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Clastics in Axial Graben

Red ball iconTHE MIDCONTINENT RIFT SYSTEM IN IOWA

 

 

 

Depositional Model for Basal Clastics in Axial Graben


by R.R. Anderson

Rivers flowing into the central graben of the MRS eroded volcanic rocks from the hanging wall and redeposited them as coarse conglomerates in fans that spread into the graben.

     
  return to Stratigraphy of Unit B.