Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 355.00 ft
Unit: Pleistocene Series
System
Quaternary
Series
Pleistocene Series
Group
Formation
Member
Submember
Start Depth
0.00 ft
End Depth
355.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 355.00 ft
End Depth: 378.00 ft
Unit: Cretaceous
System
Cretaceous
Series
Group
Formation
Member
Submember
Start Depth
355.00 ft
End Depth
378.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Clay
Percent
50
Secondary Lithology
Soil Or Fill
Percent
50
Tertiary Lithology
Unknown
Percent
0
Comments
age questionable
Start Depth: 378.00 ft
End Depth: 400.00 ft
Unit: Salt & Pepper Sands
System
Tertiary
Series
Group
Formation
Salt & Pepper Sands
Member
Submember
Start Depth
378.00 ft
End Depth
400.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Sandstone
Percent
90
Secondary Lithology
Till
Percent
10
Tertiary Lithology
Percent
0
Comments
Start Depth: 400.00 ft
End Depth: 420.00 ft
Unit: Cretaceous
System
Cretaceous
Series
Group
Formation
Member
Submember
Start Depth
400.00 ft
End Depth
420.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Sandstone
Percent
90
Secondary Lithology
Chert/Chalcedony
Percent
10
Tertiary Lithology
Percent
0
Comments
Start Depth: 420.00 ft
End Depth: 725.00 ft
Unit: Devonian
System
Devonian
Series
Group
Formation
Member
Submember
Start Depth
420.00 ft
End Depth
725.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
95
Secondary Lithology
Shale
Percent
5
Tertiary Lithology
Percent
0
Comments
Start Depth: 725.00 ft
End Depth: 758.00 ft
Unit: Maquoketa
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Submember
Start Depth
725.00 ft
End Depth
758.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Chert/Chalcedony
Percent
80
Secondary Lithology
Shale
Percent
10
Tertiary Lithology
Dolomite
Percent
10
Comments
Start Depth: 785.00 ft
End Depth: 800.00 ft
Unit: Galena
System
Ordovician
Series
Group
Galena
Formation
Member
Submember
Start Depth
785.00 ft
End Depth
800.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Partial Penetration (Base Not Met), No Gap At Top
Primary Lithology
Dolomite
Percent
70
Secondary Lithology
Chert/Chalcedony
Percent
30
Tertiary Lithology
Percent
0
Comments