Lithology_code Lithology_Name DESCRIPTION SYN Mt Goyder Syenite "Pinkish brown, holocrystalline, medium-coarse grained, phaneritic, magnetic, perthitic-nonperthitic K-feldspar, biotite, pyroxene, hornblende, quartz, zircon, syenite." MZG Mt Bundey Monzogranite "White, holocrystalline, coarse-grained, weakly magnetic, white-very pale pink perthitic K feldspar, quartz, biotite, pyroxene monzogranite" QMZ Quartz Monzonite "Pinkish grey, holocrystalline, medium-grained, phaneritic, weakly magnetic, perthitic K-feldpsar, quartz, biotite, pyroxene, hornblende, quartz monzonite" LMP Lamprophyre Dike "Dark grey, highly magnetic, fine to very fine-grained K-feldspar, quartz, pyroxene sparsely porpyyritic lamprophyre with aphanitic plagioclase, pyroxene groundmass." TRA Trachyte Dike "Brown to dark pinkish grey, weakly to non-magnetic, very-fine grained to hyaline, sparsely porphyritic trachyte with quartz, K-feldspar, plagioclase, pyroxene, hornblende microphenocrysts in a glassy to aphanitic groundmass of pink K feldspar, quartz. Variable spherulitic K-feldspar recrystallisation of groundmass" APL Aplite "Pinkish-white, holocrystalline, fine-grained, non-magnetic, phaneritic, quartz K feldspar aplite" PEG Pegmatite "Pink-black, coarse-grained, highly magnetic, perthitic K-feldspar, biotite, pyroxene (actinolite), zircon, pegmatite" QVN Quartz vein Quartz with accessory rock-forming minerals and/or sulphides