Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 64.00 ft
Unit: Pleistocene Series
System
Quaternary
Series
Pleistocene Series
Group
Formation
Member
Submember
Start Depth
0.00 ft
End Depth
64.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Till
Percent
78
Secondary Lithology
Sand And Gravel
Percent
19
Tertiary Lithology
Silt
Percent
3
Comments
Start Depth: 64.00 ft
End Depth: 245.00 ft
Unit: Scotch Grove
System
Silurian
Series
Group
Formation
Scotch Grove
Member
Submember
Start Depth
64.00 ft
End Depth
245.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
99
Secondary Lithology
Chert/Chalcedony
Percent
1
Tertiary Lithology
Percent
0
Comments
Start Depth: 245.00 ft
End Depth: 310.00 ft
Unit: Hopkinton
System
Silurian
Series
Group
Formation
Hopkinton
Member
Submember
Start Depth
245.00 ft
End Depth
310.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
99
Secondary Lithology
Chert/Chalcedony
Percent
1
Tertiary Lithology
Percent
0
Comments
Start Depth: 310.00 ft
End Depth: 360.00 ft
Unit: Blanding
System
Silurian
Series
Group
Formation
Blanding
Member
Submember
Start Depth
310.00 ft
End Depth
360.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
70
Secondary Lithology
Chert/Chalcedony
Percent
30
Tertiary Lithology
Percent
0
Comments
Start Depth: 360.00 ft
End Depth: 365.00 ft
Unit: Maquoketa
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Submember
Start Depth
360.00 ft
End Depth
365.00 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
Dolomite
Percent
99
Secondary Lithology
Shale
Percent
1
Tertiary Lithology
Percent
0
Comments
dol is arg trace arg sh