Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 15.00 ft
Unit: Peoria
System
Quaternary
Series
Pleistocene Series
Group
Wisconsinan Episode
Formation
Peoria
Member
Submember
Start Depth
0.00 ft
End Depth
15.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, Gap At Top
Primary Lithology
Loess
Percent
100
Secondary Lithology
Unknown
Percent
0
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 15.00 ft
End Depth: 35.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
15.00 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
90
Secondary Lithology
Till - Unoxidized And Unleached
Percent
10
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 35.00 ft
End Depth: 75.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
35.00 ft
End Depth
75.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till - Oxidized And Unleached
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 75.00 ft
End Depth: 100.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
75.00 ft
End Depth
100.00 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: 100.00 ft
End Depth: 120.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
100.00 ft
End Depth
120.00 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: 120.00 ft
End Depth: 140.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
120.00 ft
End Depth
140.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till - Oxidized And Unleached
Percent
85
Secondary Lithology
Till - Unoxidized And Unleached
Percent
15
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 140.00 ft
End Depth: 145.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
140.00 ft
End Depth
145.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till - Unoxidized And Unleached
Percent
95
Secondary Lithology
Till - Oxidized And Unleached
Percent
5
Tertiary Lithology
Percent
0
Comments
Start Depth: 145.00 ft
End Depth: 150.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
145.00 ft
End Depth
150.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till - Oxidized And Unleached
Percent
50
Secondary Lithology
Till - Unoxidized And Unleached
Percent
50
Tertiary Lithology
Percent
0
Comments
Start Depth: 150.00 ft
End Depth: 160.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
150.00 ft
End Depth
160.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till - Unoxidized And Unleached
Percent
95
Secondary Lithology
Till - Oxidized And Unleached
Percent
5
Tertiary Lithology
Percent
0
Comments
Start Depth: 160.00 ft
End Depth: 195.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
160.00 ft
End Depth
195.00 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: 195.00 ft
End Depth: 300.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
195.00 ft
End Depth
300.00 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: 300.00 ft
End Depth: 415.00 ft
Unit: Fort Benton ("Lower Colorado ")
System
Cretaceous
Series
Group
Fort Benton ("Lower Colorado ")
Formation
Member
Submember
Start Depth
300.00 ft
End Depth
415.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Bedrock Surface - Complete Penetration, Gap At Base
Primary Lithology
Shale
Percent
0
Secondary Lithology
Limestone
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 415.00 ft
End Depth: 465.00 ft
Unit: Woodbury
System
Cretaceous
Series
Group
Fort Benton ("Lower Colorado ")
Formation
Dakota
Member
Woodbury
Submember
Start Depth
415.00 ft
End Depth
465.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Partial Penetration (Base Not Met), Gap At Top
Primary Lithology
Shale
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments