Stratigraphy

Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 2.00 ft
Unit: Quaternary 
System
Quaternary 
Series
 
Group
 
Formation
 
Member
 
Submember
 
Start Depth
0.00 ft
End Depth
2.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Soil Or Fill 
Percent
100 
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 2.00 ft
End Depth: 15.00 ft
Unit: Quaternary 
System
Quaternary 
Series
 
Group
 
Formation
 
Member
 
Submember
 
Start Depth
2.00 ft
End Depth
15.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Loess 
Percent
100 
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 15.00 ft
End Depth: 80.00 ft
Unit: Quaternary 
System
Quaternary 
Series
 
Group
 
Formation
 
Member
 
Submember
 
Start Depth
15.00 ft
End Depth
80.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Till 
Percent
100 
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 80.00 ft
End Depth: 91.00 ft
Unit: Quaternary 
System
Quaternary 
Series
 
Group
 
Formation
 
Member
 
Submember
 
Start Depth
80.00 ft
End Depth
91.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Soil Or Fill 
Percent
Secondary Lithology
Till 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 91.00 ft
End Depth: 130.00 ft
Unit: St. Louis 
System
Mississippian (Subsystem Of Carboniferous System) 
Series
 
Group
 
Formation
St. Louis 
Member
 
Submember
 
Start Depth
91.00 ft
End Depth
130.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Bedrock Surface - Complete Penetration, No Gaps 
Primary Lithology
Limestone 
Percent
Secondary Lithology
Sandstone 
Percent
Tertiary Lithology
Chert/Chalcedony 
Percent
Comments
Start Depth: 130.00 ft
End Depth: 145.00 ft
Unit: Warsaw 
System
Mississippian (Subsystem Of Carboniferous System) 
Series
 
Group
Augusta 
Formation
Warsaw 
Member
 
Submember
 
Start Depth
130.00 ft
End Depth
145.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
Secondary Lithology
Shale 
Percent
Tertiary Lithology
Chert/Chalcedony 
Percent
Comments
Start Depth: 145.00 ft
End Depth: 220.00 ft
Unit: Keokuk 
System
Mississippian (Subsystem Of Carboniferous System) 
Series
 
Group
Augusta 
Formation
Keokuk 
Member
 
Submember
 
Start Depth
145.00 ft
End Depth
220.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
Secondary Lithology
Limestone 
Percent
Tertiary Lithology
Chert/Chalcedony 
Percent
Comments
Start Depth: 220.00 ft
End Depth: 230.00 ft
Unit: Cedar Fork 
System
Mississippian (Subsystem Of Carboniferous System) 
Series
 
Group
Augusta 
Formation
Burlington 
Member
Cedar Fork 
Submember
 
Start Depth
220.00 ft
End Depth
230.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Limestone 
Percent
Secondary Lithology
Chert/Chalcedony 
Percent
Tertiary Lithology
Dolomite 
Percent
Comments
Start Depth: 230.00 ft
End Depth: 275.00 ft
Unit: Haight Creek 
System
Mississippian (Subsystem Of Carboniferous System) 
Series
 
Group
Augusta 
Formation
Burlington 
Member
Haight Creek 
Submember
 
Start Depth
230.00 ft
End Depth
275.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
Secondary Lithology
Chert/Chalcedony 
Percent
Tertiary Lithology
Limestone 
Percent
Comments
Start Depth: 275.00 ft
End Depth: 285.00 ft
Unit: Dolbee Creek 
System
Mississippian (Subsystem Of Carboniferous System) 
Series
 
Group
Augusta 
Formation
Burlington 
Member
Dolbee Creek 
Submember
 
Start Depth
275.00 ft
End Depth
285.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Limestone 
Percent
100 
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 285.00 ft
End Depth: 302.00 ft
Unit: Wassonville 
System
Mississippian (Subsystem Of Carboniferous System) 
Series
 
Group
Sub-Augusta 
Formation
Maynes Creek 
Member
Wassonville 
Submember
 
Start Depth
285.00 ft
End Depth
302.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
100 
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 302.00 ft
End Depth: 345.00 ft
Unit: Prospect Hill 
System
Mississippian (Subsystem Of Carboniferous System) 
Series
 
Group
North Hill 
Formation
Prospect Hill 
Member
 
Submember
 
Start Depth
302.00 ft
End Depth
345.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Shale 
Percent
Secondary Lithology
Siltstone 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 345.00 ft
End Depth: 350.00 ft
Unit: Mccraney 
System
Mississippian (Subsystem Of Carboniferous System) 
Series
 
Group
North Hill 
Formation
Mccraney 
Member
 
Submember
 
Start Depth
345.00 ft
End Depth
350.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Limestone 
Percent
Secondary Lithology
Dolomite 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 350.00 ft
End Depth: 360.00 ft
Unit: English River 
System
Devonian 
Series
 
Group
Yellow Spring (New Albany) 
Formation
Maple Mill 
Member
English River 
Submember
 
Start Depth
350.00 ft
End Depth
360.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Siltstone 
Percent
100 
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 360.00 ft
End Depth: 420.00 ft
Unit: Saverton 
System
Devonian 
Series
 
Group
Yellow Spring (New Albany) 
Formation
Maple Mill 
Member
Saverton 
Submember
 
Start Depth
360.00 ft
End Depth
420.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Shale 
Percent
100 
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 420.00 ft
End Depth: 600.00 ft
Unit: Grassy Creek 
System
Devonian 
Series
 
Group
Yellow Spring (New Albany) 
Formation
Maple Mill 
Member
Grassy Creek 
Submember
 
Start Depth
420.00 ft
End Depth
600.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Shale 
Percent
100 
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 600.00 ft
End Depth: 650.00 ft
Unit: Lime Creek 
System
Devonian 
Series
 
Group
Yellow Spring (New Albany) 
Formation
Lime Creek 
Member
 
Submember
 
Start Depth
600.00 ft
End Depth
650.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Shale 
Percent
Secondary Lithology
Limestone 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 650.00 ft
End Depth: 670.00 ft
Unit: Rapid 
System
Devonian 
Series
 
Group
Cedar Valley 
Formation
Little Cedar 
Member
Rapid 
Submember
 
Start Depth
650.00 ft
End Depth
670.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Limestone 
Percent
Secondary Lithology
Dolomite 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 670.00 ft
End Depth: 740.00 ft
Unit: Solon 
System
Devonian 
Series
 
Group
Cedar Valley 
Formation
Little Cedar 
Member
Solon 
Submember
 
Start Depth
670.00 ft
End Depth
740.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Limestone 
Percent
100 
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 740.00 ft
End Depth: 820.00 ft
Unit: Davenport 
System
Devonian 
Series
 
Group
Wapsipinicon 
Formation
Pinicon Ridge 
Member
Davenport 
Submember
 
Start Depth
740.00 ft
End Depth
820.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Limestone 
Percent
Secondary Lithology
Gypsum/Anhydrite 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 820.00 ft
End Depth: 877.00 ft
Unit: Kenwood 
System
Devonian 
Series
 
Group
Wapsipinicon 
Formation
Pinicon Ridge 
Member
Kenwood 
Submember
 
Start Depth
820.00 ft
End Depth
877.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Gypsum/Anhydrite 
Percent
Secondary Lithology
Shale 
Percent
Tertiary Lithology
Sandstone 
Percent
Comments
Start Depth: 877.00 ft
End Depth: 945.00 ft
Unit: Unknown 
System
Unknown 
Series
 
Group
 
Formation
 
Member
 
Submember
 
Start Depth
877.00 ft
End Depth
945.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
Secondary Lithology
Chert/Chalcedony 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 945.00 ft
End Depth: 1080.00 ft
Unit: Dunleith 
System
Ordovician 
Series
 
Group
Galena 
Formation
Dunleith 
Member
 
Submember
 
Start Depth
945.00 ft
End Depth
1080.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
Secondary Lithology
Chert/Chalcedony 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 1080.00 ft
End Depth: 1160.00 ft
Unit: Decorah/Platteville Undiff. 
System
Ordovician 
Series
 
Group
Galena 
Formation
Decorah/Platteville Undiff. 
Member
 
Submember
 
Start Depth
1080.00 ft
End Depth
1160.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Complete Penetration, No Gaps 
Primary Lithology
Dolomite 
Percent
Secondary Lithology
Sandstone 
Percent
Tertiary Lithology
Shale 
Percent
Comments
Start Depth: 1128.00 ft
End Depth: 1165.00 ft
Unit: Platteville 
System
Ordovician 
Series
 
Group
Galena 
Formation
Platteville 
Member
 
Submember
 
Start Depth
1128.00 ft
End Depth
1165.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Partial Penetration (Base Not Met), No Gap At Top 
Primary Lithology
Sandstone 
Percent
Secondary Lithology
Shale 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 1160.00 ft
End Depth: 1165.00 ft
Unit: Harmony Hill 
System
Ordovician 
Series
 
Group
Ancell 
Formation
Glenwood 
Member
Harmony Hill 
Submember
 
Start Depth
1160.00 ft
End Depth
1165.00 ft
Contact Accuracy
Top & Base Accurate For Sample 
Penetration
Partial Penetration (Base Not Met), No Gap At Top 
Primary Lithology
Shale 
Percent
100 
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments
Start Depth: 1165.00 ft
End Depth: 1165.00 ft
Unit: Unknown 
System
Unknown 
Series
 
Group
 
Formation
 
Member
 
Submember
 
Start Depth
1165.00 ft
End Depth
1165.00 ft
Contact Accuracy
Unknown 
Penetration
Unknown 
Primary Lithology
Unknown 
Percent
Secondary Lithology
 
Percent
Tertiary Lithology
 
Percent
Comments