Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 60.00 ft
Unit: Pleistocene Series
System
Quaternary
Series
Pleistocene Series
Group
Formation
Member
Submember
Start Depth
0.00 ft
End Depth
60.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till - Oxidized And Unleached
Percent
92
Secondary Lithology
Till - Oxidized And Leached
Percent
8
Tertiary Lithology
Percent
0
Comments
Start Depth: 60.00 ft
End Depth: 155.00 ft
Unit: Cedar Valley
System
Devonian
Series
Group
Cedar Valley
Formation
Member
Submember
Start Depth
60.00 ft
End Depth
155.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Bedrock Surface - Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 155.00 ft
End Depth: 163.00 ft
Unit: Davenport
System
Devonian
Series
Group
Wapsipinicon
Formation
Pinicon Ridge
Member
Davenport
Submember
Start Depth
155.00 ft
End Depth
163.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
70
Secondary Lithology
Dolomite
Percent
30
Tertiary Lithology
Percent
0
Comments
Start Depth: 163.00 ft
End Depth: 180.00 ft
Unit: Spring Grove
System
Devonian
Series
Group
Wapsipinicon
Formation
Pinicon Ridge
Member
Spring Grove
Submember
Start Depth
163.00 ft
End Depth
180.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
99
Secondary Lithology
Limestone
Percent
1
Tertiary Lithology
Percent
0
Comments
Start Depth: 180.00 ft
End Depth: 205.00 ft
Unit: Kenwood
System
Devonian
Series
Group
Wapsipinicon
Formation
Pinicon Ridge
Member
Kenwood
Submember
Start Depth
180.00 ft
End Depth
205.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
62
Secondary Lithology
Limestone
Percent
25
Tertiary Lithology
Chert/Chalcedony
Percent
13
Comments
Start Depth: 205.00 ft
End Depth: 380.00 ft
Unit: Silurian
System
Silurian
Series
Group
Formation
Member
Submember
Start Depth
205.00 ft
End Depth
380.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 380.00 ft
End Depth: 485.00 ft
Unit: Blanding
System
Silurian
Series
Group
Formation
Blanding
Member
Submember
Start Depth
380.00 ft
End Depth
485.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
95
Secondary Lithology
Chert/Chalcedony
Percent
5
Tertiary Lithology
Percent
0
Comments
Start Depth: 485.00 ft
End Depth: 487.00 ft
Unit: Maquoketa
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Submember
Start Depth
485.00 ft
End Depth
487.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Partial Penetration (Base Not Met), No Gap At Top
Primary Lithology
Shale
Percent
60
Secondary Lithology
Dolomite
Percent
40
Tertiary Lithology
Percent
0
Comments