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3-2 Landslip north west of Tahara

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:

7222-559260. Seven kilometres north-west of Tahara.

Access:

Tiemans Road off Merino-Coleraine Road.

Geology/Geomorphology:

This site comprises a small landslip on weathered Lower Cretaceous sediments (Otway Group). The headwall of the original slide exposes grey clay overlain by 30 cm of a ferric concretionary horizon. This has been referred to as a Tertiary laterite capping. Further slumping, terracing, and tunnelling occurs downslope from the base of the original slide. The site has been heavily grazed.
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