Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 40.00 ft
Unit: Quaternary
System
Quaternary
Series
Group
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
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 40.00 ft
End Depth: 85.00 ft
Unit: Little Cedar
System
Devonian
Series
Group
Cedar Valley
Formation
Little Cedar
Member
Submember
Start Depth
40.00 ft
End Depth
85.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 85.00 ft
End Depth: 170.00 ft
Unit: Wapsipinicon
System
Devonian
Series
Group
Wapsipinicon
Formation
Member
Submember
Start Depth
85.00 ft
End Depth
170.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
60
Secondary Lithology
Limestone
Percent
40
Tertiary Lithology
Percent
0
Comments
Start Depth: 170.00 ft
End Depth: 305.00 ft
Unit: Silurian
System
Silurian
Series
Group
Formation
Member
Submember
Start Depth
170.00 ft
End Depth
305.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 305.00 ft
End Depth: 358.00 ft
Unit: Blanding
System
Silurian
Series
Group
Formation
Blanding
Member
Submember
Start Depth
305.00 ft
End Depth
358.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
90
Secondary Lithology
Chert/Chalcedony
Percent
10
Tertiary Lithology
Percent
0
Comments
Start Depth: 358.00 ft
End Depth: 365.00 ft
Unit: Brainard Shale
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Brainard Shale
Submember
Start Depth
358.00 ft
End Depth
365.00 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
Shale
Percent
50
Secondary Lithology
Dolomite
Percent
50
Tertiary Lithology
Percent
0
Comments