Stratigraphy

Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 145.00 ft
Unit: Peoria 
System
Quaternary 
Series
Pleistocene Series 
Group
Wisconsinan Episode 
Formation
Peoria 
Member
 
Submember
 
Start Depth
0.00 ft
End Depth
145.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, Gaps, Top & Base Defined 
Primary Lithology
Loess 
Percent
95 
Secondary Lithology
Sand And Gravel 
Percent
Tertiary Lithology
Soil Or Fill 
Percent
Comments
Start Depth: 145.00 ft
End Depth: 160.00 ft
Unit: Unknown 
System
Unknown 
Series
 
Group
 
Formation
 
Member
 
Submember
 
Start Depth
145.00 ft
End Depth
160.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Partial Penetration (Base Not Met), Gap At Top 
Primary Lithology
Sand And Gravel 
Percent
100 
Secondary Lithology
Silt 
Percent
Tertiary Lithology
Unknown 
Percent
Comments
Start Depth: 160.00 ft
End Depth: 185.00 ft
Unit: Noah Creek 
System
Quaternary 
Series
Pleistocene Series 
Group
Wisconsinan Episode 
Formation
Noah Creek 
Member
 
Submember
 
Start Depth
160.00 ft
End Depth
185.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Clay 
Percent
50 
Secondary Lithology
Silt 
Percent
50 
Tertiary Lithology
Unknown 
Percent
Comments
Start Depth: 185.00 ft
End Depth: 190.00 ft
Unit: Noah Creek 
System
Quaternary 
Series
Pleistocene Series 
Group
Wisconsinan Episode 
Formation
Noah Creek 
Member
 
Submember
 
Start Depth
185.00 ft
End Depth
190.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Silt 
Percent
100 
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 190.00 ft
End Depth: 235.00 ft
Unit: Noah Creek 
System
Quaternary 
Series
Pleistocene Series 
Group
Wisconsinan Episode 
Formation
Noah Creek 
Member
 
Submember
 
Start Depth
190.00 ft
End Depth
235.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Partial Penetration (Base Not Met), No Gap At Top 
Primary Lithology
Sand And Gravel 
Percent
90 
Secondary Lithology
Clay 
Percent
10 
Tertiary Lithology
 
Percent
Comments