Difference between revisions of "Template:Chronostratigraphy of Wisconsin"

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imported>Abyssal
imported>J. Spencer
(revision of the Ordovician has put many "Middle" Ordovician units into the Late Ordovician, the base of which is now dated to 458.4 Ma (the basal Decorah is almost pegged to the Deicke K-Bentonite of about 454.6 Ma))
Line 273: Line 273:
 
| Late Ordovician =  
 
| Late Ordovician =  
  
 +
* [[Decorah Shale|Decorah Formation]]
 +
* [[Galena Group|Galena Formation]]
 +
* [[Glenwood Formation]]
 
* [[Maquoketa Formation]]
 
* [[Maquoketa Formation]]
 +
 
* [[Neda Formation]]
 
* [[Neda Formation]]
 +
* [[Platteville Formation]]
  
 +
* [[St. Peter Sandstone|St. Peter Formation]] (in part)
  
 
| Darriwilian =  
 
| Darriwilian =  
Line 281: Line 287:
 
| Dapingian =  
 
| Dapingian =  
  
| Middle Ordovician =  
+
| Middle Ordovician =
 
 
* [[Decorah Formation]]
 
* [[Galena Formation]]
 
* [[Glenwood Formation]]
 
* [[Platteville Formation]]
 
* [[St. Peter Formation]]
 
  
 +
* [[St. Peter Sandstone|St. Peter Formation]] (in part)
  
 
| Floian =  
 
| Floian =  

Revision as of 20:17, 7 July 2018