Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 90.00 ft
Unit: Quaternary
System
Quaternary
Series
Group
Formation
Member
Submember
Start Depth
0.00 ft
End Depth
90.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Partial Penetration (Base Not Met), Gap At Top
Primary Lithology
Sand And Gravel
Percent
80
Secondary Lithology
Till
Percent
20
Tertiary Lithology
Percent
0
Comments
Start Depth: 90.00 ft
End Depth: 350.00 ft
Unit: Cherokee
System
Pennsylvanian (Subsystem Of Carboniferous System)
Series
Group
Cherokee
Formation
Member
Submember
Start Depth
90.00 ft
End Depth
350.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
40
Secondary Lithology
Sandstone
Percent
30
Tertiary Lithology
Siltstone
Percent
30
Comments
Start Depth: 340.00 ft
End Depth: 450.00 ft
Unit: Warsaw
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Augusta
Formation
Warsaw
Member
Submember
Start Depth
340.00 ft
End Depth
450.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
50
Secondary Lithology
Sandstone
Percent
40
Tertiary Lithology
Chert/Chalcedony
Percent
10
Comments
Start Depth: 350.00 ft
End Depth: 430.00 ft
Unit: St. Louis
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Formation
St. Louis
Member
Submember
Start Depth
350.00 ft
End Depth
430.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
60
Secondary Lithology
Shale
Percent
25
Tertiary Lithology
Limestone
Percent
15
Comments
Start Depth: 350.00 ft
End Depth: 610.00 ft
Unit: Keokuk
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Augusta
Formation
Keokuk
Member
Submember
Start Depth
350.00 ft
End Depth
610.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
65
Secondary Lithology
Limestone
Percent
20
Tertiary Lithology
Chert/Chalcedony
Percent
15
Comments
Start Depth: 610.00 ft
End Depth: 640.00 ft
Unit: Gilmore City
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Sub-Augusta
Formation
Gilmore City
Member
Submember
Start Depth
610.00 ft
End Depth
640.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
92
Secondary Lithology
Chert/Chalcedony
Percent
5
Tertiary Lithology
Shale
Percent
3
Comments
Start Depth: 640.00 ft
End Depth: 720.00 ft
Unit: Sub-Augusta
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Sub-Augusta
Formation
Member
Submember
Start Depth
640.00 ft
End Depth
720.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
45
Secondary Lithology
Dolomite
Percent
35
Tertiary Lithology
Chert/Chalcedony
Percent
20
Comments
Start Depth: 720.00 ft
End Depth: 800.00 ft
Unit: Maple Mill
System
Devonian
Series
Group
Yellow Spring (New Albany)
Formation
Maple Mill
Member
Submember
Start Depth
720.00 ft
End Depth
800.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
68
Secondary Lithology
Dolomite
Percent
30
Tertiary Lithology
Clay
Percent
2
Comments
Start Depth: 800.00 ft
End Depth: 900.00 ft
Unit: Lime Creek
System
Devonian
Series
Group
Yellow Spring (New Albany)
Formation
Lime Creek
Member
Submember
Start Depth
800.00 ft
End Depth
900.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
87
Secondary Lithology
Dolomite
Percent
7
Tertiary Lithology
Chert/Chalcedony
Percent
6
Comments
Start Depth: 900.00 ft
End Depth: 1360.00 ft
Unit: Cedar Valley
System
Devonian
Series
Group
Cedar Valley
Formation
Member
Submember
Start Depth
900.00 ft
End Depth
1360.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
85
Secondary Lithology
Shale
Percent
8
Tertiary Lithology
Gypsum/Anhydrite
Percent
7
Comments
Start Depth: 1360.00 ft
End Depth: 1400.00 ft
Unit: Wapsipinicon
System
Devonian
Series
Group
Wapsipinicon
Formation
Member
Submember
Start Depth
1360.00 ft
End Depth
1400.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
87
Secondary Lithology
Shale
Percent
13
Tertiary Lithology
Percent
0
Comments
Start Depth: 1400.00 ft
End Depth: 1420.00 ft
Unit: Gower
System
Silurian
Series
Group
Formation
Gower
Member
Submember
Start Depth
1400.00 ft
End Depth
1420.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Dolomite
Percent
93
Secondary Lithology
Shale
Percent
7
Tertiary Lithology
Percent
0
Comments
Start Depth: 1420.00 ft
End Depth: 1430.00 ft
Unit: Neda
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Neda
Submember
Start Depth
1420.00 ft
End Depth
1430.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Shale
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 1430.00 ft
End Depth: 1470.00 ft
Unit: Brainard Shale
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Brainard Shale
Submember
Start Depth
1430.00 ft
End Depth
1470.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 1470.00 ft
End Depth: 1580.00 ft
Unit: Ft. Atkinson Limestone
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Ft. Atkinson Limestone
Submember
Start Depth
1470.00 ft
End Depth
1580.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
84
Secondary Lithology
Shale
Percent
14
Tertiary Lithology
Chert/Chalcedony
Percent
2
Comments
Start Depth: 1580.00 ft
End Depth: 1620.00 ft
Unit: Clermont Shale
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Clermont Shale
Submember
Start Depth
1580.00 ft
End Depth
1620.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
91
Secondary Lithology
Shale
Percent
9
Tertiary Lithology
Percent
0
Comments
Start Depth: 1620.00 ft
End Depth: 1710.00 ft
Unit: Elgin Limestone
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Elgin Limestone
Submember
Start Depth
1620.00 ft
End Depth
1710.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
50
Secondary Lithology
Chert/Chalcedony
Percent
43
Tertiary Lithology
Shale
Percent
7
Comments
Start Depth: 1710.00 ft
End Depth: 1875.00 ft
Unit: Galena
System
Ordovician
Series
Group
Galena
Formation
Member
Submember
Start Depth
1710.00 ft
End Depth
1875.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
87
Secondary Lithology
Chert/Chalcedony
Percent
8
Tertiary Lithology
Shale
Percent
5
Comments
Start Depth: 1875.00 ft
End Depth: 1900.00 ft
Unit: Decorah
System
Ordovician
Series
Group
Galena
Formation
Decorah
Member
Submember
Start Depth
1875.00 ft
End Depth
1900.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
85
Secondary Lithology
Shale
Percent
15
Tertiary Lithology
Percent
0
Comments
Start Depth: 1900.00 ft
End Depth: 1920.00 ft
Unit: Platteville
System
Ordovician
Series
Group
Galena
Formation
Platteville
Member
Submember
Start Depth
1900.00 ft
End Depth
1920.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
90
Secondary Lithology
Shale
Percent
10
Tertiary Lithology
Percent
0
Comments
Start Depth: 1920.00 ft
End Depth: 1930.00 ft
Unit: Glenwood
System
Ordovician
Series
Group
Ancell
Formation
Glenwood
Member
Submember
Start Depth
1920.00 ft
End Depth
1930.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
60
Secondary Lithology
Dolomite
Percent
40
Tertiary Lithology
Percent
0
Comments
Start Depth: 1930.00 ft
End Depth: 1960.00 ft
Unit: St. Peter Sandstone
System
Ordovician
Series
Group
Ancell
Formation
St. Peter Sandstone
Member
Submember
Start Depth
1930.00 ft
End Depth
1960.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Sandstone
Percent
82
Secondary Lithology
Shale
Percent
10
Tertiary Lithology
Dolomite
Percent
8
Comments
Start Depth: 1960.00 ft
End Depth: 2200.00 ft
Unit: Prairie Du Chien
System
Ordovician
Series
Group
Prairie Du Chien
Formation
Member
Submember
Start Depth
1960.00 ft
End Depth
2200.00 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
86
Secondary Lithology
Shale
Percent
8
Tertiary Lithology
Chert/Chalcedony
Percent
6
Comments