Stratigraphy

Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 17.00 ft
Unit: Deforest 
System
Quaternary 
Series
Holocene Series 
Group
 
Formation
Deforest 
Member
 
Submember
 
Start Depth
0.00 ft
End Depth
17.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Partial Penetration (Base Not Met), Gap At Top 
Primary Lithology
Soil Or Fill 
Percent
100 
Secondary Lithology
Unknown 
Percent
Tertiary Lithology
Unknown 
Percent
Comments
Start Depth: 17.00 ft
End Depth: 38.00 ft
Unit: Noah Creek 
System
Quaternary 
Series
Pleistocene Series 
Group
Wisconsinan Episode 
Formation
Noah Creek 
Member
 
Submember
 
Start Depth
17.00 ft
End Depth
38.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Sand And Gravel 
Percent
100 
Secondary Lithology
Unknown 
Percent
Tertiary Lithology
Unknown 
Percent
Comments
Start Depth: 38.00 ft
End Depth: 51.00 ft
Unit: Pre-Illinoian 
System
Quaternary 
Series
Pleistocene Series 
Group
Pre-Illinoian 
Formation
 
Member
 
Submember
 
Start Depth
38.00 ft
End Depth
51.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Partial Penetration (Base Not Met), No Gap At Top 
Primary Lithology
Till - Unoxidized And Unleached 
Percent
100 
Secondary Lithology
Unknown 
Percent
Tertiary Lithology
Unknown 
Percent
Comments