| Qa - Quaternary alluvial deposits |
| Qd - Quarternary coastal dune deposits |
| Qdw - Quaternary Woorinen Formation - poorly consolidated red-brown sand dunes |
| Ql - Quaternary lacustrine deposits |
| Qe - Quaternary estuarine and delta deposits |
| Water |
| Qdl -Quarternary Lowan Sand - unconsolidated red-brown sand dunes; locally mobile |
| Qc - Quaternary colluvial deposits |
| Czl - Quaternary lacustrine deposits |
| Czd - Cenozoic sand dunes |
| Czvm - Cenozoic mafic volcanic rocks |
| Czs - Cainozoic undifferentiated sediments/sedimentary rocks |
| Czss - Cenozoic Shepparton Formation - poorly consolidated clay, silt, sand and gravel |
| Czi - Cenozoic silcrete and silicified, poorly consolidated sediments/sedimentary rocks |
| Czvu - Cenozoic silicic to intermediate volcanics - undifferentiated |
| Czgu - Cenozoic silicic to intermediate intrusives - undifferentiated |
| Ks - Cretaceous sedimentary rocks |
| Kgu - Cretaceous silicic to intermediate intrusives - undifferentiated |
| Js - Jurassic sedimentary rocks |
| Jvm - Jurassic mafic volcanic rocks |
| RJs - Triassic-Jurassic sedimentary rocks |
| RJvm - Triassic-Jurassic mafic volcanic rocks |
| Jgu - Jurassic silicic to intermediate intrusives - undifferentiated |
| Mzvu - Mesozoic silicic to intermediate volcanics - undifferentiated |
| Rs & Rv - Triassic sedimentary and volcanic rocks |
| Rgi - Triassic granites to intermediate intrusives |
| Ps & Pvm - Permian sedimentary and mafic volcanic rocks |
| Pvu, Pvi, Psv - Permian silic to intermediate volcanic and volcaniclastic rocks |
| Pgu, Pgi, Pgs - Permian granites |
| CPs - Carboniferous-Permian sedimentary rocks |
| Cs - Carboniferous sedimentary rocks |
| Ct - Carboniferous metamorphic rocks |
| Csv, Cvu - Carboniferous sedimentary and volcanic rocks |
| Cgi, Cgu, Cgs - Carboniferous granites |
| DCs - Devonian-Carboniferous sedimentary rocks |
| Ds, Dsv, Dvi, Dvu, Dva, Dvs - Devonian sedimentary and volcanic rocks |
| Dvm - Devonian mafic volcanic rocks |
| DUs - Late Devonian sedimentary rocks |
| SDs - Silurian-Devonian sedimentary rocks |
| Dgi, Dga, Dgu, Dgs - Devonian granites |
| Svm - Silurian mafic volcanic rocks |
| Ss, Ssv, Svu, Svi, Svs - Silurian sedimentary and volcanic rocks |
| Sgu, Sgi, Sgs - Silurian granites |
| Os, Ot - Ordovician sedimentary & metamorphic rocks |
| Osv - Ordovician sedimentary and mafic volcanic and volcaniclastic rocks |
| Ogu - Ordovician silicic to intermediate intrusives - undifferentiated |
| EOs - Cambrian-Ordovician sedimentary rocks |
| Es, Esv, Et - Cambrian sedimentary, volcanic and metamorphic rocks |
| Evm - Cambrian mafic volcanic rocks |
| Paleozoic mafic intrusive rocks |
| Pzx - Palaeozoic complex, melange or undivided rocks |
| U - Palaeozoic ultramafic rocks and serpentinized ultramafic rocks |
| Ns - Neoproterozoic sedimentary rocks |
| Lt - Palaeoproterozoic metamorphic rocks |