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
Sand And Gravel 
Percent
Secondary Lithology
Soil Or Fill 
Percent
Tertiary Lithology
Shale 
Percent
Comments
Start Depth: 30.00 ft
End Depth: 85.00 ft
Unit: Devonian 
System
Devonian 
Series
 
Group
 
Formation
 
Member
 
Submember
 
Start Depth
30.00 ft
End Depth
85.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Bedrock Surface - Complete Penetration, No Gaps 
Primary Lithology
Limestone 
Percent
Secondary Lithology
Sand And Gravel 
Percent
Tertiary Lithology
Shale 
Percent
Comments
Start Depth: 85.00 ft
End Depth: 170.00 ft
Unit: Lime Creek 
System
Devonian 
Series
 
Group
Yellow Spring (New Albany) 
Formation
Lime Creek 
Member
 
Submember
 
Start Depth
85.00 ft
End Depth
170.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Limestone 
Percent
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments
Limestone is sandy with traces of gypsum throughout section.
Start Depth: 170.00 ft
End Depth: 250.00 ft
Unit: Cedar Valley 
System
Devonian 
Series
 
Group
Cedar Valley 
Formation
 
Member
 
Submember
 
Start Depth
170.00 ft
End Depth
250.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Limestone 
Percent
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments
Limestone is very fossiliferous and sandy with traces of gypsum throughout section.
Start Depth: 250.00 ft
End Depth: 290.00 ft
Unit: Wapsipinicon 
System
Devonian 
Series
 
Group
Wapsipinicon 
Formation
 
Member
 
Submember
 
Start Depth
250.00 ft
End Depth
290.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Limestone 
Percent
Secondary Lithology
Dolomite 
Percent
Tertiary Lithology
 
Percent
Comments
Limestone is sandy.
Start Depth: 290.00 ft
End Depth: 430.00 ft
Unit: Silurian 
System
Silurian 
Series
 
Group
 
Formation
 
Member
 
Submember
 
Start Depth
290.00 ft
End Depth
430.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Limestone 
Percent
70 
Secondary Lithology
Dolomite 
Percent
30 
Tertiary Lithology
 
Percent
Comments
Limestone is dolomitic.
Start Depth: 430.00 ft
End Depth: 550.00 ft
Unit: Maquoketa 
System
Ordovician 
Series
 
Group
 
Formation
Maquoketa 
Member
 
Submember
 
Start Depth
430.00 ft
End Depth
550.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Shale 
Percent
Secondary Lithology
Sand And Gravel 
Percent
Tertiary Lithology
 
Percent
Comments
Shale is calcareous with traces of gypsum throughout section.