Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 155.00 ft
Unit: Quaternary
System
Quaternary
Series
Group
Formation
Member
Submember
Start Depth
0.00 ft
End Depth
155.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till - Oxidized And Unleached
Percent
52
Secondary Lithology
Till - Unoxidized And Unleached
Percent
45
Tertiary Lithology
Loess
Percent
3
Comments
Till = Pre-Illinoian Fm
Start Depth: 155.00 ft
End Depth: 195.00 ft
Unit: Dakota
System
Cretaceous
Series
Group
Fort Benton ("Lower Colorado ")
Formation
Dakota
Member
Submember
Start Depth
155.00 ft
End Depth
195.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Bedrock Surface - Partial Penetration (Base Not Met), No Gap At Top
Primary Lithology
Sandstone
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments