title: Joana Limestone
text: # Joana Limestone
  
  The Joana Limestone is a limestone geologic formation in White Pine County and Nye County Nevada.
  
  ## Description
  
  The Joana Limestone was named for exposures at the Joana Mine on the south side of Robinson Canyon, 2 miles north of Ely, Nevada.
  
  It was formed during the Early Mississippian series of the Carboniferous Period
  
  ### Fossils
  
  It preserves fossils dating back to the Carboniferous period.
  
  