Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 138.00 ft
Unit: Pleistocene Series
System
Quaternary
Series
Pleistocene Series
Group
Formation
Member
Submember
Start Depth
0.00 ft
End Depth
138.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Complete Penetration, Gap At Top
Primary Lithology
Sand And Gravel
Percent
77
Secondary Lithology
Till - Unoxidized And Unleached
Percent
20
Tertiary Lithology
Till - Oxidized And Unleached
Percent
3
Comments
Start Depth: 138.00 ft
End Depth: 290.00 ft
Unit: Pennsylvanian (Subsystem Of Carboniferous System)
System
Pennsylvanian (Subsystem Of Carboniferous System)
Series
Group
Formation
Member
Submember
Start Depth
138.00 ft
End Depth
290.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Penetration, Gap At Top
Primary Lithology
Shale
Percent
85
Secondary Lithology
Siltstone
Percent
8
Tertiary Lithology
Coal
Percent
7
Comments
Start Depth: 290.00 ft
End Depth: 325.00 ft
Unit: St. Louis
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Formation
St. Louis
Member
Submember
Start Depth
290.00 ft
End Depth
325.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
80
Secondary Lithology
Siltstone
Percent
15
Tertiary Lithology
Shale
Percent
5
Comments
Start Depth: 325.00 ft
End Depth: 385.00 ft
Unit: Keokuk
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Augusta
Formation
Keokuk
Member
Submember
Start Depth
325.00 ft
End Depth
385.00 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
50
Secondary Lithology
Chert/Chalcedony
Percent
25
Tertiary Lithology
Limestone
Percent
25
Comments