Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 257.00 ft
Unit: Pleistocene Series
System
Quaternary
Series
Pleistocene Series
Group
Formation
Member
Submember
Start Depth
0.00 ft
End Depth
257.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Sand And Gravel
Percent
50
Secondary Lithology
Till
Percent
43
Tertiary Lithology
Till - Oxidized And Leached
Percent
7
Comments
Start Depth: 257.00 ft
End Depth: 310.00 ft
Unit: Pennsylvanian (Subsystem Of Carboniferous System)
System
Pennsylvanian (Subsystem Of Carboniferous System)
Series
Group
Formation
Member
Submember
Start Depth
257.00 ft
End Depth
310.00 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: 310.00 ft
End Depth: 360.00 ft
Unit: St. Louis
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Formation
St. Louis
Member
Submember
Start Depth
310.00 ft
End Depth
360.00 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
Sandstone
Percent
10
Comments
Start Depth: 360.00 ft
End Depth: 425.00 ft
Unit: Keokuk
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Augusta
Formation
Keokuk
Member
Submember
Start Depth
360.00 ft
End Depth
425.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
60
Secondary Lithology
Limestone
Percent
30
Tertiary Lithology
Chert/Chalcedony
Percent
10
Comments
Start Depth: 425.00 ft
End Depth: 475.00 ft
Unit: Burlington
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Augusta
Formation
Burlington
Member
Submember
Start Depth
425.00 ft
End Depth
475.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 475.00 ft
End Depth: 593.00 ft
Unit: Gilmore City
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Sub-Augusta
Formation
Gilmore City
Member
Submember
Start Depth
475.00 ft
End Depth
593.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
95
Secondary Lithology
Dolomite
Percent
5
Tertiary Lithology
Percent
0
Comments
Start Depth: 593.00 ft
End Depth: 760.00 ft
Unit: Maynes Creek
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Sub-Augusta
Formation
Maynes Creek
Member
Submember
Start Depth
593.00 ft
End Depth
760.00 ft
Contact Accuracy
Unknown
Penetration
Unknown
Primary Lithology
Ls/Dol Mixed
Percent
80
Secondary Lithology
Chert/Chalcedony
Percent
20
Tertiary Lithology
Percent
0
Comments
Start Depth: 760.00 ft
End Depth: 775.00 ft
Unit: Prospect Hill
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
North Hill
Formation
Prospect Hill
Member
Submember
Start Depth
760.00 ft
End Depth
775.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
50
Secondary Lithology
Siltstone
Percent
30
Tertiary Lithology
Shale
Percent
20
Comments
Start Depth: 775.00 ft
End Depth: 820.00 ft
Unit: Maple Mill
System
Devonian
Series
Group
Yellow Spring (New Albany)
Formation
Maple Mill
Member
Submember
Start Depth
775.00 ft
End Depth
820.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
50
Secondary Lithology
Dolomite
Percent
48
Tertiary Lithology
Chert/Chalcedony
Percent
2
Comments
Start Depth: 820.00 ft
End Depth: 1343.00 ft
Unit: Devonian
System
Devonian
Series
Group
Formation
Member
Submember
Start Depth
820.00 ft
End Depth
1343.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
80
Secondary Lithology
Limestone
Percent
19
Tertiary Lithology
Chert/Chalcedony
Percent
1
Comments
Start Depth: 1343.00 ft
End Depth: 1437.00 ft
Unit: Maquoketa
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Submember
Start Depth
1343.00 ft
End Depth
1437.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
55
Secondary Lithology
Chert/Chalcedony
Percent
30
Tertiary Lithology
Limestone
Percent
15
Comments
Start Depth: 1437.00 ft
End Depth: 1550.00 ft
Unit: Galena
System
Ordovician
Series
Group
Galena
Formation
Member
Submember
Start Depth
1437.00 ft
End Depth
1550.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
87
Secondary Lithology
Limestone
Percent
8
Tertiary Lithology
Chert/Chalcedony
Percent
5
Comments
Start Depth: 1550.00 ft
End Depth: 1660.00 ft
Unit: Decorah/Platteville Undiff.
System
Ordovician
Series
Group
Galena
Formation
Decorah/Platteville Undiff.
Member
Submember
Start Depth
1550.00 ft
End Depth
1660.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
89
Secondary Lithology
Limestone
Percent
10
Tertiary Lithology
Chert/Chalcedony
Percent
1
Comments
upper dolomite is sandy
Start Depth: 1660.00 ft
End Depth: 1677.00 ft
Unit: Glenwood
System
Ordovician
Series
Group
Ancell
Formation
Glenwood
Member
Submember
Start Depth
1660.00 ft
End Depth
1677.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
80
Secondary Lithology
Dolomite
Percent
17
Tertiary Lithology
Limestone
Percent
3
Comments
Start Depth: 1677.00 ft
End Depth: 1735.00 ft
Unit: St. Peter Sandstone
System
Ordovician
Series
Group
Ancell
Formation
St. Peter Sandstone
Member
Submember
Start Depth
1677.00 ft
End Depth
1735.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Sandstone
Percent
85
Secondary Lithology
Shale
Percent
10
Tertiary Lithology
Ls/Dol Mixed
Percent
5
Comments
Start Depth: 1735.00 ft
End Depth: 1750.00 ft
Unit: Readstown
System
Ordovician
Series
Group
Ancell
Formation
St. Peter Sandstone
Member
Readstown
Submember
Start Depth
1735.00 ft
End Depth
1750.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Sandstone
Percent
40
Secondary Lithology
Shale
Percent
30
Tertiary Lithology
Dolomite
Percent
30
Comments
Start Depth: 1750.00 ft
End Depth: 1839.00 ft
Unit: Willow River
System
Ordovician
Series
Group
Prairie Du Chien
Formation
Shakopee
Member
Willow River
Submember
Start Depth
1750.00 ft
End Depth
1839.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Dolomite
Percent
90
Secondary Lithology
Chert/Chalcedony
Percent
7
Tertiary Lithology
Sandstone
Percent
3
Comments
Start Depth: 1839.00 ft
End Depth: 1870.00 ft
Unit: New Richmond
System
Ordovician
Series
Group
Prairie Du Chien
Formation
Shakopee
Member
New Richmond
Submember
Start Depth
1839.00 ft
End Depth
1870.00 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
Sandstone
Percent
85
Secondary Lithology
Dolomite
Percent
15
Tertiary Lithology
Percent
0
Comments