GTM version 0.91 features a redesigned Intrusion process. Using a dike as an example for intrusion turned out to be insufficient for some cases to be resolved. We now use a chain of volcanoes that erupt over a dike instead of just a dike and call it Volcano (V)"
 
 
 

This new volcano has the following rules:
 
The dike part always cuts across an earlier fault:
 
 
 
 
 
Volcanoes can extrude through
sediments that were eroded
earlier:
 
 

 
Volcanoes can extrude through sediments:
 
 
 
 
 
 
 
When these extruded volcanoes are eroded, they are
completely removed and only a eroded dike is left:
 



 
 
 Volcanoes can be buried by  sediments:







Eroding this sediment will not erode
theses buried volcanoes:

 
 
 
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