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L10 - Lake Merrimu Pumping Station - Anticline

This information has been developed from this publication:

  • Sites of Geological and Geomorphological Significance in the Western Region of Melbourne (1986) 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 section of the Geological Society of Australia website for details of geological heritage reports, and a bibliography.

Location:Lerderderg - 787315. Shire of Bacchus Marsh. Valley of Pyrites Creek immediately south of the Lake Merrimu Pumping Station.
Image: Sites of Significance Werribee
Lake Merrimu Pumping Station - Anticline

Access:

Coimadai - Diggers Rest Road.

Ownership:

Crown land.

Site Description:

Outcropping on the south bank of the Pyrites Creek is a symmetrical anticline in Ordovician sandstones and slates. The fold is 5 m high and occurs at the base of a truncated spur.

Significance:

Local. The fold is a very clear example of the meso scale deformation structures in the Palaeozoic basement rocks of the Bacchus Marsh area.

Management:

Engineering and water conservation structures associated with Lake Merrimu should be designed to avoid damage or obscuration of the folded structure. Access to the site is currently restricted by these works.
L10 Lake Merrimu
Site - L10
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