Stratigraphy

 

Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 2.00 ft
Unit: Quaternary 
System
Quaternary 
Series
 
Group
 
Formation
 
Member
 
Submember
 
Start Depth
0.00 ft
End Depth
2.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Soil Or Fill 
Percent
100 
Secondary Lithology
 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments
Start Depth: 2.00 ft
End Depth: 33.00 ft
Unit: Pleistocene Series 
System
Quaternary 
Series
Pleistocene Series 
Group
 
Formation
 
Member
 
Submember
 
Start Depth
2.00 ft
End Depth
33.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Till 
Percent
0 
Secondary Lithology
Sand 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments
Start Depth: 33.00 ft
End Depth: 75.00 ft
Unit: Solon 
System
Devonian 
Series
 
Group
Cedar Valley 
Formation
Little Cedar 
Member
Solon 
Submember
 
Start Depth
33.00 ft
End Depth
75.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Bedrock Surface - Complete Penetration, No Gaps 
Primary Lithology
Limestone 
Percent
100 
Secondary Lithology
 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments
Start Depth: 75.00 ft
End Depth: 110.00 ft
Unit: Davenport 
System
Devonian 
Series
 
Group
Wapsipinicon 
Formation
Pinicon Ridge 
Member
Davenport 
Submember
 
Start Depth
75.00 ft
End Depth
110.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Limestone 
Percent
100 
Secondary Lithology
 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments
Start Depth: 110.00 ft
End Depth: 123.00 ft
Unit: Spring Grove 
System
Devonian 
Series
 
Group
Wapsipinicon 
Formation
Pinicon Ridge 
Member
Spring Grove 
Submember
 
Start Depth
110.00 ft
End Depth
123.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
100 
Secondary Lithology
 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments
Start Depth: 123.00 ft
End Depth: 155.00 ft
Unit: Kenwood 
System
Devonian 
Series
 
Group
Wapsipinicon 
Formation
Pinicon Ridge 
Member
Kenwood 
Submember
 
Start Depth
123.00 ft
End Depth
155.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
0 
Secondary Lithology
Shale 
Percent
0 
Tertiary Lithology
Chert/Chalcedony 
Percent
0 
Comments
Start Depth: 155.00 ft
End Depth: 165.00 ft
Unit: Otis 
System
Devonian 
Series
 
Group
Wapsipinicon 
Formation
Otis 
Member
 
Submember
 
Start Depth
155.00 ft
End Depth
165.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
100 
Secondary Lithology
 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments
Start Depth: 165.00 ft
End Depth: 195.00 ft
Unit: Otis 
System
Devonian 
Series
 
Group
Wapsipinicon 
Formation
Otis 
Member
 
Submember
 
Start Depth
165.00 ft
End Depth
195.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
100 
Secondary Lithology
 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments
Start Depth: 195.00 ft
End Depth: 260.00 ft
Unit: Laporte City 
System
Silurian 
Series
 
Group
 
Formation
Laporte City 
Member
 
Submember
 
Start Depth
195.00 ft
End Depth
260.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Chert/Chalcedony 
Percent
0 
Secondary Lithology
Limestone 
Percent
0 
Tertiary Lithology
Shale 
Percent
0 
Comments
Start Depth: 260.00 ft
End Depth: 375.00 ft
Unit: Silurian 
System
Silurian 
Series
 
Group
 
Formation
 
Member
 
Submember
 
Start Depth
260.00 ft
End Depth
375.00 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: 375.00 ft
End Depth: 425.00 ft
Unit: Blanding 
System
Silurian 
Series
 
Group
 
Formation
Blanding 
Member
 
Submember
 
Start Depth
375.00 ft
End Depth
425.00 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: 425.00 ft
End Depth: 441.00 ft
Unit: Tete Des Morts/Mosalem Undiff. 
System
Silurian 
Series
 
Group
 
Formation
Tete Des Morts/Mosalem Undiff. 
Member
 
Submember
 
Start Depth
425.00 ft
End Depth
441.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
100 
Secondary Lithology
 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments
Start Depth: 441.00 ft
End Depth: 475.00 ft
Unit: Brainard Shale 
System
Ordovician 
Series
 
Group
 
Formation
Maquoketa 
Member
Brainard Shale 
Submember
 
Start Depth
441.00 ft
End Depth
475.00 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: 475.00 ft
End Depth: 547.00 ft
Unit: Ft. Atkinson Limestone 
System
Ordovician 
Series
 
Group
 
Formation
Maquoketa 
Member
Ft. Atkinson Limestone 
Submember
 
Start Depth
475.00 ft
End Depth
547.00 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
Shale 
Percent
0 
Comments
Start Depth: 547.00 ft
End Depth: 580.00 ft
Unit: Clermont Shale 
System
Ordovician 
Series
 
Group
 
Formation
Maquoketa 
Member
Clermont Shale 
Submember
 
Start Depth
547.00 ft
End Depth
580.00 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: 580.00 ft
End Depth: 670.00 ft
Unit: Elgin Limestone 
System
Ordovician 
Series
 
Group
 
Formation
Maquoketa 
Member
Elgin Limestone 
Submember
 
Start Depth
580.00 ft
End Depth
670.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
0 
Secondary Lithology
Shale 
Percent
0 
Tertiary Lithology
Chert/Chalcedony 
Percent
0 
Comments
Start Depth: 670.00 ft
End Depth: 760.00 ft
Unit: Unknown 
System
Unknown 
Series
 
Group
 
Formation
 
Member
 
Submember
 
Start Depth
670.00 ft
End Depth
760.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
0 
Secondary Lithology
Limestone 
Percent
0 
Tertiary Lithology
Chert/Chalcedony 
Percent
0 
Comments
Start Depth: 760.00 ft
End Depth: 870.00 ft
Unit: Dunleith 
System
Ordovician 
Series
 
Group
Galena 
Formation
Dunleith 
Member
 
Submember
 
Start Depth
760.00 ft
End Depth
870.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
0 
Secondary Lithology
Limestone 
Percent
0 
Tertiary Lithology
Chert/Chalcedony 
Percent
0 
Comments
Start Depth: 870.00 ft
End Depth: 890.00 ft
Unit: Ion 
System
Ordovician 
Series
 
Group
Galena 
Formation
Decorah 
Member
Ion 
Submember
 
Start Depth
870.00 ft
End Depth
890.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Limestone 
Percent
100 
Secondary Lithology
 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments
Start Depth: 890.00 ft
End Depth: 910.00 ft
Unit: Guttenberg 
System
Ordovician 
Series
 
Group
Galena 
Formation
Decorah 
Member
Guttenberg 
Submember
 
Start Depth
890.00 ft
End Depth
910.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Limestone 
Percent
100 
Secondary Lithology
 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments
Start Depth: 910.00 ft
End Depth: 915.00 ft
Unit: Spechts Ferry 
System
Ordovician 
Series
 
Group
Galena 
Formation
Decorah 
Member
Spechts Ferry 
Submember
 
Start Depth
910.00 ft
End Depth
915.00 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: 915.00 ft
End Depth: 962.00 ft
Unit: Mcgregor 
System
Ordovician 
Series
 
Group
Galena 
Formation
Platteville 
Member
Mcgregor 
Submember
 
Start Depth
915.00 ft
End Depth
962.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Limestone 
Percent
0 
Secondary Lithology
Dolomite 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments
Start Depth: 962.00 ft
End Depth: 980.00 ft
Unit: Pecatonica 
System
Ordovician 
Series
 
Group
Galena 
Formation
Platteville 
Member
Pecatonica 
Submember
 
Start Depth
962.00 ft
End Depth
980.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
100 
Secondary Lithology
 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments
Start Depth: 980.00 ft
End Depth: 985.00 ft
Unit: Harmony Hill 
System
Ordovician 
Series
 
Group
Ancell 
Formation
Glenwood 
Member
Harmony Hill 
Submember
 
Start Depth
980.00 ft
End Depth
985.00 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: 985.00 ft
End Depth: 1017.00 ft
Unit: St. Peter Sandstone 
System
Ordovician 
Series
 
Group
Ancell 
Formation
St. Peter Sandstone 
Member
 
Submember
 
Start Depth
985.00 ft
End Depth
1017.00 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: 1017.00 ft
End Depth: 1165.00 ft
Unit: Willow River 
System
Ordovician 
Series
 
Group
Prairie Du Chien 
Formation
Shakopee 
Member
Willow River 
Submember
 
Start Depth
1017.00 ft
End Depth
1165.00 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
Chert/Chalcedony 
Percent
0 
Comments
Start Depth: 1165.00 ft
End Depth: 1208.00 ft
Unit: New Richmond 
System
Ordovician 
Series
 
Group
Prairie Du Chien 
Formation
Shakopee 
Member
New Richmond 
Submember
 
Start Depth
1165.00 ft
End Depth
1208.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break) 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Sandstone 
Percent
0 
Secondary Lithology
Dolomite 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments
Start Depth: 1208.00 ft
End Depth: 1427.00 ft
Unit: Oneota 
System
Ordovician 
Series
 
Group
Prairie Du Chien 
Formation
Oneota 
Member
 
Submember
 
Start Depth
1208.00 ft
End Depth
1427.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact) 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
0 
Secondary Lithology
Chert/Chalcedony 
Percent
0 
Tertiary Lithology
Sandstone 
Percent
0 
Comments
Start Depth: 1427.00 ft
End Depth: 1512.00 ft
Unit: Jordan 
System
Cambrian 
Series
 
Group
 
Formation
Jordan 
Member
 
Submember
 
Start Depth
1427.00 ft
End Depth
1512.00 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: 1512.00 ft
End Depth: 1525.00 ft
Unit: St. Lawrence 
System
Cambrian 
Series
 
Group
 
Formation
St. Lawrence 
Member
 
Submember
 
Start Depth
1512.00 ft
End Depth
1525.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Partial Penetration (Base Not Met), No Gap At Top 
Primary Lithology
Dolomite 
Percent
0 
Secondary Lithology
Sandstone 
Percent
0 
Tertiary Lithology
 
Percent
0 
Comments