Stratigraphy

 

Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 40.00 ft
Unit: Pleistocene Series 
System
Quaternary 
Series
Pleistocene Series 
Group
 
Formation
 
Member
 
Submember
 
Start Depth
0.00 ft
End Depth
40.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Sand 
Percent
Secondary Lithology
Till 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 40.00 ft
End Depth: 115.00 ft
Unit: Solon 
System
Devonian 
Series
 
Group
Cedar Valley 
Formation
Little Cedar 
Member
Solon 
Submember
 
Start Depth
40.00 ft
End Depth
115.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Bedrock Surface - Complete Penetration, No Gaps 
Primary Lithology
Limestone 
Percent
Secondary Lithology
Shale 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 115.00 ft
End Depth: 125.00 ft
Unit: Davenport 
System
Devonian 
Series
 
Group
Wapsipinicon 
Formation
Pinicon Ridge 
Member
Davenport 
Submember
 
Start Depth
115.00 ft
End Depth
125.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Limestone 
Percent
Secondary Lithology
Shale 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 125.00 ft
End Depth: 145.00 ft
Unit: Spring Grove 
System
Devonian 
Series
 
Group
Wapsipinicon 
Formation
Pinicon Ridge 
Member
Spring Grove 
Submember
 
Start Depth
125.00 ft
End Depth
145.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
Secondary Lithology
Limestone 
Percent
Tertiary Lithology
Shale 
Percent
Comments
Start Depth: 145.00 ft
End Depth: 160.00 ft
Unit: Kenwood 
System
Devonian 
Series
 
Group
Wapsipinicon 
Formation
Pinicon Ridge 
Member
Kenwood 
Submember
 
Start Depth
145.00 ft
End Depth
160.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
Secondary Lithology
Shale 
Percent
Tertiary Lithology
Chert/Chalcedony 
Percent
Comments
Start Depth: 160.00 ft
End Depth: 170.00 ft
Unit: Otis 
System
Devonian 
Series
 
Group
Wapsipinicon 
Formation
Otis 
Member
 
Submember
 
Start Depth
160.00 ft
End Depth
170.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
Secondary Lithology
Shale 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 170.00 ft
End Depth: 193.00 ft
Unit: Otis 
System
Devonian 
Series
 
Group
Wapsipinicon 
Formation
Otis 
Member
 
Submember
 
Start Depth
170.00 ft
End Depth
193.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
Secondary Lithology
Chert/Chalcedony 
Percent
Tertiary Lithology
Limestone 
Percent
Comments
Start Depth: 193.00 ft
End Depth: 198.00 ft
Unit: Laporte City 
System
Silurian 
Series
 
Group
 
Formation
Laporte City 
Member
 
Submember
 
Start Depth
193.00 ft
End Depth
198.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Chert/Chalcedony 
Percent
Secondary Lithology
Dolomite 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 198.00 ft
End Depth: 350.00 ft
Unit: Silurian 
System
Silurian 
Series
 
Group
 
Formation
 
Member
 
Submember
 
Start Depth
198.00 ft
End Depth
350.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Partial Penetration (Base Not Met), No Gap At Top 
Primary Lithology
Dolomite 
Percent
Secondary Lithology
Chert/Chalcedony 
Percent
Tertiary Lithology
 
Percent
Comments