Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 50.00 ft
Unit: Lithograph City
System
Devonian
Series
Group
Cedar Valley
Formation
Lithograph City
Member
Submember
Start Depth
0.00 ft
End Depth
50.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Bedrock Surface - Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
70
Secondary Lithology
Limestone
Percent
30
Tertiary Lithology
Percent
0
Comments
Start Depth: 50.00 ft
End Depth: 95.00 ft
Unit: Coralville
System
Devonian
Series
Group
Cedar Valley
Formation
Coralville
Member
Submember
Start Depth
50.00 ft
End Depth
95.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
80
Secondary Lithology
Limestone
Percent
20
Tertiary Lithology
Percent
0
Comments
Start Depth: 95.00 ft
End Depth: 190.00 ft
Unit: Little Cedar
System
Devonian
Series
Group
Cedar Valley
Formation
Little Cedar
Member
Submember
Start Depth
95.00 ft
End Depth
190.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
80
Secondary Lithology
Limestone
Percent
15
Tertiary Lithology
Shale
Percent
5
Comments
Start Depth: 190.00 ft
End Depth: 235.00 ft
Unit: Pinicon Ridge
System
Devonian
Series
Group
Wapsipinicon
Formation
Pinicon Ridge
Member
Submember
Start Depth
190.00 ft
End Depth
235.00 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: 235.00 ft
End Depth: 255.00 ft
Unit: Spillville
System
Devonian
Series
Group
Wapsipinicon
Formation
Spillville
Member
Submember
Start Depth
235.00 ft
End Depth
255.00 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: 255.00 ft
End Depth: 275.00 ft
Unit: Maquoketa
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Submember
Start Depth
255.00 ft
End Depth
275.00 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
Chert/Chalcedony
Percent
50
Secondary Lithology
Dolomite
Percent
50
Tertiary Lithology
Percent
0
Comments