Stratigraphy
Start Depth
End Depth
Stratigraphic Unit
Start Depth: 0.00 ft
End Depth: 100.00 ft
Unit: Unknown
System
Unknown
Series
Group
Formation
Member
Submember
Start Depth
0.00 ft
End Depth
100.00 ft
Contact Accuracy
Unknown
Penetration
Complete Gap
Primary Lithology
Percent
0
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 100.00 ft
End Depth: 145.00 ft
Unit: Cerro Gordo
System
Devonian
Series
Group
Yellow Spring (New Albany)
Formation
Lime Creek
Member
Cerro Gordo
Submember
Start Depth
100.00 ft
End Depth
145.00 ft
Contact Accuracy
Top And Base Inaccurate - (Poor Samples, Contact Gap, Indistinct Lithologic Break)
Penetration
Complete Penetration, Gap At Top
Primary Lithology
Dolomite
Percent
0
Secondary Lithology
Limestone
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 145.00 ft
End Depth: 281.00 ft
Unit: Juniper Hill
System
Devonian
Series
Group
Yellow Spring (New Albany)
Formation
Lime Creek
Member
Juniper Hill
Submember
Start Depth
145.00 ft
End Depth
281.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
0
Secondary Lithology
Shale
Percent
0
Tertiary Lithology
Limestone
Percent
0
Comments
Start Depth: 281.00 ft
End Depth: 326.00 ft
Unit: Coralville
System
Devonian
Series
Group
Cedar Valley
Formation
Coralville
Member
Submember
Start Depth
281.00 ft
End Depth
326.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Limestone
Percent
0
Secondary Lithology
Dolomite
Percent
0
Tertiary Lithology
Shale
Percent
0
Comments
Start Depth: 326.00 ft
End Depth: 485.00 ft
Unit: Rapid
System
Devonian
Series
Group
Cedar Valley
Formation
Little Cedar
Member
Rapid
Submember
Start Depth
326.00 ft
End Depth
485.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
0
Secondary Lithology
Limestone
Percent
0
Tertiary Lithology
Gypsum/Anhydrite
Percent
0
Comments
Start Depth: 485.00 ft
End Depth: 553.00 ft
Unit: Solon
System
Devonian
Series
Group
Cedar Valley
Formation
Little Cedar
Member
Solon
Submember
Start Depth
485.00 ft
End Depth
553.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 553.00 ft
End Depth: 650.00 ft
Unit: Wapsipinicon
System
Devonian
Series
Group
Wapsipinicon
Formation
Member
Submember
Start Depth
553.00 ft
End Depth
650.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Gypsum/Anhydrite
Percent
0
Secondary Lithology
Dolomite
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 650.00 ft
End Depth: 755.00 ft
Unit: Laporte City
System
Silurian
Series
Group
Formation
Laporte City
Member
Submember
Start Depth
650.00 ft
End Depth
755.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Chert/Chalcedony
Percent
0
Secondary Lithology
Limestone
Percent
0
Tertiary Lithology
Dolomite
Percent
0
Comments
Start Depth: 755.00 ft
End Depth: 791.00 ft
Unit: Silurian
System
Silurian
Series
Group
Formation
Member
Submember
Start Depth
755.00 ft
End Depth
791.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
0
Secondary Lithology
Chert/Chalcedony
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 791.00 ft
End Depth: 965.00 ft
Unit: Maquoketa
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Submember
Start Depth
791.00 ft
End Depth
965.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Shale
Percent
0
Secondary Lithology
Dolomite
Percent
0
Tertiary Lithology
Chert/Chalcedony
Percent
0
Comments
Start Depth: 965.00 ft
End Depth: 1046.00 ft
Unit: Elgin Limestone
System
Ordovician
Series
Group
Formation
Maquoketa
Member
Elgin Limestone
Submember
Start Depth
965.00 ft
End Depth
1046.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Dolomite
Percent
0
Secondary Lithology
Chert/Chalcedony
Percent
0
Tertiary Lithology
Shale
Percent
0
Comments
Start Depth: 1046.00 ft
End Depth: 1136.00 ft
Unit: Unknown
System
Unknown
Series
Group
Formation
Member
Submember
Start Depth
1046.00 ft
End Depth
1136.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
0
Secondary Lithology
Limestone
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 1136.00 ft
End Depth: 1247.00 ft
Unit: Dunleith
System
Ordovician
Series
Group
Galena
Formation
Dunleith
Member
Submember
Start Depth
1136.00 ft
End Depth
1247.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 1247.00 ft
End Depth: 1256.00 ft
Unit: Ion
System
Ordovician
Series
Group
Galena
Formation
Decorah
Member
Ion
Submember
Start Depth
1247.00 ft
End Depth
1256.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 1256.00 ft
End Depth: 1261.00 ft
Unit: Guttenberg
System
Ordovician
Series
Group
Galena
Formation
Decorah
Member
Guttenberg
Submember
Start Depth
1256.00 ft
End Depth
1261.00 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: 1261.00 ft
End Depth: 1265.00 ft
Unit: Spechts Ferry
System
Ordovician
Series
Group
Galena
Formation
Decorah
Member
Spechts Ferry
Submember
Start Depth
1261.00 ft
End Depth
1265.00 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: 1265.00 ft
End Depth: 1305.00 ft
Unit: Mcgregor
System
Ordovician
Series
Group
Galena
Formation
Platteville
Member
Mcgregor
Submember
Start Depth
1265.00 ft
End Depth
1305.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 1305.00 ft
End Depth: 1316.00 ft
Unit: Pecatonica
System
Ordovician
Series
Group
Galena
Formation
Platteville
Member
Pecatonica
Submember
Start Depth
1305.00 ft
End Depth
1316.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 1316.00 ft
End Depth: 1320.00 ft
Unit: Harmony Hill
System
Ordovician
Series
Group
Ancell
Formation
Glenwood
Member
Harmony Hill
Submember
Start Depth
1316.00 ft
End Depth
1320.00 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: 1320.00 ft
End Depth: 1348.00 ft
Unit: St. Peter Sandstone
System
Ordovician
Series
Group
Ancell
Formation
St. Peter Sandstone
Member
Submember
Start Depth
1320.00 ft
End Depth
1348.00 ft
Contact Accuracy
Top & Base Accurate For Sample
Penetration
Complete Penetration, No Gaps
Primary Lithology
Sandstone
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 1348.00 ft
End Depth: 1570.00 ft
Unit: Willow River
System
Ordovician
Series
Group
Prairie Du Chien
Formation
Shakopee
Member
Willow River
Submember
Start Depth
1348.00 ft
End Depth
1570.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, Gaps, Top & Base Defined
Primary Lithology
Dolomite
Percent
0
Secondary Lithology
Sandstone
Percent
0
Tertiary Lithology
Chert/Chalcedony
Percent
0
Comments
Start Depth: 1570.00 ft
End Depth: 1615.00 ft
Unit: New Richmond
System
Ordovician
Series
Group
Prairie Du Chien
Formation
Shakopee
Member
New Richmond
Submember
Start Depth
1570.00 ft
End Depth
1615.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Percent
0
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 1615.00 ft
End Depth: 1820.00 ft
Unit: Oneota
System
Ordovician
Series
Group
Prairie Du Chien
Formation
Oneota
Member
Submember
Start Depth
1615.00 ft
End Depth
1820.00 ft
Contact Accuracy
Top Accurate, Base Less Accurate - (Indistinct Lithologic Break)
Penetration
Complete Penetration, No Gaps
Primary Lithology
Dolomite
Percent
100
Secondary Lithology
Percent
0
Tertiary Lithology
Percent
0
Comments
Start Depth: 1820.00 ft
End Depth: 1920.00 ft
Unit: Jordan
System
Cambrian
Series
Group
Formation
Jordan
Member
Submember
Start Depth
1820.00 ft
End Depth
1920.00 ft
Contact Accuracy
Base Accurate, Top Less Accurate - (Indistinct Lithologic Contact)
Penetration
Partial Penetration (Base Not Met), No Gap At Top
Primary Lithology
Sandstone
Percent
0
Secondary Lithology
Dolomite
Percent
0
Tertiary Lithology
Percent
0
Comments