Stratigraphy

Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 40.00 ft
Unit: Wisconsinan Episode 
System
Quaternary 
Series
Pleistocene Series 
Group
Wisconsinan Episode 
Formation
 
Member
 
Submember
 
Start Depth
0.00 ft
End Depth
40.00 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: 40.00 ft
End Depth: 135.00 ft
Unit: Galena 
System
Ordovician 
Series
 
Group
Galena 
Formation
 
Member
 
Submember
 
Start Depth
40.00 ft
End Depth
135.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Bedrock Surface - Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
0 
Secondary Lithology
Chert/Chalcedony 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments
Start Depth: 135.00 ft
End Depth: 255.00 ft
Unit: Dunleith 
System
Ordovician 
Series
 
Group
Galena 
Formation
Dunleith 
Member
 
Submember
 
Start Depth
135.00 ft
End Depth
255.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
0 
Secondary Lithology
Chert/Chalcedony 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments
Start Depth: 255.00 ft
End Depth: 285.00 ft
Unit: Decorah 
System
Ordovician 
Series
 
Group
Galena 
Formation
Decorah 
Member
 
Submember
 
Start Depth
255.00 ft
End Depth
285.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Ls/Dol Mixed 
Percent
0 
Secondary Lithology
Shale 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments
Start Depth: 285.00 ft
End Depth: 351.00 ft
Unit: Platteville 
System
Ordovician 
Series
 
Group
Galena 
Formation
Platteville 
Member
 
Submember
 
Start Depth
285.00 ft
End Depth
351.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Ls/Dol Mixed 
Percent
100 
Secondary Lithology
 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments
Start Depth: 351.00 ft
End Depth: 355.00 ft
Unit: Glenwood 
System
Ordovician 
Series
 
Group
Ancell 
Formation
Glenwood 
Member
 
Submember
 
Start Depth
351.00 ft
End Depth
355.00 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: 355.00 ft
End Depth: 450.00 ft
Unit: St. Peter Sandstone 
System
Ordovician 
Series
 
Group
Ancell 
Formation
St. Peter Sandstone 
Member
 
Submember
 
Start Depth
355.00 ft
End Depth
450.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Sandstone 
Percent
100 
Secondary Lithology
 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments
Start Depth: 450.00 ft
End Depth: 696.00 ft
Unit: Prairie Du Chien 
System
Ordovician 
Series
 
Group
Prairie Du Chien 
Formation
 
Member
 
Submember
 
Start Depth
450.00 ft
End Depth
696.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
0 
Secondary Lithology
Chert/Chalcedony 
Percent
0 
Tertiary Lithology
Sandstone 
Percent
0 
Comments
Start Depth: 696.00 ft
End Depth: 785.00 ft
Unit: Jordan 
System
Cambrian 
Series
 
Group
 
Formation
Jordan 
Member
 
Submember
 
Start Depth
696.00 ft
End Depth
785.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Sandstone 
Percent
0 
Secondary Lithology
Dolomite 
Percent
0 
Tertiary Lithology
Chert/Chalcedony 
Percent
0 
Comments
Start Depth: 785.00 ft
End Depth: 887.00 ft
Unit: St. Lawrence 
System
Cambrian 
Series
 
Group
 
Formation
St. Lawrence 
Member
 
Submember
 
Start Depth
785.00 ft
End Depth
887.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
0 
Secondary Lithology
Sandstone 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments
Start Depth: 887.00 ft
End Depth: 970.00 ft
Unit: Lone Rock 
System
Cambrian 
Series
 
Group
Tunnel City 
Formation
Lone Rock 
Member
 
Submember
 
Start Depth
887.00 ft
End Depth
970.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Sandstone 
Percent
0 
Secondary Lithology
Dolomite 
Percent
0 
Tertiary Lithology
Shale 
Percent
0 
Comments
Start Depth: 970.00 ft
End Depth: 1100.00 ft
Unit: Wonewoc 
System
Cambrian 
Series
 
Group
Tunnel City 
Formation
Wonewoc 
Member
 
Submember
 
Start Depth
970.00 ft
End Depth
1100.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Sandstone 
Percent
0 
Secondary Lithology
Dolomite 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments
Start Depth: 1100.00 ft
End Depth: 1260.00 ft
Unit: Eau Claire 
System
Cambrian 
Series
 
Group
Tunnel City 
Formation
Eau Claire 
Member
 
Submember
 
Start Depth
1100.00 ft
End Depth
1260.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Sandstone 
Percent
0 
Secondary Lithology
Shale 
Percent
0 
Tertiary Lithology
Dolomite 
Percent
0 
Comments
Start Depth: 1260.00 ft
End Depth: 1500.00 ft
Unit: Mt. Simon 
System
Cambrian 
Series
 
Group
Tunnel City 
Formation
Mt. Simon 
Member
 
Submember
 
Start Depth
1260.00 ft
End Depth
1500.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Partial Penetration (Base Not Met), No Gap At Top 
Primary Lithology
Sandstone 
Percent
0 
Secondary Lithology
Dolomite 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments