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 And Gravel
Percent
50
Secondary Lithology
Soil Or Fill
Percent
40
Tertiary Lithology
Clay
Percent
10
Comments
Start Depth: 40.00 ft
End Depth: 330.00 ft
Unit: Cedar Valley
System
Devonian
Series
Group
Cedar Valley
Formation
Member
Submember
Start Depth
40.00 ft
End Depth
330.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Poor Samples, Gap At Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
99
Secondary Lithology
Chert/Chalcedony
Percent
1
Tertiary Lithology
Percent
0
Comments
Start Depth: 330.00 ft
End Depth: 350.00 ft
Unit: Maquoketa
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Submember
Start Depth
330.00 ft
End Depth
350.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Partial Penetration (Base Not Met), No Gap At Top
Primary Lithology
Dolomite
Percent
60
Secondary Lithology
Chert/Chalcedony
Percent
40
Tertiary Lithology
Percent
0
Comments