Home
Help
Print...
LocNo: 7708Trident Mb.,Three Forks Fm.
Country: USA
Province: Montana, Madison Co.
Locality: Three Forks,Milligan Canyon
Layer: Trident Mb.,Three Forks Fm.
Lower Boundary: UD3C--UD4A:(annulata Zone base) [14,90], 367.6 million years
Upper Boundary: UD4A--UD4B: dunkeri Zone base [15,55], 366.8 million years
Georeference: