Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 115.00 ft
Unit: Pleistocene Series
System
Quaternary
Series
Pleistocene Series
Group
Formation
Member
Submember
Start Depth
0.00 ft
End Depth
115.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till
Percent
80
Secondary Lithology
Silt
Percent
10
Tertiary Lithology
Gravel
Percent
10
Comments
Start Depth: 115.00 ft
End Depth: 300.00 ft
Unit: Silurian
System
Silurian
Series
Group
Formation
Member
Submember
Start Depth
115.00 ft
End Depth
300.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
98
Secondary Lithology
Chert/Chalcedony
Percent
2
Tertiary Lithology
Percent
0
Comments
Start Depth: 300.00 ft
End Depth: 330.00 ft
Unit: Blanding
System
Silurian
Series
Group
Formation
Blanding
Member
Submember
Start Depth
300.00 ft
End Depth
330.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
50
Secondary Lithology
Chert/Chalcedony
Percent
50
Tertiary Lithology
Percent
0
Comments
Start Depth: 330.00 ft
End Depth: 535.00 ft
Unit: Maquoketa
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Submember
Start Depth
330.00 ft
End Depth
535.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
60
Secondary Lithology
Dolomite
Percent
40
Tertiary Lithology
Percent
0
Comments
Start Depth: 535.00 ft
End Depth: 575.00 ft
Unit: Elgin Limestone
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Elgin Limestone
Submember
Start Depth
535.00 ft
End Depth
575.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
82
Secondary Lithology
Shale
Percent
18
Tertiary Lithology
Percent
0
Comments
Start Depth: 575.00 ft
End Depth: 715.00 ft
Unit: Galena
System
Ordovician
Series
Group
Galena
Formation
Member
Submember
Start Depth
575.00 ft
End Depth
715.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 715.00 ft
End Depth: 815.00 ft
Unit: Dunleith
System
Ordovician
Series
Group
Galena
Formation
Dunleith
Member
Submember
Start Depth
715.00 ft
End Depth
815.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
89
Secondary Lithology
Chert/Chalcedony
Percent
10
Tertiary Lithology
Shale
Percent
1
Comments
Start Depth: 815.00 ft
End Depth: 845.00 ft
Unit: Decorah
System
Ordovician
Series
Group
Galena
Formation
Decorah
Member
Submember
Start Depth
815.00 ft
End Depth
845.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Ls/Dol Mixed
Percent
70
Secondary Lithology
Shale
Percent
30
Tertiary Lithology
Percent
0
Comments
Start Depth: 845.00 ft
End Depth: 896.00 ft
Unit: Platteville
System
Ordovician
Series
Group
Galena
Formation
Platteville
Member
Submember
Start Depth
845.00 ft
End Depth
896.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
70
Secondary Lithology
Dolomite
Percent
28
Tertiary Lithology
Shale
Percent
2
Comments
Start Depth: 896.00 ft
End Depth: 910.00 ft
Unit: Glenwood
System
Ordovician
Series
Group
Ancell
Formation
Glenwood
Member
Submember
Start Depth
896.00 ft
End Depth
910.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
80
Secondary Lithology
Dolomite
Percent
15
Tertiary Lithology
Sandstone
Percent
5
Comments
Start Depth: 910.00 ft
End Depth: 965.00 ft
Unit: Tonti
System
Ordovician
Series
Group
Ancell
Formation
St. Peter Sandstone
Member
Tonti
Submember
Start Depth
910.00 ft
End Depth
965.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Sandstone
Percent
95
Secondary Lithology
Shale
Percent
5
Tertiary Lithology
Percent
0
Comments
Start Depth: 965.00 ft
End Depth: 970.00 ft
Unit: Readstown
System
Ordovician
Series
Group
Ancell
Formation
St. Peter Sandstone
Member
Readstown
Submember
Start Depth
965.00 ft
End Depth
970.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
70
Secondary Lithology
Chert/Chalcedony
Percent
20
Tertiary Lithology
Dolomite
Percent
10
Comments
Start Depth: 970.00 ft
End Depth: 1070.00 ft
Unit: Shakopee
System
Ordovician
Series
Group
Prairie Du Chien
Formation
Shakopee
Member
Submember
Start Depth
970.00 ft
End Depth
1070.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
85
Secondary Lithology
Dolomite
Percent
10
Tertiary Lithology
Sandstone
Percent
5
Comments
Start Depth: 1070.00 ft
End Depth: 1243.00 ft
Unit: Oneota
System
Ordovician
Series
Group
Prairie Du Chien
Formation
Oneota
Member
Submember
Start Depth
1070.00 ft
End Depth
1243.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
80
Secondary Lithology
Chert/Chalcedony
Percent
20
Tertiary Lithology
Percent
0
Comments
Start Depth: 1243.00 ft
End Depth: 1276.00 ft
Unit: Coon Valley
System
Cambrian
Series
Group
Formation
Jordan
Member
Coon Valley
Submember
Start Depth
1243.00 ft
End Depth
1276.00 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
Sandstone
Percent
60
Secondary Lithology
Dolomite
Percent
40
Tertiary Lithology
Percent
0
Comments
Start Depth: 1276.00 ft
End Depth: 1309.00 ft
Unit: Jordan
System
Cambrian
Series
Group
Formation
Jordan
Member
Submember
Start Depth
1276.00 ft
End Depth
1309.00 ft
Contact Accuracy
Contacts From Driller's Log - Accurate
Penetration
Complete Gap
Primary Lithology
Percent
0
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments