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Geomorphological Units of the Wimmera Area

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Map:  Wimmera Geomorphology

Geomorphological Units of the Wimmera Area
Western Uplands (WU)
2.1.1 Ridges, escarpments, mountains on non-granitic Palaeozoic rocks2.1.2 Hills, valley lopes and plains on non-granitic Palaeozoic rocks
2.1.3 Ridges, escarpments mountains on granitic Palaeozoic rocks2.1.4 Hills, valley slopes and plains on granitic Palaeozoic rocks
2.1.5 Plateaux and rises of residual Cainozoic landscapes2.1.7 Dissected uplands: Terraces and floodplains
2.2.2 Grampians complex: Sandstone hills2.2.3 Grampians complex: Valleys, alluvial terrace and floodplains
2.3.1 Tablelands: Low relief, low drainage density2.3.2 Tablelands: High relief, low drainage density
Northern Riverine Plains (RP)
4.1.1 Meander belt below plain level, sometimes source-bordering dunes4.1.2 Areas of inundation away from modern channels
4.2.1 Plains with leveed channels, sometimes source-bordering dunes4.2.2 Plains without leveed channels
4.2.3 Plains with lakes and depression with lunettes4.3 Alluvial fans and aprons
North Western Dunefields and Plains (DP)
5.1.3 Linear calcareous dunes sub-dominant5.1.4 Hummocky calcareous dunes dominant
5.1.5 Hummocky calcareous dunes sub-dominant5.2.1 Parabolic siliceous dunes
5.2.2 Linear siliceous dunes5.3.3 Linear depression
5.4 Clay plain with subdued ridges5.5.1 Prominent ridge tops with remnant aeolian sands and oriented swales with lakes and lunettes
5.5.2 Low ridge tops with remnant aeolian sands and oriented swales with lakes and lunettes5.5.3 Prominent ridges with eroded ferruginised northern spurs
5.6 Hills and low hills
Western Plains (WP)
6.2.1 Sedimentary derived plains with ridges
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