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8723-8 Cann River Valley

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 in the Gippsland Lakes Catchment (1984) by Neville Rosengren.
    • Sites of Geological and Geomorphological Significance in East Gippsland, Victoria (1981) by Neville Rosengren, M.S McRae-Williams
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:

946615 to 940540. The Cann River valley from Weeragua to near Noorinbee North.

Image:  East Gippsland Sites of Significance
Braided stream (arrowed) and narrow alluvial valley of the Cann River at Weeragua.

Abstract:

Fault controlled river valley.

Access:

Cann Valley Highway.

Ownership:

Predominantly private land.

Geology/Geomorphology:

Noorinbee Granodiorite is well exposed in the Cann River where the river has incised a deep valley orientated north south along a major fault lineament. The granodiorite is highly fractured and to the north near Noorinbee North a doleritic dyke has intruded along a major fracture trending north west.


Wedges of Ordovician sandstones and slates are faulted against the granodiorites and these sediments are exposed in the Archie Hill area, immediately east of the Cann River.

Small deposits of alluvium occur in the widened valley sections, upstream from Noorinbee North and larger alluvial deposits occur downstream from Noorinbee where the valley widens considerably. River bank erosion has exposed the contact between this alluvium and the granodiorite to the granodiorite to the north of the Noorinbee bridge.

Significance:

Local. Good example of a structurally controlled river valley.

Management:

Flooding of the river valley through the construction of major reservoirs would detract from the significance of the site.


Image:  East Gippsland Sites of Significance
Noorinbee. Contact (dotted) between alluvial sediments (A) overlying granite (B).
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