Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 30.00 ft
Unit: Sheldon Creek
System
Quaternary
Series
Pleistocene Series
Group
Wisconsinan Episode
Formation
Sheldon Creek
Member
Submember
Start Depth
0.00 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
90
Secondary Lithology
Soil Or Fill
Percent
10
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 30.00 ft
End Depth: 40.00 ft
Unit: Sheldon Creek
System
Quaternary
Series
Pleistocene Series
Group
Wisconsinan Episode
Formation
Sheldon Creek
Member
Submember
Start Depth
30.00 ft
End Depth
40.00 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: 40.00 ft
End Depth: 205.00 ft
Unit: Sheldon Creek
System
Quaternary
Series
Pleistocene Series
Group
Wisconsinan Episode
Formation
Sheldon Creek
Member
Submember
Start Depth
40.00 ft
End Depth
205.00 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: 205.00 ft
End Depth: 225.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
205.00 ft
End Depth
225.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Clay
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 225.00 ft
End Depth: 255.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
225.00 ft
End Depth
255.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till - Oxidized And Unleached
Percent
60
Secondary Lithology
Till - Unoxidized And Unleached
Percent
40
Tertiary Lithology
Percent
0
Comments
Start Depth: 255.00 ft
End Depth: 260.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
255.00 ft
End Depth
260.00 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: 260.00 ft
End Depth: 500.00 ft
Unit: Woodbury
System
Cretaceous
Series
Group
Fort Benton ("Lower Colorado ")
Formation
Dakota
Member
Woodbury
Submember
Start Depth
260.00 ft
End Depth
500.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Clay
Percent
95
Secondary Lithology
Silt
Percent
5
Tertiary Lithology
Percent
0
Comments
Start Depth: 500.00 ft
End Depth: 517.00 ft
Unit: Devonian
System
Devonian
Series
Group
Formation
Member
Submember
Start Depth
500.00 ft
End Depth
517.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Partial Penetration (Base Not Met), No Gap At Top
Primary Lithology
Dolomite
Percent
80
Secondary Lithology
Shale
Percent
20
Tertiary Lithology
Percent
0
Comments