Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 10.00 ft
Unit: Graneros Shale
System
Cretaceous
Series
Group
Fort Benton ("Lower Colorado ")
Formation
Graneros Shale
Member
Submember
Start Depth
0.00 ft
End Depth
10.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Bedrock Surface - Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 10.00 ft
End Depth: 245.00 ft
Unit: Woodbury
System
Cretaceous
Series
Group
Fort Benton ("Lower Colorado ")
Formation
Dakota
Member
Woodbury
Submember
Start Depth
10.00 ft
End Depth
245.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Partial Penetration (Base Not Met), No Gap At Top
Primary Lithology
Shale
Percent
0
Secondary Lithology
Sandstone
Percent
0
Tertiary Lithology
Siltstone
Percent
0
Comments