Stratigraphy

Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 30.00 ft
Unit: Pleistocene Series 
System
Quaternary 
Series
Pleistocene Series 
Group
 
Formation
 
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 
Percent
100 
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 30.00 ft
End Depth: 75.00 ft
Unit: Keokuk 
System
Mississippian (Subsystem Of Carboniferous System) 
Series
 
Group
Augusta 
Formation
Keokuk 
Member
 
Submember
 
Start Depth
30.00 ft
End Depth
75.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Ls/Dol Mixed 
Percent
50 
Secondary Lithology
Shale 
Percent
30 
Tertiary Lithology
Chert/Chalcedony 
Percent
20 
Comments
Start Depth: 75.00 ft
End Depth: 195.00 ft
Unit: Burlington 
System
Mississippian (Subsystem Of Carboniferous System) 
Series
 
Group
Augusta 
Formation
Burlington 
Member
 
Submember
 
Start Depth
75.00 ft
End Depth
195.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, Gaps, Top & Base Defined 
Primary Lithology
Limestone 
Percent
50 
Secondary Lithology
Chert/Chalcedony 
Percent
40 
Tertiary Lithology
Sand 
Percent
10 
Comments
Start Depth: 195.00 ft
End Depth: 245.00 ft
Unit: Maynes Creek 
System
Mississippian (Subsystem Of Carboniferous System) 
Series
 
Group
Sub-Augusta 
Formation
Maynes Creek 
Member
 
Submember
 
Start Depth
195.00 ft
End Depth
245.00 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
Limestone 
Percent
70 
Secondary Lithology
Dolomite 
Percent
30 
Tertiary Lithology
 
Percent
Comments