Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 48.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
0.00 ft
End Depth
48.00 ft
Contact Accuracy
Contacts Poorly Defined Or Complete Gap
Penetration
Complete Penetration, Gap At Top
Primary Lithology
Till - Oxidized And Unleached
Percent
100
Secondary Lithology
Unknown
Percent
0
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 48.00 ft
End Depth: 127.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
48.00 ft
End Depth
127.00 ft
Contact Accuracy
Contacts Poorly Defined Or Complete Gap
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Till - Unoxidized And Unleached
Percent
100
Secondary Lithology
Unknown
Percent
0
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 127.00 ft
End Depth: 130.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
127.00 ft
End Depth
130.00 ft
Contact Accuracy
Contacts Poorly Defined Or Complete Gap
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till - Oxidized And Unleached
Percent
100
Secondary Lithology
Unknown
Percent
0
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 130.00 ft
End Depth: 208.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
130.00 ft
End Depth
208.00 ft
Contact Accuracy
Contacts Poorly Defined Or Complete Gap
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Till - Unoxidized And Unleached
Percent
100
Secondary Lithology
Unknown
Percent
0
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 208.00 ft
End Depth: 267.00 ft
Unit: Fort Benton ("Lower Colorado ")
System
Cretaceous
Series
Group
Fort Benton ("Lower Colorado ")
Formation
Member
Submember
Start Depth
208.00 ft
End Depth
267.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Bedrock Surface - Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 267.00 ft
End Depth: 380.00 ft
Unit: Woodbury
System
Cretaceous
Series
Group
Fort Benton ("Lower Colorado ")
Formation
Dakota
Member
Woodbury
Submember
Start Depth
267.00 ft
End Depth
380.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Penetration, Gap At Base
Primary Lithology
Shale
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 380.00 ft
End Depth: 430.00 ft
Unit: Nishnabotna
System
Cretaceous
Series
Group
Fort Benton ("Lower Colorado ")
Formation
Dakota
Member
Nishnabotna
Submember
Start Depth
380.00 ft
End Depth
430.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Partial Penetration (Base Not Met), Gap At Top
Primary Lithology
Sandstone
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments