Color:  Compton Chert is a bluish black chert.

Texture: 

Luster: Dull

Silica Fabrics / Fossils: Ranges from very abundant to almost absent brachiopods.

Patina:

Heat Treatment:  Heat treatment produces colors of pale pink, but no changes to luster or workability. 

Knapping: 

Note:  Sedalia Chert is difficult to distinguish from the overlying Compton Chert.  Compton Chert is a not an abundant chert while Sedalia Chert is extensive and very abundant.
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution Comments:

Compton Chert is associated with the Compton Formation of the Chouteau Group.  Named for the Compton Post Office, Webster County, Missouri.  Compton Chert is a rare chert primarily found in the upper creek beds in the area of Weaubleau Creek.  This chert is only found in the upper levels of the Compton Formation.