L5

Location   
36.450172, -94.240090 (Google Map)

Site name       
None
Type
Natural outcrop

Age/Formation/Unit  (in stratigraphic order)

Devonian / Chattanooga Shale

Mississippian / St. Joe
Mississippian/Boone

Features of interest

Vertical section of 80+ ft and two cut back terrace.  Devonian/Mississippian contact. Fractures in Chattanooga Shale. Tripolite appearance near top. Fresh and rust weathered pyrite in St. Joe section. Good geophysical access to contact. 
Lithology present

Shale, limestone, white chert, tripolitic chert, pyrite
State/County    

AR / Benton County

Access         

East side of US71

Support material available

Photos (13 iPhone)

Site visit history

C. Liner 11/14/2012, 4/28/2013 w Mac McGilvery

Wide view with formation names and contacts. View is not on level so some rock section present is not shown in the photo. Light tan probable tripolite is seen at the top of the exposure.

Fracture planes in Chattanooga Shale section.