Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 30.00 ft
Unit: Quaternary
System
Quaternary
Series
Group
Formation
Member
Submember
Start Depth
0.00 ft
End Depth
30.00 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: 30.00 ft
End Depth: 85.00 ft
Unit: St. Louis
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Formation
St. Louis
Member
Submember
Start Depth
30.00 ft
End Depth
85.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
40
Secondary Lithology
Dolomite
Percent
40
Tertiary Lithology
Sandstone
Percent
20
Comments
Start Depth: 85.00 ft
End Depth: 105.00 ft
Unit: Warsaw
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Augusta
Formation
Warsaw
Member
Submember
Start Depth
85.00 ft
End Depth
105.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
50
Secondary Lithology
Dolomite
Percent
45
Tertiary Lithology
Chert/Chalcedony
Percent
5
Comments
Start Depth: 105.00 ft
End Depth: 180.00 ft
Unit: Keokuk
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Augusta
Formation
Keokuk
Member
Submember
Start Depth
105.00 ft
End Depth
180.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
65
Secondary Lithology
Shale
Percent
20
Tertiary Lithology
Chert/Chalcedony
Percent
15
Comments
Start Depth: 180.00 ft
End Depth: 250.00 ft
Unit: Burlington
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Augusta
Formation
Burlington
Member
Submember
Start Depth
180.00 ft
End Depth
250.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
43
Secondary Lithology
Dolomite
Percent
32
Tertiary Lithology
Chert/Chalcedony
Percent
25
Comments
Start Depth: 250.00 ft
End Depth: 273.00 ft
Unit: Wassonville
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
Sub-Augusta
Formation
Maynes Creek
Member
Wassonville
Submember
Start Depth
250.00 ft
End Depth
273.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
50
Secondary Lithology
Limestone
Percent
40
Tertiary Lithology
Shale
Percent
10
Comments
top; base picked by B. J. Bunker
Start Depth: 273.00 ft
End Depth: 300.00 ft
Unit: Prospect Hill
System
Mississippian (Subsystem Of Carboniferous System)
Series
Group
North Hill
Formation
Prospect Hill
Member
Submember
Start Depth
273.00 ft
End Depth
300.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Siltstone
Percent
85
Secondary Lithology
Shale
Percent
10
Tertiary Lithology
Limestone
Percent
5
Comments
limestone likely cave in from Starrs Cave Member; McCraney Fm missing
Start Depth: 300.00 ft
End Depth: 325.00 ft
Unit: English River
System
Devonian
Series
Group
Yellow Spring (New Albany)
Formation
Maple Mill
Member
English River
Submember
Start Depth
300.00 ft
End Depth
325.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Siltstone
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 325.00 ft
End Depth: 375.00 ft
Unit: Saverton
System
Devonian
Series
Group
Yellow Spring (New Albany)
Formation
Maple Mill
Member
Saverton
Submember
Start Depth
325.00 ft
End Depth
375.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 375.00 ft
End Depth: 540.00 ft
Unit: Grassy Creek
System
Devonian
Series
Group
Yellow Spring (New Albany)
Formation
Maple Mill
Member
Grassy Creek
Submember
Start Depth
375.00 ft
End Depth
540.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 540.00 ft
End Depth: 582.00 ft
Unit: Lime Creek
System
Devonian
Series
Group
Yellow Spring (New Albany)
Formation
Lime Creek
Member
Submember
Start Depth
540.00 ft
End Depth
582.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 582.00 ft
End Depth: 640.00 ft
Unit: Rapid
System
Devonian
Series
Group
Cedar Valley
Formation
Little Cedar
Member
Rapid
Submember
Start Depth
582.00 ft
End Depth
640.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 640.00 ft
End Depth: 715.00 ft
Unit: Solon
System
Devonian
Series
Group
Cedar Valley
Formation
Little Cedar
Member
Solon
Submember
Start Depth
640.00 ft
End Depth
715.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 715.00 ft
End Depth: 780.00 ft
Unit: Davenport
System
Devonian
Series
Group
Wapsipinicon
Formation
Pinicon Ridge
Member
Davenport
Submember
Start Depth
715.00 ft
End Depth
780.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
50
Secondary Lithology
Gypsum/Anhydrite
Percent
45
Tertiary Lithology
Shale
Percent
5
Comments
Start Depth: 780.00 ft
End Depth: 800.00 ft
Unit: Spring Grove
System
Devonian
Series
Group
Wapsipinicon
Formation
Pinicon Ridge
Member
Spring Grove
Submember
Start Depth
780.00 ft
End Depth
800.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
50
Secondary Lithology
Gypsum/Anhydrite
Percent
30
Tertiary Lithology
Shale
Percent
20
Comments
Start Depth: 800.00 ft
End Depth: 850.00 ft
Unit: Kenwood
System
Devonian
Series
Group
Wapsipinicon
Formation
Pinicon Ridge
Member
Kenwood
Submember
Start Depth
800.00 ft
End Depth
850.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Shale
Percent
50
Secondary Lithology
Ls/Dol Mixed
Percent
40
Tertiary Lithology
Gypsum/Anhydrite
Percent
10
Comments
Start Depth: 850.00 ft
End Depth: 935.00 ft
Unit: Wise Lake
System
Ordovician
Series
Group
Galena
Formation
Wise Lake
Member
Submember
Start Depth
850.00 ft
End Depth
935.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
98
Secondary Lithology
Shale
Percent
2
Tertiary Lithology
Percent
0
Comments
Start Depth: 935.00 ft
End Depth: 1055.00 ft
Unit: Dunleith
System
Ordovician
Series
Group
Galena
Formation
Dunleith
Member
Submember
Start Depth
935.00 ft
End Depth
1055.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
91
Secondary Lithology
Chert/Chalcedony
Percent
6
Tertiary Lithology
Shale
Percent
3
Comments
Start Depth: 1055.00 ft
End Depth: 1150.00 ft
Unit: Decorah/Platteville/Glenwood Undiff.
System
Ordovician
Series
Group
Galena
Formation
Decorah/Platteville/Glenwood Undiff.
Member
Submember
Start Depth
1055.00 ft
End Depth
1150.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
55
Secondary Lithology
Shale
Percent
40
Tertiary Lithology
Sandstone
Percent
5
Comments
Start Depth: 1150.00 ft
End Depth: 1180.00 ft
Unit: St. Peter Sandstone
System
Ordovician
Series
Group
Ancell
Formation
St. Peter Sandstone
Member
Submember
Start Depth
1150.00 ft
End Depth
1180.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Sandstone
Percent
50
Secondary Lithology
Shale
Percent
50
Tertiary Lithology
Percent
0
Comments
shale may be cave in or St.Peter might actually be thinner than 30 ft
Start Depth: 1180.00 ft
End Depth: 1535.00 ft
Unit: Shakopee
System
Ordovician
Series
Group
Prairie Du Chien
Formation
Shakopee
Member
Submember
Start Depth
1180.00 ft
End Depth
1535.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
80
Secondary Lithology
Chert/Chalcedony
Percent
15
Tertiary Lithology
Sandstone
Percent
5
Comments
Start Depth: 1535.00 ft
End Depth: 1765.00 ft
Unit: Oneota
System
Ordovician
Series
Group
Prairie Du Chien
Formation
Oneota
Member
Submember
Start Depth
1535.00 ft
End Depth
1765.00 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: 1765.00 ft
End Depth: 1845.00 ft
Unit: Jordan
System
Cambrian
Series
Group
Formation
Jordan
Member
Submember
Start Depth
1765.00 ft
End Depth
1845.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Sandstone
Percent
50
Secondary Lithology
Dolomite
Percent
47
Tertiary Lithology
Chert/Chalcedony
Percent
3
Comments
Start Depth: 1845.00 ft
End Depth: 1970.00 ft
Unit: St. Lawrence
System
Cambrian
Series
Group
Formation
St. Lawrence
Member
Submember
Start Depth
1845.00 ft
End Depth
1970.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Partial Penetration (Base Not Met), No Gap At Top
Primary Lithology
Dolomite
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments