Montana- Radial Dikes                 
Cochise College                                                                                        
Geology Home Page 
Geology Exploration Using Google Earth
Volcanoes and Igneous Rocks 
Roger Weller, geology instructor 
last edited:  4/3/18      9  views  

     There are two areas in Montana that contain structures with radial
dikes.  Location A has two igneous structures: Black Mountain and
Sawmill Peak.  Location B has on structure with radial dikes:  Windy

Location A- Black Mountain and Sawmill Peak


location A- radial dikes associated with Black Mountain and Sawmill Peak

Location A- Closer views of Black Mountain and Sawmill Peak


                    Black Mountain
                    Sawmill Peak

Location B- Windy Mountain views

                    Windy Mountain


Just credit photos to Google Earth/R.Weller/Cochise College.