San Rafael Group - Subunits

Subunits

Subunits (alphabetical):

• Bell Ranch Formation (NM),
• Bluff Sandstone (AZ,NM),
• Carmel Formation (AZ*,CO*,NM*,UT*,WY*),
• Cow Springs Sandstone (AZ),
• Curtis Formation (CO*,UT*),
• Entrada Sandstone (AZ*,CO*,NM*,UT*),
• Henrieville Sandstone (UT),
• Page Sandstone (AZ*,UT*,WY*),
• Romana Sandstone (AZ*,UT*),
• Summerville Formation (AZ,CO,NM,UT),
• Temple Cap Sandstone (UT*) or Temple Cap Formation (UT),
• Thoreau Formation (NM),
• Todilto Limestone (AZ,CO*,UT*) or Todilto Formation (AZ,CO,NM,UT),
• Wanakah Formation (AZ*,CO*,NM*,UT*).