Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 57.00 ft
Unit: Quaternary
System
Quaternary
Series
Group
Formation
Member
Submember
Start Depth
0.00 ft
End Depth
57.00 ft
Contact Accuracy
Contacts From Driller's Log - Generalized
Penetration
Complete Penetration, Gaps At Top & Base
Primary Lithology
Unknown
Percent
0
Secondary Lithology
Unknown
Percent
0
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 57.00 ft
End Depth: 100.00 ft
Unit: Unknown
System
Unknown
Series
Group
Formation
Member
Submember
Start Depth
57.00 ft
End Depth
100.00 ft
Contact Accuracy
Contacts From Driller's Log - Generalized
Penetration
Complete Penetration, Gaps At Top & Base
Primary Lithology
Unknown
Percent
0
Secondary Lithology
Unknown
Percent
0
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 100.00 ft
End Depth: 220.00 ft
Unit: Mississippian (Subsystem Of Carboniferous System)
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Formation
Member
Submember
Start Depth
100.00 ft
End Depth
220.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Complete Penetration, Gap At Top
Primary Lithology
Limestone
Percent
70
Secondary Lithology
Dolomite
Percent
20
Tertiary Lithology
Chert/Chalcedony
Percent
10
Comments
Start Depth: 220.00 ft
End Depth: 257.00 ft
Unit: Prospect Hill
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
North Hill
Formation
Prospect Hill
Member
Submember
Start Depth
220.00 ft
End Depth
257.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Siltstone
Percent
60
Secondary Lithology
Shale
Percent
30
Tertiary Lithology
Limestone
Percent
10
Comments
Start Depth: 257.00 ft
End Depth: 280.00 ft
Unit: Mccraney
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
North Hill
Formation
Mccraney
Member
Submember
Start Depth
257.00 ft
End Depth
280.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
80
Secondary Lithology
Dolomite
Percent
20
Tertiary Lithology
Percent
0
Comments
Start Depth: 280.00 ft
End Depth: 480.00 ft
Unit: Yellow Spring (New Albany)
System
Devonian
Series
Group
Yellow Spring (New Albany)
Formation
Member
Submember
Start Depth
280.00 ft
End Depth
480.00 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: 480.00 ft
End Depth: 565.00 ft
Unit: Lime Creek
System
Devonian
Series
Group
Yellow Spring (New Albany)
Formation
Lime Creek
Member
Submember
Start Depth
480.00 ft
End Depth
565.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
65
Secondary Lithology
Limestone
Percent
35
Tertiary Lithology
Percent
0
Comments
Start Depth: 565.00 ft
End Depth: 655.00 ft
Unit: Cedar Valley
System
Devonian
Series
Group
Cedar Valley
Formation
Member
Submember
Start Depth
565.00 ft
End Depth
655.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
99
Secondary Lithology
Gypsum/Anhydrite
Percent
1
Tertiary Lithology
Percent
0
Comments
grainstone
Start Depth: 655.00 ft
End Depth: 802.00 ft
Unit: Wapsipinicon
System
Devonian
Series
Group
Wapsipinicon
Formation
Member
Submember
Start Depth
655.00 ft
End Depth
802.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
80
Secondary Lithology
Chert/Chalcedony
Percent
15
Tertiary Lithology
Shale
Percent
5
Comments
gypsum present
Start Depth: 802.00 ft
End Depth: 1000.00 ft
Unit: Maquoketa
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Submember
Start Depth
802.00 ft
End Depth
1000.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
75
Secondary Lithology
Dolomite
Percent
25
Tertiary Lithology
Percent
0
Comments
Start Depth: 1000.00 ft
End Depth: 1105.00 ft
Unit: Galena
System
Ordovician
Series
Group
Galena
Formation
Member
Submember
Start Depth
1000.00 ft
End Depth
1105.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
71
Secondary Lithology
Dolomite
Percent
25
Tertiary Lithology
Chert/Chalcedony
Percent
4
Comments
Start Depth: 1105.00 ft
End Depth: 1153.00 ft
Unit: Decorah
System
Ordovician
Series
Group
Galena
Formation
Decorah
Member
Submember
Start Depth
1105.00 ft
End Depth
1153.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Complete Penetration, Gap At Base
Primary Lithology
Shale
Percent
55
Secondary Lithology
Limestone
Percent
25
Tertiary Lithology
Dolomite
Percent
20
Comments
Start Depth: 1153.00 ft
End Depth: 1250.00 ft
Unit: Mcgregor
System
Ordovician
Series
Group
Galena
Formation
Platteville
Member
Mcgregor
Submember
Start Depth
1153.00 ft
End Depth
1250.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Limestone
Percent
95
Secondary Lithology
Gypsum/Anhydrite
Percent
3
Tertiary Lithology
Dolomite
Percent
2
Comments
Start Depth: 1250.00 ft
End Depth: 1278.00 ft
Unit: Ordovician
System
Ordovician
Series
Group
Formation
Member
Submember
Start Depth
1250.00 ft
End Depth
1278.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
70
Secondary Lithology
Limestone
Percent
30
Tertiary Lithology
Percent
0
Comments
uncertain of stratigraphic unit Stratigraphic unit not known mixture of green and brown shale not Glenwood
Start Depth: 1278.00 ft
End Depth: 1300.00 ft
Unit: St. Peter Sandstone
System
Ordovician
Series
Group
Ancell
Formation
St. Peter Sandstone
Member
Submember
Start Depth
1278.00 ft
End Depth
1300.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Sandstone
Percent
45
Secondary Lithology
Limestone
Percent
45
Tertiary Lithology
Shale
Percent
10
Comments
Start Depth: 1300.00 ft
End Depth: 1472.00 ft
Unit: Willow River
System
Ordovician
Series
Group
Prairie Du Chien
Formation
Shakopee
Member
Willow River
Submember
Start Depth
1300.00 ft
End Depth
1472.00 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
5
Tertiary Lithology
Sandstone
Percent
5
Comments
Start Depth: 1472.00 ft
End Depth: 1695.00 ft
Unit: Willow River
System
Ordovician
Series
Group
Prairie Du Chien
Formation
Shakopee
Member
Willow River
Submember
Start Depth
1472.00 ft
End Depth
1695.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
88
Secondary Lithology
Sandstone
Percent
7
Tertiary Lithology
Chert/Chalcedony
Percent
5
Comments
Start Depth: 1695.00 ft
End Depth: 1785.00 ft
Unit: Oneota
System
Ordovician
Series
Group
Prairie Du Chien
Formation
Oneota
Member
Submember
Start Depth
1695.00 ft
End Depth
1785.00 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
Dolomite
Percent
98
Secondary Lithology
Chert/Chalcedony
Percent
2
Tertiary Lithology
Percent
0
Comments