Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 25.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
0.00 ft
End Depth
25.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till - Oxidized And Leached
Percent
70
Secondary Lithology
Unknown
Percent
20
Tertiary Lithology
Unknown
Percent
10
Comments
Start Depth: 25.00 ft
End Depth: 45.00 ft
Unit: Pleistocene Series
System
Quaternary
Series
Pleistocene Series
Group
Formation
Member
Submember
Start Depth
25.00 ft
End Depth
45.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Sand And Gravel
Percent
0
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 45.00 ft
End Depth: 55.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
45.00 ft
End Depth
55.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till - Oxidized And Unleached
Percent
0
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 55.00 ft
End Depth: 155.00 ft
Unit: Pleistocene Series
System
Quaternary
Series
Pleistocene Series
Group
Formation
Member
Submember
Start Depth
55.00 ft
End Depth
155.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Sand And Gravel
Percent
0
Secondary Lithology
Clay
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 160.00 ft
End Depth: 240.00 ft
Unit: Keokuk
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Augusta
Formation
Keokuk
Member
Submember
Start Depth
160.00 ft
End Depth
240.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
55
Secondary Lithology
Limestone
Percent
25
Tertiary Lithology
Shale
Percent
20
Comments
Start Depth: 240.00 ft
End Depth: 340.00 ft
Unit: Burlington
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Augusta
Formation
Burlington
Member
Submember
Start Depth
240.00 ft
End Depth
340.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
60
Secondary Lithology
Dolomite
Percent
30
Tertiary Lithology
Dolomite
Percent
10
Comments
Start Depth: 340.00 ft
End Depth: 385.00 ft
Unit: Wassonville
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Sub-Augusta
Formation
Maynes Creek
Member
Wassonville
Submember
Start Depth
340.00 ft
End Depth
385.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
70
Secondary Lithology
Chert/Chalcedony
Percent
15
Tertiary Lithology
Dolomite
Percent
15
Comments
Start Depth: 385.00 ft
End Depth: 400.00 ft
Unit: Prospect Hill
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
North Hill
Formation
Prospect Hill
Member
Submember
Start Depth
385.00 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
Limestone
Percent
40
Secondary Lithology
Siltstone
Percent
35
Tertiary Lithology
Shale
Percent
25
Comments
Start Depth: 400.00 ft
End Depth: 410.00 ft
Unit: Mccraney
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
North Hill
Formation
Mccraney
Member
Submember
Start Depth
400.00 ft
End Depth
410.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
50
Secondary Lithology
Siltstone
Percent
30
Tertiary Lithology
Shale
Percent
20
Comments
Start Depth: 410.00 ft
End Depth: 425.00 ft
Unit: English River
System
Devonian
Series
Group
Yellow Spring (New Albany)
Formation
Maple Mill
Member
English River
Submember
Start Depth
410.00 ft
End Depth
425.00 ft
Contact Accuracy
Unknown
Penetration
Unknown
Primary Lithology
Siltstone
Percent
58
Secondary Lithology
Limestone
Percent
30
Tertiary Lithology
Shale
Percent
12
Comments
Start Depth: 425.00 ft
End Depth: 600.00 ft
Unit: Maple Mill
System
Devonian
Series
Group
Yellow Spring (New Albany)
Formation
Maple Mill
Member
Submember
Start Depth
425.00 ft
End Depth
600.00 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
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 600.00 ft
End Depth: 760.00 ft
Unit: Maple Mill
System
Devonian
Series
Group
Yellow Spring (New Albany)
Formation
Maple Mill
Member
Submember
Start Depth
600.00 ft
End Depth
760.00 ft
Contact Accuracy
Contacts Poorly Defined Or Complete Gap
Penetration
Complete Gap
Primary Lithology
Percent
0
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 760.00 ft
End Depth: 990.00 ft
Unit: Devonian
System
Devonian
Series
Group
Formation
Member
Submember
Start Depth
760.00 ft
End Depth
990.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Gap
Primary Lithology
Unknown
Percent
0
Secondary Lithology
Unknown
Percent
0
Tertiary Lithology
Unknown
Percent
0
Comments
contacts based o n drillers log
Start Depth: 990.00 ft
End Depth: 1110.00 ft
Unit: Maquoketa
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Submember
Start Depth
990.00 ft
End Depth
1110.00 ft
Contact Accuracy
Contacts Poorly Defined Or Complete Gap
Penetration
Complete Gap
Primary Lithology
Percent
0
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
all data based on drillers log
Start Depth: 1100.00 ft
End Depth: 1288.00 ft
Unit: Galena
System
Ordovician
Series
Group
Galena
Formation
Member
Submember
Start Depth
1100.00 ft
End Depth
1288.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Complete Penetration, Gap At Top
Primary Lithology
Dolomite
Percent
98
Secondary Lithology
Shale
Percent
1
Tertiary Lithology
Chert/Chalcedony
Percent
1
Comments
no sample 1100-1200'
Start Depth: 1288.00 ft
End Depth: 1355.00 ft
Unit: Decorah/Platteville Undiff.
System
Ordovician
Series
Group
Galena
Formation
Decorah/Platteville Undiff.
Member
Submember
Start Depth
1288.00 ft
End Depth
1355.00 ft
Contact Accuracy
Unknown
Penetration
Unknown
Primary Lithology
Shale
Percent
94
Secondary Lithology
Dolomite
Percent
5
Tertiary Lithology
Sandstone
Percent
1
Comments
Start Depth: 1355.00 ft
End Depth: 1375.00 ft
Unit: St. Peter Sandstone
System
Ordovician
Series
Group
Ancell
Formation
St. Peter Sandstone
Member
Submember
Start Depth
1355.00 ft
End Depth
1375.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Sandstone
Percent
90
Secondary Lithology
Dolomite
Percent
10
Tertiary Lithology
Percent
0
Comments
Tr Gypsum
Start Depth: 1375.00 ft
End Depth: 1645.00 ft
Unit: Shakopee
System
Ordovician
Series
Group
Prairie Du Chien
Formation
Shakopee
Member
Submember
Start Depth
1375.00 ft
End Depth
1645.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
99
Secondary Lithology
Chert/Chalcedony
Percent
1
Tertiary Lithology
Percent
0
Comments
Start Depth: 1645.00 ft
End Depth: 1840.00 ft
Unit: Oneota
System
Ordovician
Series
Group
Prairie Du Chien
Formation
Oneota
Member
Submember
Start Depth
1645.00 ft
End Depth
1840.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
96
Secondary Lithology
Chert/Chalcedony
Percent
4
Tertiary Lithology
Percent
0
Comments
Tr Gypsum
Start Depth: 1840.00 ft
End Depth: 1870.00 ft
Unit: Coon Valley
System
Cambrian
Series
Group
Formation
Jordan
Member
Coon Valley
Submember
Start Depth
1840.00 ft
End Depth
1870.00 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
95
Secondary Lithology
Chert/Chalcedony
Percent
5
Tertiary Lithology
Percent
0
Comments
Start Depth: 1870.00 ft
End Depth: 1875.00 ft
Unit: Unknown
System
Unknown
Series
Group
Formation
Member
Submember
Start Depth
1870.00 ft
End Depth
1875.00 ft
Contact Accuracy
Contacts Poorly Defined Or Complete Gap
Penetration
Complete Gap
Primary Lithology
Percent
0
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments