Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 85.00 ft
Unit: Quaternary
System
Quaternary
Series
Group
Formation
Member
Submember
Start Depth
0.00 ft
End Depth
85.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till
Percent
90
Secondary Lithology
Soil Or Fill
Percent
10
Tertiary Lithology
Percent
0
Comments
Start Depth: 85.00 ft
End Depth: 175.00 ft
Unit: Graneros Shale
System
Cretaceous
Series
Group
Fort Benton ("Lower Colorado ")
Formation
Graneros Shale
Member
Submember
Start Depth
85.00 ft
End Depth
175.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Bedrock Surface - Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 175.00 ft
End Depth: 320.00 ft
Unit: Woodbury
System
Cretaceous
Series
Group
Fort Benton ("Lower Colorado ")
Formation
Dakota
Member
Woodbury
Submember
Start Depth
175.00 ft
End Depth
320.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 320.00 ft
End Depth: 405.00 ft
Unit: Nishnabotna
System
Cretaceous
Series
Group
Fort Benton ("Lower Colorado ")
Formation
Dakota
Member
Nishnabotna
Submember
Start Depth
320.00 ft
End Depth
405.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Partial Penetration (Base Not Met), No Gap At Top
Primary Lithology
Sandstone
Percent
90
Secondary Lithology
Shale
Percent
10
Tertiary Lithology
Percent
0
Comments