Strat Unit Name
                                    
                                    
                                        Quaternary rocks
                                    
                                    
                                    
                                    
                                        Strat Unit Description
                                    
                                    
                                        Undifferentiated Quaternary rocks.
                                    
                                    
                                    
                                    
                                        GIS Code
                                    
                                    
                                        IH
                                    
                                    
                                    
                                 
                            
                                
                                    
                                        
                                            1
                                        
                                        
                                            26.5
                                        
                                        
                                             Mta7
                                        
                                        
                                             DOLERITE
                                        
                                        
                                             
                                        
                                        
                                            Mg dolerite, sheared at lower boundary
                                        
                                     
                                    
                                    
                                    
                                        Strat Unit Name
                                    
                                    
                                        Gawler Range Volcanics unit 7
                                    
                                    
                                    
                                    
                                        Strat Unit Description
                                    
                                    
                                        Dolerite dykes within Glenloth Granite. Based on unit as on GAIRDNER. Age uncertain; map unit at present may include older dykes.
                                    
                                    
                                    
                                    
                                        GIS Code
                                    
                                    
                                        M-ta----07
                                    
                                    
                                    
                                 
                            
                                
                                    
                                        
                                            26.5
                                        
                                        
                                            54.3
                                        
                                        
                                             AYm-g
                                        
                                        
                                             GNEISS
                                        
                                        
                                             
                                        
                                        
                                            Qtz-fsp gneiss, some chl; sheared upper & lower boundaries
                                        
                                     
                                    
                                    
                                    
                                        Strat Unit Name
                                    
                                    
                                        Glenloth Granite
                                    
                                    
                                    
                                    
                                        Strat Unit Description
                                    
                                    
                                        Granite, granodiorite, pink-brown to grey, quartz, microcline and plagioclase. With remnants of gneiss and biotite and hornblende schlieren. ~2509-2436 Ma.
                                    
                                    
                                    
                                    
                                        GIS Code
                                    
                                    
                                        AYm--g
                                    
                                    
                                    
                                 
                            
                                
                                    
                                        
                                            54.3
                                        
                                        
                                            81.5
                                        
                                        
                                            ? Mth
                                        
                                        
                                             GRANITE
                                        
                                        
                                             
                                        
                                        
                                            Granite: fsp, qtz, minor chl, mt
                                        
                                     
                                    
                                    
                                    
                                        Strat Unit Name
                                    
                                    
                                        Hiltaba Suite
                                    
                                    
                                    
                                    
                                        Strat Unit Description
                                    
                                    
                                        Granite, syenite, quartz monzonite, granodiorite, monzodiorite:  coarse, megacrystic to equigranular, to fine-grained, granophyric, equigranular or porphyritic.  Undeformed to locally strongly deformed.  Minor mafic to ultramafic intrusive rocks.  I to A-type, ~1600-1575 Ma.
                                    
                                    
                                    
                                    
                                        GIS Code
                                    
                                    
                                        M-th
                                    
                                    
                                    
                                 
                            
                                
                                    
                                        
                                            81.5
                                        
                                        
                                            101.4
                                        
                                        
                                             AYm-g
                                        
                                        
                                             GNEISS
                                        
                                        
                                             
                                        
                                        
                                            Granite gneiss; shear 95.6-99.6 with minor epid, ap, py
                                        
                                     
                                    
                                    
                                    
                                        Strat Unit Name
                                    
                                    
                                        Glenloth Granite
                                    
                                    
                                    
                                    
                                        Strat Unit Description
                                    
                                    
                                        Granite, granodiorite, pink-brown to grey, quartz, microcline and plagioclase. With remnants of gneiss and biotite and hornblende schlieren. ~2509-2436 Ma.
                                    
                                    
                                    
                                    
                                        GIS Code
                                    
                                    
                                        AYm--g