Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 19.00 ft
Unit: Pleistocene Series
System
Quaternary
Series
Pleistocene Series
Group
Formation
Member
Submember
Start Depth
0.00 ft
End Depth
19.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till - Unoxidized And Unleached
Percent
70
Secondary Lithology
Till - Oxidized And Unleached
Percent
30
Tertiary Lithology
Percent
0
Comments
Start Depth: 19.00 ft
End Depth: 85.00 ft
Unit: Little Cedar
System
Devonian
Series
Group
Cedar Valley
Formation
Little Cedar
Member
Submember
Start Depth
19.00 ft
End Depth
85.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
85
Secondary Lithology
Dolomite
Percent
15
Tertiary Lithology
Percent
0
Comments
Start Depth: 85.00 ft
End Depth: 130.00 ft
Unit: Wapsipinicon
System
Devonian
Series
Group
Wapsipinicon
Formation
Member
Submember
Start Depth
85.00 ft
End Depth
130.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
80
Secondary Lithology
Siltstone
Percent
20
Tertiary Lithology
Percent
0
Comments
Start Depth: 130.00 ft
End Depth: 245.00 ft
Unit: Silurian
System
Silurian
Series
Group
Formation
Member
Submember
Start Depth
130.00 ft
End Depth
245.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
80
Secondary Lithology
Chert/Chalcedony
Percent
20
Tertiary Lithology
Percent
0
Comments
Start Depth: 245.00 ft
End Depth: 422.00 ft
Unit: Maquoketa
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Submember
Start Depth
245.00 ft
End Depth
422.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Partial Penetration (Base Not Met), No Gap At Top
Primary Lithology
Shale
Percent
100
Secondary Lithology
Unknown
Percent
0
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 422.00 ft
End Depth: 530.00 ft
Unit: Elgin Limestone
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Elgin Limestone
Submember
Start Depth
422.00 ft
End Depth
530.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Complete Penetration, Gap At Top
Primary Lithology
Dolomite
Percent
85
Secondary Lithology
Shale
Percent
10
Tertiary Lithology
Chert/Chalcedony
Percent
5
Comments
Start Depth: 530.00 ft
End Depth: 670.00 ft
Unit: Galena
System
Ordovician
Series
Group
Galena
Formation
Member
Submember
Start Depth
530.00 ft
End Depth
670.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Limestone
Percent
75
Secondary Lithology
Dolomite
Percent
22
Tertiary Lithology
Shale
Percent
3
Comments
Start Depth: 670.00 ft
End Depth: 828.00 ft
Unit: Decorah/Platteville Undiff.
System
Ordovician
Series
Group
Galena
Formation
Decorah/Platteville Undiff.
Member
Submember
Start Depth
670.00 ft
End Depth
828.00 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
Limestone
Percent
70
Secondary Lithology
Dolomite
Percent
30
Tertiary Lithology
Percent
0
Comments
Start Depth: 828.00 ft
End Depth: 838.00 ft
Unit: Glenwood
System
Ordovician
Series
Group
Ancell
Formation
Glenwood
Member
Submember
Start Depth
828.00 ft
End Depth
838.00 ft
Contact Accuracy
Contacts From Driller's Log - Generalized
Penetration
Complete Gap
Primary Lithology
Percent
0
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 838.00 ft
End Depth: 880.00 ft
Unit: St. Peter Sandstone
System
Ordovician
Series
Group
Ancell
Formation
St. Peter Sandstone
Member
Submember
Start Depth
838.00 ft
End Depth
880.00 ft
Contact Accuracy
Contacts From Driller's Log - Accurate
Penetration
Complete Gap
Primary Lithology
Percent
0
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments