|
Locality |
Layer |
|
USA, Arkansas, Boone Co., Harrison, Pilot Mountain |
Fayetteville Fm., lower shale |
|
USA, Arkansas, Independence Co., Almond, Round Mountain N slope |
Fayetteville Fm., basal part |
|
USA, Arkansas, Newton Co., Mount Judea quad., 1.5 mls from Jasper |
Fayetteville Fm., lower shale |