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3D Architecture model of the western Gawler Craton
Created: 13 May 2025 Revised: 13 May 2025
Author: Gouthas, G.

The acquisition and interpretation of the deep crustal seismic line 13GA-EG1 has allowed a new 3D model to be constructed for the western Gawler Craton. The new 3D model expands on the Eastern Gawler IOGC / Woomera Prohibited Area model, which...

The acquisition and interpretation of the deep crustal seismic line 13GA-EG1 has allowed a new 3D model to be constructed for the western Gawler Craton. The new 3D model expands on the Eastern Gawler IOGC / Woomera Prohibited Area model, which sits to the north and east of this seismic line.

Interpretations used to construct this model were derived from a cross-border collaborative work program between the Geological Survey of South Australia, the Geological Survey of Western Australia and Geoscience Australia, initiated by the collection of seismic line 13GA-EG1.

This is the first of three models which will cover the length of the seismic line 13GA-EG1; the others being the Albany-Fraser Orogen model in Western Australia and the Coompana model which straddles the WA/SA border. These are being worked on and will be published in the coming years to produce a continuous crustal architecture and density model between the Gawler and Yilgarn Cratons.

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About this record

Record No mesac107
Topic Geoscientific Information
Type of Resource Model
Category Type
Document Type
Contributor Geological Survey of South Australia
Sponsor
Geological Province
    Mine Name
    Stratigraphy
    Commodity
      Notes 
      
                    
                    
      
                    
                        		
                
      
              

                
      
                  
                    Language
                  
                  English
                    
                
      
              

                
      
                  
                    Metadata Standard
                  
                  ISO 19115-3
                    
                
      
              
            
    
      
  
      
            
      
            
      
              
      
  

    
      Citations
      
      
    
      
    
      
      
          Use constraints        
      
      
        License
      
    
      
    
      
      
          License        
      
      
        


  
    
  
    Creative Commons Attribution 4.0
  

  

      
    
      
    
      
      
          Persistent identifier        
      
      
        https://pid.sarig.sa.gov.au/model/mesac107
         
          
      
    
      
    
      
      
          Citation        
      
      
        
          Gouthas, G. 3D Architecture model of the western Gawler Craton
          
      
          https://pid.sarig.sa.gov.au/model/mesac107
              
         
        
            		
    
      
  
        
  
      
  
      
            
      
            
      
              
      
  
      Technical information
      
    
  
    
                
      
                  
                    Status
                  
                  Completed
                
      
              
                
      
                  
                    Maintenance and Update Frequency
                  
                  
                
      
              
                
      
                  
                    Geographic Reference
                  
                  GDA2020 (EPSG:7844)
                
      
              
      
                
                  Geo bounding box        
                
                
                  {"type":"Polygon","coordinates":[[[131.25915527,-31.71885399],[134.59899902,-31.71885399],[134.59899902,-29.43369774],[131.25915527,-29.43369774],[131.25915527,-31.71885399]]]}
                
              
      
                
                
      
                  
                    Purpose
                  
                  
                    
      To aid in geological exploration.
      
                    
                    
      To aid in geological exploration.
      
                    
                        		
                
      
              
                
                
      
                  
                    Lineage
                  
                  
                    
      This model is presented as a preliminary example of work in progress, and its accuracy (spatial or otherwise) should not be relied upon for guiding exploration or other decision-making processes. It is influenced by the following necessary...
      
                    
                    
      This model is presented as a preliminary example of work in progress, and its accuracy (spatial or otherwise) should not be relied upon for guiding exploration or other decision-making processes. It is influenced by the following necessary constraints: 
- Positional accuracy - horizontal accuracy of formation boundaries is variable (interpreted); vertical accuracy of the interpolated formation surfaces, topographic and basement surfaces are variable due to resampling (topographic surface), interpretation (formation boundaries) and interpolation; 
- Attribute accuracy - geological attributes are based on interpretation of features in the subsurface which are not directly observable; thus they are subject to alternative interpretations.
      
                    
                      
      
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