Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 30.00 ft
Unit: Quaternary
System
Quaternary
Series
Group
Formation
Member
Submember
Start Depth
0.00 ft
End Depth
30.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Complete Penetration, Gap At Base
Primary Lithology
Till - Oxidized And Leached
Percent
50
Secondary Lithology
Gravel
Percent
30
Tertiary Lithology
Loess
Percent
20
Comments
Start Depth: 30.00 ft
End Depth: 75.00 ft
Unit: Hopkinton
System
Silurian
Series
Group
Formation
Hopkinton
Member
Submember
Start Depth
30.00 ft
End Depth
75.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Bedrock Surface - Complete Penetration, Gap At Top
Primary Lithology
Dolomite
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 75.00 ft
End Depth: 130.00 ft
Unit: Blanding
System
Silurian
Series
Group
Formation
Blanding
Member
Submember
Start Depth
75.00 ft
End Depth
130.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
60
Secondary Lithology
Chert/Chalcedony
Percent
40
Tertiary Lithology
Percent
0
Comments
Start Depth: 130.00 ft
End Depth: 156.00 ft
Unit: Tete Des Morts
System
Silurian
Series
Group
Formation
Tete Des Morts
Member
Submember
Start Depth
130.00 ft
End Depth
156.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
95
Secondary Lithology
Chert/Chalcedony
Percent
5
Tertiary Lithology
Percent
0
Comments
Start Depth: 156.00 ft
End Depth: 206.00 ft
Unit: Mosalem
System
Silurian
Series
Group
Formation
Mosalem
Member
Submember
Start Depth
156.00 ft
End Depth
206.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
85
Secondary Lithology
Shale
Percent
10
Tertiary Lithology
Chert/Chalcedony
Percent
5
Comments
Start Depth: 206.00 ft
End Depth: 275.00 ft
Unit: Brainard Shale
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Brainard Shale
Submember
Start Depth
206.00 ft
End Depth
275.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
85
Secondary Lithology
Dolomite
Percent
15
Tertiary Lithology
Percent
0
Comments
Start Depth: 275.00 ft
End Depth: 300.00 ft
Unit: Ft. Atkinson Limestone
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Ft. Atkinson Limestone
Submember
Start Depth
275.00 ft
End Depth
300.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
85
Secondary Lithology
Dolomite
Percent
15
Tertiary Lithology
Percent
0
Comments
Start Depth: 300.00 ft
End Depth: 325.00 ft
Unit: Clermont Shale
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Clermont Shale
Submember
Start Depth
300.00 ft
End Depth
325.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
95
Secondary Lithology
Dolomite
Percent
5
Tertiary Lithology
Percent
0
Comments
Start Depth: 325.00 ft
End Depth: 375.00 ft
Unit: Elgin Limestone
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Elgin Limestone
Submember
Start Depth
325.00 ft
End Depth
375.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
60
Secondary Lithology
Shale
Percent
40
Tertiary Lithology
Percent
0
Comments
Start Depth: 375.00 ft
End Depth: 410.00 ft
Unit: Dubuque
System
Ordovician
Series
Group
Galena
Formation
Dubuque
Member
Submember
Start Depth
375.00 ft
End Depth
410.00 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: 410.00 ft
End Depth: 485.00 ft
Unit: Wise Lake
System
Ordovician
Series
Group
Galena
Formation
Wise Lake
Member
Submember
Start Depth
410.00 ft
End Depth
485.00 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: 485.00 ft
End Depth: 595.00 ft
Unit: Dunleith
System
Ordovician
Series
Group
Galena
Formation
Dunleith
Member
Submember
Start Depth
485.00 ft
End Depth
595.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Dolomite
Percent
90
Secondary Lithology
Chert/Chalcedony
Percent
5
Tertiary Lithology
Limestone
Percent
5
Comments
Start Depth: 595.00 ft
End Depth: 610.00 ft
Unit: Ion
System
Ordovician
Series
Group
Galena
Formation
Decorah
Member
Ion
Submember
Start Depth
595.00 ft
End Depth
610.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
98
Secondary Lithology
Shale
Percent
2
Tertiary Lithology
Percent
0
Comments
Start Depth: 610.00 ft
End Depth: 628.00 ft
Unit: Guttenberg
System
Ordovician
Series
Group
Galena
Formation
Decorah
Member
Guttenberg
Submember
Start Depth
610.00 ft
End Depth
628.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
98
Secondary Lithology
Shale
Percent
2
Tertiary Lithology
Percent
0
Comments
Start Depth: 628.00 ft
End Depth: 635.00 ft
Unit: Spechts Ferry
System
Ordovician
Series
Group
Galena
Formation
Decorah
Member
Spechts Ferry
Submember
Start Depth
628.00 ft
End Depth
635.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Partial Penetration (Base Not Met), No Gap At Top
Primary Lithology
Shale
Percent
60
Secondary Lithology
Limestone
Percent
40
Tertiary Lithology
Percent
0
Comments