Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 100.00 ft
Unit: Quaternary
System
Quaternary
Series
Group
Formation
Member
Submember
Start Depth
0.00 ft
End Depth
100.00 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
Start Depth: 100.00 ft
End Depth: 224.00 ft
Unit: Cedar Valley
System
Devonian
Series
Group
Cedar Valley
Formation
Member
Submember
Start Depth
100.00 ft
End Depth
224.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
99
Secondary Lithology
Dolomite
Percent
1
Tertiary Lithology
Percent
0
Comments
Start Depth: 224.00 ft
End Depth: 288.00 ft
Unit: Pinicon Ridge
System
Devonian
Series
Group
Wapsipinicon
Formation
Pinicon Ridge
Member
Submember
Start Depth
224.00 ft
End Depth
288.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
67
Secondary Lithology
Limestone
Percent
30
Tertiary Lithology
Shale
Percent
3
Comments
Start Depth: 288.00 ft
End Depth: 480.00 ft
Unit: Silurian
System
Silurian
Series
Group
Formation
Member
Submember
Start Depth
288.00 ft
End Depth
480.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
98
Secondary Lithology
Chert/Chalcedony
Percent
1
Tertiary Lithology
Shale
Percent
1
Comments
Start Depth: 480.00 ft
End Depth: 545.00 ft
Unit: Maquoketa
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Submember
Start Depth
480.00 ft
End Depth
545.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
90
Secondary Lithology
Dolomite
Percent
10
Tertiary Lithology
Percent
0
Comments
Start Depth: 545.00 ft
End Depth: 620.00 ft
Unit: Ft. Atkinson Limestone
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Ft. Atkinson Limestone
Submember
Start Depth
545.00 ft
End Depth
620.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
75
Secondary Lithology
Limestone
Percent
15
Tertiary Lithology
Chert/Chalcedony
Percent
10
Comments
Start Depth: 620.00 ft
End Depth: 645.00 ft
Unit: Clermont Shale
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Clermont Shale
Submember
Start Depth
620.00 ft
End Depth
645.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
55
Secondary Lithology
Shale
Percent
45
Tertiary Lithology
Percent
0
Comments
Sh gray
Start Depth: 645.00 ft
End Depth: 697.00 ft
Unit: Elgin Limestone
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Elgin Limestone
Submember
Start Depth
645.00 ft
End Depth
697.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
55
Secondary Lithology
Dolomite
Percent
45
Tertiary Lithology
Percent
0
Comments
Sh brown
Start Depth: 697.00 ft
End Depth: 912.00 ft
Unit: Galena
System
Ordovician
Series
Group
Galena
Formation
Member
Submember
Start Depth
697.00 ft
End Depth
912.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
89
Secondary Lithology
Limestone
Percent
10
Tertiary Lithology
Chert/Chalcedony
Percent
1
Comments
Start Depth: 912.00 ft
End Depth: 1012.00 ft
Unit: Decorah/Platteville Undiff.
System
Ordovician
Series
Group
Galena
Formation
Decorah/Platteville Undiff.
Member
Submember
Start Depth
912.00 ft
End Depth
1012.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
90
Secondary Lithology
Dolomite
Percent
9
Tertiary Lithology
Shale
Percent
1
Comments
Start Depth: 1012.00 ft
End Depth: 1022.00 ft
Unit: Glenwood
System
Ordovician
Series
Group
Ancell
Formation
Glenwood
Member
Submember
Start Depth
1012.00 ft
End Depth
1022.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
50
Secondary Lithology
Limestone
Percent
26
Tertiary Lithology
Dolomite
Percent
24
Comments
Sh brown and green
Start Depth: 1022.00 ft
End Depth: 1075.00 ft
Unit: St. Peter Sandstone
System
Ordovician
Series
Group
Ancell
Formation
St. Peter Sandstone
Member
Submember
Start Depth
1022.00 ft
End Depth
1075.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Sandstone
Percent
40
Secondary Lithology
Dolomite
Percent
35
Tertiary Lithology
Shale
Percent
25
Comments
Start Depth: 1075.00 ft
End Depth: 1490.00 ft
Unit: Prairie Du Chien
System
Ordovician
Series
Group
Prairie Du Chien
Formation
Member
Submember
Start Depth
1075.00 ft
End Depth
1490.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
88
Secondary Lithology
Chert/Chalcedony
Percent
10
Tertiary Lithology
Limestone
Percent
2
Comments
Start Depth: 1490.00 ft
End Depth: 1670.00 ft
Unit: Jordan
System
Cambrian
Series
Group
Formation
Jordan
Member
Submember
Start Depth
1490.00 ft
End Depth
1670.00 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
Dolomite
Percent
65
Secondary Lithology
Sandstone
Percent
35
Tertiary Lithology
Percent
0
Comments
Bottom contact based on drillers log
Start Depth: 1670.00 ft
End Depth: 1744.00 ft
Unit: St. Lawrence
System
Cambrian
Series
Group
Formation
St. Lawrence
Member
Submember
Start Depth
1670.00 ft
End Depth
1744.00 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