Stratigraphy

Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 67.00 ft
Unit: Pleistocene Series 
System
Quaternary 
Series
Pleistocene Series 
Group
 
Formation
 
Member
 
Submember
 
Start Depth
0.00 ft
End Depth
67.00 ft
Contact Accuracy
Contacts From Driller's Log - Generalized 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Till 
Percent
Secondary Lithology
Sand 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 67.00 ft
End Depth: 104.00 ft
Unit: Owen 
System
Devonian 
Series
 
Group
Yellow Spring (New Albany) 
Formation
Lime Creek 
Member
Owen 
Submember
 
Start Depth
67.00 ft
End Depth
104.00 ft
Contact Accuracy
Contacts From Driller's Log - Generalized 
Penetration
Bedrock Surface - Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
100 
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 104.00 ft
End Depth: 176.00 ft
Unit: Cerro Gordo 
System
Devonian 
Series
 
Group
Yellow Spring (New Albany) 
Formation
Lime Creek 
Member
Cerro Gordo 
Submember
 
Start Depth
104.00 ft
End Depth
176.00 ft
Contact Accuracy
Contacts From Driller's Log - Generalized 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
Secondary Lithology
Shale 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 176.00 ft
End Depth: 197.00 ft
Unit: Juniper Hill 
System
Devonian 
Series
 
Group
Yellow Spring (New Albany) 
Formation
Lime Creek 
Member
Juniper Hill 
Submember
 
Start Depth
176.00 ft
End Depth
197.00 ft
Contact Accuracy
Contacts From Driller's Log - Generalized 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Shale 
Percent
100 
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 197.00 ft
End Depth: 515.00 ft
Unit: Unknown 
System
Unknown 
Series
 
Group
 
Formation
 
Member
 
Submember
 
Start Depth
197.00 ft
End Depth
515.00 ft
Contact Accuracy
Contacts From Driller's Log - Generalized 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
100 
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 515.00 ft
End Depth: 680.00 ft
Unit: Maquoketa 
System
Ordovician 
Series
 
Group
 
Formation
Maquoketa 
Member
 
Submember
 
Start Depth
515.00 ft
End Depth
680.00 ft
Contact Accuracy
Contacts From Driller's Log - Generalized 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
100 
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 680.00 ft
End Depth: 880.00 ft
Unit: Unknown 
System
Unknown 
Series
 
Group
 
Formation
 
Member
 
Submember
 
Start Depth
680.00 ft
End Depth
880.00 ft
Contact Accuracy
Contacts From Driller's Log - Generalized 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
100 
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 880.00 ft
End Depth: 977.00 ft
Unit: Decorah/Platteville Undiff. 
System
Ordovician 
Series
 
Group
Galena 
Formation
Decorah/Platteville Undiff. 
Member
 
Submember
 
Start Depth
880.00 ft
End Depth
977.00 ft
Contact Accuracy
Contacts From Driller's Log - Generalized 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Shale 
Percent
Secondary Lithology
Limestone 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 977.00 ft
End Depth: 1055.00 ft
Unit: St. Peter Sandstone 
System
Ordovician 
Series
 
Group
Ancell 
Formation
St. Peter Sandstone 
Member
 
Submember
 
Start Depth
977.00 ft
End Depth
1055.00 ft
Contact Accuracy
Contacts From Driller's Log - Generalized 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Sandstone 
Percent
100 
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 1055.00 ft
End Depth: 1383.00 ft
Unit: Prairie Du Chien 
System
Ordovician 
Series
 
Group
Prairie Du Chien 
Formation
 
Member
 
Submember
 
Start Depth
1055.00 ft
End Depth
1383.00 ft
Contact Accuracy
Contacts From Driller's Log - Generalized 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
Secondary Lithology
Shale 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 1383.00 ft
End Depth: 1480.00 ft
Unit: Jordan 
System
Cambrian 
Series
 
Group
 
Formation
Jordan 
Member
 
Submember
 
Start Depth
1383.00 ft
End Depth
1480.00 ft
Contact Accuracy
Contacts From Driller's Log - Generalized 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Sandstone 
Percent
100 
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 1480.00 ft
End Depth: 1512.00 ft
Unit: St. Lawrence 
System
Cambrian 
Series
 
Group
 
Formation
St. Lawrence 
Member
 
Submember
 
Start Depth
1480.00 ft
End Depth
1512.00 ft
Contact Accuracy
Contacts From Driller's Log - Generalized 
Penetration
Partial Penetration (Base Not Met), No Gap At Top 
Primary Lithology
Dolomite 
Percent
100 
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments