Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 10.00 ft
Unit: Peoria
System
Quaternary
Series
Pleistocene Series
Group
Wisconsinan Episode
Formation
Peoria
Member
Submember
Start Depth
0.00 ft
End Depth
10.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Loess
Percent
100
Secondary Lithology
Unknown
Percent
0
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 10.00 ft
End Depth: 35.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
10.00 ft
End Depth
35.00 ft
Contact Accuracy
Top & Base Accurate For Sample
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: 35.00 ft
End Depth: 55.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
35.00 ft
End Depth
55.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till - Unoxidized And Unleached
Percent
75
Secondary Lithology
Till - Oxidized And Unleached
Percent
25
Tertiary Lithology
Percent
0
Comments
Start Depth: 55.00 ft
End Depth: 70.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
55.00 ft
End Depth
70.00 ft
Contact Accuracy
Top & Base Accurate For Sample
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: 70.00 ft
End Depth: 90.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
70.00 ft
End Depth
90.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, Gap At Base
Primary Lithology
Till - Oxidized And Unleached
Percent
55
Secondary Lithology
Till - Unoxidized And Unleached
Percent
45
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 90.00 ft
End Depth: 125.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
90.00 ft
End Depth
125.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Complete Penetration, Gap At Top
Primary Lithology
Till
Percent
100
Secondary Lithology
Unknown
Percent
0
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 125.00 ft
End Depth: 130.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
125.00 ft
End Depth
130.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Sand And Gravel
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 130.00 ft
End Depth: 150.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
130.00 ft
End Depth
150.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till - Unoxidized And Unleached
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 150.00 ft
End Depth: 230.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
150.00 ft
End Depth
230.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till - Unoxidized And Unleached
Percent
90
Secondary Lithology
Till - Oxidized And Unleached
Percent
10
Tertiary Lithology
Percent
0
Comments
Start Depth: 230.00 ft
End Depth: 315.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
230.00 ft
End Depth
315.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, Gap At Base
Primary Lithology
Till - Unoxidized And Unleached
Percent
100
Secondary Lithology
Unknown
Percent
0
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 315.00 ft
End Depth: 520.00 ft
Unit: Woodbury
System
Cretaceous
Series
Group
Fort Benton ("Lower Colorado ")
Formation
Dakota
Member
Woodbury
Submember
Start Depth
315.00 ft
End Depth
520.00 ft
Contact Accuracy
Base Accurate, Top 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: 520.00 ft
End Depth: 643.00 ft
Unit: Nishnabotna
System
Cretaceous
Series
Group
Fort Benton ("Lower Colorado ")
Formation
Dakota
Member
Nishnabotna
Submember
Start Depth
520.00 ft
End Depth
643.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Partial Penetration (Base Not Met), No Gap At Top
Primary Lithology
Sandstone
Percent
0
Secondary Lithology
Shale
Percent
0
Tertiary Lithology
Percent
0
Comments