Anyone one know the type of flint? Missouri creek found flake knife. Thanks for any input!

[eastjacj]

Anyone help with type of flint? Flake knife found in a creek, Jackson Co, Mo.

 

[CreekSide]

Not my area but it’s a nice flake knife

 

[Rockdog]

Looks like Excello chert. Pretty comomon material for that area. Nice knife.

 

[ToddsPoint]

Looks like Excello chert. Pretty comomon material for that area. Nice knife.

There was an outcrop of Excello just east of Ft Osage. I saw it while attending the knap in there. That outcrop was not near the quality of the OPs flake. Must be a good quality outcrop or creek around there somewhere.

 

[eastjacj]

Thank you all for the help!