Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 150.00 ft
Unit: Pleistocene Series
System
Quaternary
Series
Pleistocene Series
Group
Formation
Member
Submember
Start Depth
0.00 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
50
Secondary Lithology
Till - Oxidized And Unleached
Percent
45
Tertiary Lithology
Soil Or Fill
Percent
5
Comments
Start Depth: 150.00 ft
End Depth: 275.00 ft
Unit: Dakota
System
Cretaceous
Series
Group
Fort Benton ("Lower Colorado ")
Formation
Dakota
Member
Submember
Start Depth
150.00 ft
End Depth
275.00 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
Sand And Gravel
Percent
90
Secondary Lithology
Clay
Percent
7
Tertiary Lithology
Chert/Chalcedony
Percent
3
Comments