Aquifer

(by increasing depth)

Average aquifer thickness (m)

Representative HGUs in each Basin (where present)

Quaternary Aquifer (QA)

11

Various aeolian deposits, fluvial, lacustrine, alluvial and colluvial sediments (All Basins).

Upper Tertiary/Quaternary Basalts (UTQB)

34

Newer Volcanics (Otway, Central and NE Murray Basins)

Upper Tertiary/Quaternary Aquifer (UTQA)

35

Haunted Hill Formation (Gippsland)
Shepparton Formation (Murray)

Upper Tertiary Aquifer – Marine (UTAM)

46

Hanson Plain Sand (Otway)
Moorabool Formation (Central)
Loxton-Parilla Sands (Murray)

Upper Tertiary Aquifer – Fluvial (UTAF)

22

Unnamed fluvial deposits (Otway)
Brighton Group (Central)
Boisdale Formation (Gippsland)
Calivil Formation (Murray)

Upper Mid-tertiary Aquifer (UMTA)

98

Port Campbell Limestone (Otway)
Batesford Limestone (Central)
Latrobe Valley Group (Gippsland)
Murray Group Limestone (Murray)

Lower Mid-tertiary Aquifer (LMTA)

44

Clifton Formation (Otway)
Maude Formation (Central)
Latrobe Valley Group (Gippsland)

Lower Mid-tertiary Basalts (LTB)

LTBA – 35

LTBB - 78

Phase 2 Basalts (Otway)
Mornington Volcanics (Central)
Thorpdale Volcanics (Gippsland)
Phase 1 Volcanics (Murray)

Lower Tertiary Aquifer (LTA)

136

Dilwyn Formation (Otway)
Werribee Formation (Central)
Childers Formation (Gippsland)
Renmark Group (Murray)

Basement (Cretaceous/Permian Sediments and Paleozoic Bedrock)

CPS – 298

BSE – UNK (lower limit unknown)

Paaratte Formation & Eumeralla Formation (Otway)
Permian Glacial Sediments (Central)
Strezlecki Group (Gippsland & Murray)
Palezoic Basement (Murray)

Page last updated: 11/07/18