Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 150.00 ft
Unit: Quaternary
System
Quaternary
Series
Group
Formation
Member
Submember
Start Depth
0.00 ft
End Depth
150.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Sand And Gravel
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 150.00 ft
End Depth: 235.00 ft
Unit: Gilmore City
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Sub-Augusta
Formation
Gilmore City
Member
Submember
Start Depth
150.00 ft
End Depth
235.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Limestone
Percent
70
Secondary Lithology
Sand And Gravel
Percent
20
Tertiary Lithology
Dolomite
Percent
10
Comments
Start Depth: 235.00 ft
End Depth: 337.00 ft
Unit: Iowa Falls Dolomite
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Sub-Augusta
Formation
Gilmore City
Member
Iowa Falls Dolomite
Submember
Start Depth
235.00 ft
End Depth
337.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Dolomite
Percent
60
Secondary Lithology
Chert/Chalcedony
Percent
40
Tertiary Lithology
Percent
0
Comments
Start Depth: 337.00 ft
End Depth: 370.00 ft
Unit: Devonian
System
Devonian
Series
Group
Formation
Member
Submember
Start Depth
337.00 ft
End Depth
370.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Siltstone
Percent
75
Secondary Lithology
Dolomite
Percent
15
Tertiary Lithology
Limestone
Percent
10
Comments
Start Depth: 370.00 ft
End Depth: 540.00 ft
Unit: Lime Creek
System
Devonian
Series
Group
Yellow Spring (New Albany)
Formation
Lime Creek
Member
Submember
Start Depth
370.00 ft
End Depth
540.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Limestone
Percent
60
Secondary Lithology
Dolomite
Percent
40
Tertiary Lithology
Percent
0
Comments
Start Depth: 540.00 ft
End Depth: 830.00 ft
Unit: Cedar Valley
System
Devonian
Series
Group
Cedar Valley
Formation
Member
Submember
Start Depth
540.00 ft
End Depth
830.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Dolomite
Percent
80
Secondary Lithology
Gypsum/Anhydrite
Percent
18
Tertiary Lithology
Chert/Chalcedony
Percent
2
Comments
Start Depth: 830.00 ft
End Depth: 870.00 ft
Unit: Coralville
System
Devonian
Series
Group
Cedar Valley
Formation
Coralville
Member
Submember
Start Depth
830.00 ft
End Depth
870.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
70
Secondary Lithology
Gypsum/Anhydrite
Percent
30
Tertiary Lithology
Percent
0
Comments
Start Depth: 870.00 ft
End Depth: 975.00 ft
Unit: Little Cedar
System
Devonian
Series
Group
Cedar Valley
Formation
Little Cedar
Member
Submember
Start Depth
870.00 ft
End Depth
975.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
77
Secondary Lithology
Gypsum/Anhydrite
Percent
20
Tertiary Lithology
Limestone
Percent
3
Comments
Start Depth: 975.00 ft
End Depth: 1150.00 ft
Unit: Maquoketa
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Submember
Start Depth
975.00 ft
End Depth
1150.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Chert/Chalcedony
Percent
50
Secondary Lithology
Dolomite
Percent
30
Tertiary Lithology
Limestone
Percent
20
Comments
Start Depth: 1150.00 ft
End Depth: 1355.00 ft
Unit: Galena
System
Ordovician
Series
Group
Galena
Formation
Member
Submember
Start Depth
1150.00 ft
End Depth
1355.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
85
Secondary Lithology
Dolomite
Percent
10
Tertiary Lithology
Chert/Chalcedony
Percent
5
Comments
Start Depth: 1355.00 ft
End Depth: 1405.00 ft
Unit: Decorah/Platteville Undiff.
System
Ordovician
Series
Group
Galena
Formation
Decorah/Platteville Undiff.
Member
Submember
Start Depth
1355.00 ft
End Depth
1405.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Limestone
Percent
80
Secondary Lithology
Shale
Percent
20
Tertiary Lithology
Percent
0
Comments
Start Depth: 1405.00 ft
End Depth: 1440.00 ft
Unit: Platteville
System
Ordovician
Series
Group
Galena
Formation
Platteville
Member
Submember
Start Depth
1405.00 ft
End Depth
1440.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Sandstone
Percent
65
Secondary Lithology
Limestone
Percent
30
Tertiary Lithology
Dolomite
Percent
5
Comments
Start Depth: 1440.00 ft
End Depth: 1481.00 ft
Unit: St. Peter Sandstone
System
Ordovician
Series
Group
Ancell
Formation
St. Peter Sandstone
Member
Submember
Start Depth
1440.00 ft
End Depth
1481.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Sandstone
Percent
40
Secondary Lithology
Limestone
Percent
30
Tertiary Lithology
Shale
Percent
30
Comments
Start Depth: 1481.00 ft
End Depth: 1685.00 ft
Unit: Shakopee
System
Ordovician
Series
Group
Prairie Du Chien
Formation
Shakopee
Member
Submember
Start Depth
1481.00 ft
End Depth
1685.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Dolomite
Percent
97
Secondary Lithology
Sandstone
Percent
3
Tertiary Lithology
Percent
0
Comments
Start Depth: 1685.00 ft
End Depth: 1848.00 ft
Unit: Oneota
System
Ordovician
Series
Group
Prairie Du Chien
Formation
Oneota
Member
Submember
Start Depth
1685.00 ft
End Depth
1848.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
99
Secondary Lithology
Chert/Chalcedony
Percent
1
Tertiary Lithology
Percent
0
Comments
Start Depth: 1848.00 ft
End Depth: 1855.00 ft
Unit: Coon Valley
System
Cambrian
Series
Group
Formation
Jordan
Member
Coon Valley
Submember
Start Depth
1848.00 ft
End Depth
1855.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
99
Secondary Lithology
Sandstone
Percent
1
Tertiary Lithology
Percent
0
Comments
Start Depth: 1855.00 ft
End Depth: 1883.00 ft
Unit: Jordan
System
Cambrian
Series
Group
Formation
Jordan
Member
Submember
Start Depth
1855.00 ft
End Depth
1883.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Sandstone
Percent
50
Secondary Lithology
Dolomite
Percent
50
Tertiary Lithology
Percent
0
Comments
Start Depth: 1883.00 ft
End Depth: 1980.00 ft
Unit: St. Lawrence
System
Cambrian
Series
Group
Formation
St. Lawrence
Member
Submember
Start Depth
1883.00 ft
End Depth
1980.00 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
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments