Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 20.00 ft
Unit: Peoria
System
Quaternary
Series
Pleistocene Series
Group
Wisconsinan Episode
Formation
Peoria
Member
Submember
Start Depth
0.00 ft
End Depth
20.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, Gap At Top
Primary Lithology
Loess
Percent
100
Secondary Lithology
Unknown
Percent
0
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 20.00 ft
End Depth: 30.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
20.00 ft
End Depth
30.00 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: 30.00 ft
End Depth: 35.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
30.00 ft
End Depth
35.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Silt
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 35.00 ft
End Depth: 80.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
35.00 ft
End Depth
80.00 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: 80.00 ft
End Depth: 110.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
80.00 ft
End Depth
110.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till - Unoxidized And Unleached
Percent
70
Secondary Lithology
Till - Oxidized And Unleached
Percent
30
Tertiary Lithology
Percent
0
Comments
Start Depth: 110.00 ft
End Depth: 150.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
110.00 ft
End Depth
150.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Till - Unoxidized And Unleached
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 150.00 ft
End Depth: 165.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
150.00 ft
End Depth
165.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till - Oxidized And Leached
Percent
70
Secondary Lithology
Till - Unoxidized And Unleached
Percent
30
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 165.00 ft
End Depth: 180.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
165.00 ft
End Depth
180.00 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: 180.00 ft
End Depth: 190.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
180.00 ft
End Depth
190.00 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: 190.00 ft
End Depth: 215.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
190.00 ft
End Depth
215.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till - Unoxidized And Unleached
Percent
80
Secondary Lithology
Till - Oxidized And Unleached
Percent
20
Tertiary Lithology
Percent
0
Comments
Start Depth: 215.00 ft
End Depth: 300.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
215.00 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: 310.00 ft
Unit: Salt & Pepper Sands
System
Tertiary
Series
Group
Formation
Salt & Pepper Sands
Member
Submember
Start Depth
300.00 ft
End Depth
310.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Bedrock Surface - Complete Penetration, No Gaps
Primary Lithology
Sand
Percent
100
Secondary Lithology
Unknown
Percent
0
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 310.00 ft
End Depth: 325.00 ft
Unit: Carlile Shale
System
Cretaceous
Series
Group
Fort Benton ("Lower Colorado ")
Formation
Carlile Shale
Member
Submember
Start Depth
310.00 ft
End Depth
325.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 325.00 ft
End Depth: 350.00 ft
Unit: Greenhorn Limestone
System
Cretaceous
Series
Group
Fort Benton ("Lower Colorado ")
Formation
Greenhorn Limestone
Member
Submember
Start Depth
325.00 ft
End Depth
350.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
0
Secondary Lithology
Limestone
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 350.00 ft
End Depth: 390.00 ft
Unit: Graneros Shale
System
Cretaceous
Series
Group
Fort Benton ("Lower Colorado ")
Formation
Graneros Shale
Member
Submember
Start Depth
350.00 ft
End Depth
390.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
0
Secondary Lithology
Limestone
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 390.00 ft
End Depth: 490.00 ft
Unit: Woodbury
System
Cretaceous
Series
Group
Fort Benton ("Lower Colorado ")
Formation
Dakota
Member
Woodbury
Submember
Start Depth
390.00 ft
End Depth
490.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
0
Secondary Lithology
Sandstone
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 490.00 ft
End Depth: 518.00 ft
Unit: Sioux Quartzite
System
Proterozoic
Series
Group
Formation
Sioux Quartzite
Member
Submember
Start Depth
490.00 ft
End Depth
518.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Partial Penetration (Base Not Met), No Gap At Top
Primary Lithology
Quartzite
Percent
0
Secondary Lithology
Clay
Percent
0
Tertiary Lithology
Percent
0
Comments