2. Landslip - Mt Mardan

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:	223435. Two kilometres west of Mardan (nine kilometres south-west of Mirboo North).	Sites 8121-2 to 7
Access:	Mt. Mardan Road
Ownership:	Private land
Geology/Geomorphology:	This landslip has developed at the base of the Older Volcanic rocks where weathered basalt has slumped along a shear plane probably developed at the contact with underlying cretaceous sedimentary rocks. In the lower, steeper part of the slump, extensive block fracturing has taken place and an earthflow extends into Toomey Creek.
Significance:	Regional. This large mass movement illustrates the slope instability that occurs at the contact between the Cretaceous and Older Volcanic rocks.
Management:	Mass movement processes in the South Gippsland Hills - Landslips and Soil Creep

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