E (external link); 7221-3-3 (Chaucer) 544487. 7 km S of Portland. Orana Drive Portland (City).

Land Tenure/Use:
Public and private land. Coastal walking tracks. Access in part restricted by Portland aluminium smelter site. Very difficult and in places dangerous access due to thick coastal scrub and unstable cliff materials.

Type 9:

Composite eruption point.

This site is an eroded remnant of a composite volcano, of lava flows and tuff. Four vents are exposed in sea cliffs. Refer to the detailed description accompanying Cape Nelson.

60+m; 60 m.

National:
Refer to Cape Nelson.

Class 3:
This is a robust site. Refer to Cape Nelson.
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