Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 108.00 ft
Unit: Quaternary
System
Quaternary
Series
Group
Formation
Member
Submember
Start Depth
0.00 ft
End Depth
108.00 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
no sample
Start Depth: 108.00 ft
End Depth: 155.00 ft
Unit: Devonian
System
Devonian
Series
Group
Formation
Member
Submember
Start Depth
108.00 ft
End Depth
155.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Gap
Primary Lithology
Percent
0
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
call of Dev. based on drillers log
Start Depth: 155.00 ft
End Depth: 480.00 ft
Unit: Silurian
System
Silurian
Series
Group
Formation
Member
Submember
Start Depth
155.00 ft
End Depth
480.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
97
Secondary Lithology
Chert/Chalcedony
Percent
3
Tertiary Lithology
Percent
0
Comments
Start Depth: 480.00 ft
End Depth: 550.00 ft
Unit: Brainard Shale
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Brainard Shale
Submember
Start Depth
480.00 ft
End Depth
550.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
80
Secondary Lithology
Dolomite
Percent
20
Tertiary Lithology
Percent
0
Comments
Start Depth: 550.00 ft
End Depth: 598.00 ft
Unit: Ft. Atkinson Limestone
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Ft. Atkinson Limestone
Submember
Start Depth
550.00 ft
End Depth
598.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
70
Secondary Lithology
Chert/Chalcedony
Percent
30
Tertiary Lithology
Percent
0
Comments
Start Depth: 598.00 ft
End Depth: 675.00 ft
Unit: Clermont Shale
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Clermont Shale
Submember
Start Depth
598.00 ft
End Depth
675.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
70
Secondary Lithology
Dolomite
Percent
30
Tertiary Lithology
Percent
0
Comments
Start Depth: 675.00 ft
End Depth: 747.00 ft
Unit: Elgin Limestone
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Elgin Limestone
Submember
Start Depth
675.00 ft
End Depth
747.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
95
Secondary Lithology
Chert/Chalcedony
Percent
4
Tertiary Lithology
Shale
Percent
1
Comments
Start Depth: 747.00 ft
End Depth: 977.00 ft
Unit: Galena
System
Ordovician
Series
Group
Galena
Formation
Member
Submember
Start Depth
747.00 ft
End Depth
977.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
97
Secondary Lithology
Chert/Chalcedony
Percent
3
Tertiary Lithology
Percent
0
Comments
Start Depth: 977.00 ft
End Depth: 1052.00 ft
Unit: Decorah/Platteville Undiff.
System
Ordovician
Series
Group
Galena
Formation
Decorah/Platteville Undiff.
Member
Submember
Start Depth
977.00 ft
End Depth
1052.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
90
Secondary Lithology
Dolomite
Percent
10
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 1052.00 ft
End Depth: 1084.00 ft
Unit: St. Peter Sandstone
System
Ordovician
Series
Group
Ancell
Formation
St. Peter Sandstone
Member
Submember
Start Depth
1052.00 ft
End Depth
1084.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
70
Secondary Lithology
Dolomite
Percent
30
Tertiary Lithology
Unknown
Percent
0
Comments
contacts based on drillers log
Start Depth: 1084.00 ft
End Depth: 1287.00 ft
Unit: Shakopee
System
Ordovician
Series
Group
Prairie Du Chien
Formation
Shakopee
Member
Submember
Start Depth
1084.00 ft
End Depth
1287.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Dolomite
Percent
97
Secondary Lithology
Limestone
Percent
3
Tertiary Lithology
Percent
0
Comments
Start Depth: 1287.00 ft
End Depth: 1457.00 ft
Unit: Oneota
System
Ordovician
Series
Group
Prairie Du Chien
Formation
Oneota
Member
Submember
Start Depth
1287.00 ft
End Depth
1457.00 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: 1457.00 ft
End Depth: 1471.00 ft
Unit: Coon Valley
System
Cambrian
Series
Group
Formation
Jordan
Member
Coon Valley
Submember
Start Depth
1457.00 ft
End Depth
1471.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
75
Secondary Lithology
Sandstone
Percent
25
Tertiary Lithology
Percent
0
Comments
Start Depth: 1471.00 ft
End Depth: 1553.00 ft
Unit: Jordan
System
Cambrian
Series
Group
Formation
Jordan
Member
Submember
Start Depth
1471.00 ft
End Depth
1553.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Sandstone
Percent
60
Secondary Lithology
Coal
Percent
40
Tertiary Lithology
Percent
0
Comments
Start Depth: 1553.00 ft
End Depth: 1595.00 ft
Unit: St. Lawrence
System
Cambrian
Series
Group
Formation
St. Lawrence
Member
Submember
Start Depth
1553.00 ft
End Depth
1595.00 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