Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 103.00 ft
Unit: Pleistocene Series
System
Quaternary
Series
Pleistocene Series
Group
Formation
Member
Submember
Start Depth
0.00 ft
End Depth
103.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till
Percent
80
Secondary Lithology
Loess
Percent
20
Tertiary Lithology
Percent
0
Comments
Start Depth: 103.00 ft
End Depth: 217.00 ft
Unit: Cedar Valley
System
Devonian
Series
Group
Cedar Valley
Formation
Member
Submember
Start Depth
103.00 ft
End Depth
217.00 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: 217.00 ft
End Depth: 303.00 ft
Unit: Wapsipinicon
System
Devonian
Series
Group
Wapsipinicon
Formation
Member
Submember
Start Depth
217.00 ft
End Depth
303.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
55
Secondary Lithology
Limestone
Percent
25
Tertiary Lithology
Shale
Percent
20
Comments
Start Depth: 303.00 ft
End Depth: 470.00 ft
Unit: Silurian
System
Silurian
Series
Group
Formation
Member
Submember
Start Depth
303.00 ft
End Depth
470.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
99
Secondary Lithology
Chert/Chalcedony
Percent
1
Tertiary Lithology
Unknown
Percent
0
Comments
Start Depth: 470.00 ft
End Depth: 480.00 ft
Unit: Brainard Shale
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Brainard Shale
Submember
Start Depth
470.00 ft
End Depth
480.00 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
Dolomite
Percent
70
Secondary Lithology
Shale
Percent
30
Tertiary Lithology
Percent
0
Comments