INDEX MAP SHOWING LINE OF SECTION 



30 M.les 



Horizontal scale 

 SEA LEVEL DATUM 



GROUPS AND FORMATIONS 



Nippewalla group 



Sumner, Chase, and 

 Council Grove groups 



Admire shale 



Wabaunsee group 



Shawnee, Douglas and 

 Pedee groups 



Lansing, Kansas City, 

 and Bronson groups 



Marmaton group and 

 Cherokee shale 



Ste. Genevieve Is. 



Louis Is. 



Sperge n ond Worsow Iss 



Keokuk and Burlington ls». 



Gilmore City Is. 



Misener sd." 



Simpson (T) oroup 



Arbuckle Is. 



GUADALUPIAN 



LEONARDIAN 



and 

 WOLFCAMPIAN 



DESMOINESIAN 



MERAMECIAN 



KINDERHOOKIAN 



BEDS OF TRENTON AGE 



BEDS OF BLACK RIVER 

 AND CHAZYAN AGE 



BEDS OF BEEKMANTOWN- 

 IAN AND ST. CROIXIAN 

 AGE 



as 

 a:< 



oo 



Fig. 15.5. Correlation of Paleozoic rocks across the Las Animas arch in Baca, Las Animas, and Otero 

 Counties, Colorado. Stratigraphic classification on right is mainly after State Geological Survey of Kansas; 

 that on left follows common usage in Colorado. From Maher, 1946. 



