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Home New Mexico Rio Arriba County Brazos Cliffs
     

Brazos Cliffs

NM, USA
  New Mexico NM State Historical Marker
New Mexico State
Historical Marker


 
   
These precipitous cliffs form the western edge of the Tusas Mountains, a Rocky Mountain highland that enters New Mexico from Colorado. They are composed of some of the oldest rock known in New Mexico, the Precambrian quartzite about 1.7 billion years old.



Last updated: 10/12/2009 15:10:00