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Site 32 Merriang - Terraced Floodplain

This information has been developed from one or more of these publications:

  • Sites of Environmental Significance in the Flood Plain of the Upper Yarra Valley Region (1983) by Neville Rosengren, Douglas Frood and Kim Lowe (as part of a study of Sites of Environmental Significance by the University of Melbourne for the then Upper Yarra Valley and Dandenong Ranges Authority).
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:

CLONBINANE 5000/04.03 E25150 N49700
Extending north of the Beveridge Road bridge crossing of Merri Creek at Merriang.
Access:Beveridge Road.
Ownership & Municipality:Private Land, City of Whittlesea.
Site Description:The site enclosed an area of floodplain with a low but distinct terrace on the western side (right bank) of Merri Creek.
Significance Rating:Local.
The site is an example of extensive alluvial deposition of the Merri Creek where is has been blocked for some time by lava flows. The immediate downstream incision by the creek into the basalt is relatively shallow as the small upstream catchment and small flow rate reduces the capacity of the stream to erode the bed. There has been extensive alluvial deposition (possibly in small lakes and swamps) as the stream has cut a channel into the lava flows downstream. The modern channel is also subject to overbank flow and flooding. The alluvial area is contained between lava flows on the west and a ridge of Silurian/Lower Devonian bedrock to the east.
Site Sensitivity:Class 2.
The site would be degraded by subdivision or other built structures. It is clearly visible from the road and does not need improved public access.
References:None known.
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