Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 25.00 ft
Unit: Peoria
System
Quaternary
Series
Pleistocene Series
Group
Wisconsinan Episode
Formation
Peoria
Member
Submember
Start Depth
0.00 ft
End Depth
25.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Loess
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 25.00 ft
End Depth: 115.00 ft
Unit: Pre-Illinoian
System
Quaternary
Series
Pleistocene Series
Group
Pre-Illinoian
Formation
Member
Submember
Start Depth
25.00 ft
End Depth
115.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 115.00 ft
End Depth: 268.00 ft
Unit: Silurian
System
Silurian
Series
Group
Formation
Member
Submember
Start Depth
115.00 ft
End Depth
268.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Bedrock Surface - Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
0
Secondary Lithology
Chert/Chalcedony
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 268.00 ft
End Depth: 275.00 ft
Unit: Maquoketa
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Submember
Start Depth
268.00 ft
End Depth
275.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Partial Penetration (Base Not Met), No Gap At Top
Primary Lithology
Shale
Percent
0
Secondary Lithology
Dolomite
Percent
0
Tertiary Lithology
Percent
0
Comments