Wireline Logs Stratigraphic Columns West-East Cross Section in the Illinois Basin Cross Section Location

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Wireline Logs Stratigraphic Columns West-East Cross Section in the Illinois Basin Cross Section Location MISSISSIPPIAN SUBSYSTEM MISSISSIPPIAN SUBSYSTEM MISSISSIPPIAN SUBSYSTEM PENNSYLVANIAN SUBSYSTEM QUATERNARY SYSTEM DEVONIAN SYSTEM Salem Ls upper Pope Grp (above Glen Dean Ls) Salem Ls Mattoon Fm Pleistocene deposits New Albany Sh Warsaw Fm lower Pope Grp (below top of Glen Dean Ls) Ullin Ls Bond Fm Middle Devonian (undiff.) Burlington-Keokuk Ls and Fern Glen Fm Ste. Genevieve Ls Ft. Payne Fm Shelburn-Patoka Fms Lower Devonian (undiff.) Meppen Ls St. Louis Ls Borden Sltst Carbondale Fm �������� ������� � Springville Sh and Chouteau Ls Du Quoin Springville Sh and Chouteau Ls Tradewater Fm La Salle �' Monocline Caseyville Fm Anticlinorium Structural Features of Illinois (modified from Nelson 1995) ��������� ������������������ ��������� �������� �������������������� ���� ��������� ����������������� ���� � ���� ��� � ���� ��������������� � ����������� ��������������� ��������������� ����������� �������������������� ��������������������������� ��������� ������ � � Precambr � �� ian granite and rh �� �������� � �� �� y olite ���������� ���������������� �� �������� 1,000 ft 300 m �������� 800 200 400 100 200 5 10 mi 0 0 5 10 15 km � � � ���������� � SILURIAN SYSTEM CAMBRIAN SYSTEM ������ ������� � � � � � Moccasin Springs Fm Cambrian (undiff.) � �� � � � � St. Clair and Sexton Creek Lss Eau Claire Fm ��� � �������������� � Mt. Simon Ss � ���������� � � � � � � � � � �� � � � � ORDOVICIAN SYSTEM �� � ��� � � � Maquoketa Grp �� � � � � ���� ��� �� ��� � ���� � Galena Grp (Trenton Ls) � � � � ��� Platteville Grp � Joachim Dol � � � West-East Cross Section in the Illinois Basin � � ��������� � � ������ (modified from Treworgy and Whitaker 1990 and Whitaker and Treworgy 1990) ORDOVICIAN SYSTEM � � � � ����� ��� Dutchtown Ls � � ������ ���� � St. Peter Ss � ���� ������� � Everton Fm �������� Shakopee Dol � ����� � ����� � ����������� ����� �� � Oneota Dol � ���� � ��� � � �� � � ��� �� � � � �� ���� �� � ����� ����� � � � �� ���� ��� � � ��� ����� � �� � � Cross Section Location Map ��� � �� ���� Stratigraphic Columns Wireline Logs � ��������� �� �� � �� � ���� � � ������� � � � � �� ��������� �������� ��� ����� �� � ������������ A' ������������������� ������������������� Typical stratigraphic succession in the Illinois Basin in southern Illinois. �� ����� �������� �������� ����� �������� �������� Composite of Wayne County wells - Tamarack #1 Brach (NW NE NW Sec. 3, � ������ ����� ������ �� ��� ����� ��������� ����� ������ �� ��� ����� ��������� T1S, R7E), 400 to 3,800 ft and UNOCAL #1 Cisne Community (SW NE NE Sec. ���� ��������� �������� ������ �������� ������ 3, T1S, R7E), 3,800 to 11,604 ft. SP, spontaneous potential; RES, resistivity. � � � � � � � � � � � � � � ��������� ��� ��������� ������� ��������� ��� ��������� � � � � � � � � � � � � � � � SP RES Depth � � � � � � � � � � � � � � � � � � � � � � � � � � � �������� ������� ��� ���� � �������� ������� ��� ���� � � 1 ����� � � � � � � � � � � � � � � � � � � � � � � � � � �� �� ����� � � � � � � � � � � � � � ���� ���� ��������� ����� ����� � � ���� ���� ��������� ����� ����� Limestone � � �� ��������� ������ �� �� ��������� ������ ���� � �� ����� � � � � � � � � � � � � � � � � � � � � � � � � � � 500 � � � � � � � � � � ������� ������ ������ ��� �������� ������ � � � � � � � � � � � � � � � � ������� ��� ����������� � � � � � � � � � � Dolomite � � � � � � � � � � � � � �������� ��������� ����� ���������� ���������� � � � ��� � � � � � � � � � � � � ������ ��� ��������� � � � � � � � � ������ ������ ����� ������ ������ ����� � � � � � � � � ������ � � � � � � � � � 900 ANIAN � � � � � � � � � � Herrin Coal V � � Sandstone � � � � � � � ��������� � ������ �� ������ � � � � � � � � � � � � � � � � � � � � � � � � � � Colchester Coal � � � � � � � � � � � � � � ������ �� ������ � � � � � � � � OKA SEQUENCE 1300 B' � � � � � ������� ����� �� ������ � � � ��� Primarily shale and/or � � � � ' � ������� �� ����� � � � � � siltstone; some formations � � � � PENNSYL � � � ������� �� ����� contain interbeds of limestone B UNOCAL #1 Cisne Community well �� �� ����� �� � and/or sandstone; some � � ��� ����� �� ����� � � � � � � ���� �� ����� Pennsylvanian formations ABSAR � 1700 � � � � � � � � ���� �� � contain coal beds Configuration of Top of Precambrian Rocks � � � � � � � � � � � � � � � � � � ������� �� ������ (modified from Buschbach and Kolata 1991 and Wheeler et al. 1997) � � � �������� �� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � ������ ���� 2100 � � � � OUS � � � � ������ �� ������ � ������� �� top of ���� ����� ������������ � � � � � � � ������ �� � �� �� � Menard Ls -1000 �� ����� ��� �� �������� �� ��� � � � �������� �� � � ��������������� -2000 ������� �� ������ �� Pope Group A ��� ������ 2500 -2000 � � � ���������� �� � top of Beech -2000 � -3000 � ������ �� Creek Ls ���� � � �������� ���� � � � 2900 CARBONIFER � ������� �� � -3000 � ������� �� ������ � �������� �� � � � � ���� �� � � ���� � � -3000 � � � ������ ���� Ste. Genevieve Ls � -4000 � � � � � � -4000 � � � 3300 � � � St. Louis Ls � � ���������� �������������� �� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � Salem Ls � � -5000 � � � � � � � � � ������ �� MISSISSIPPIAN Tamarack #1 Brach 3700 � � � � � ���������� �� ������ � � � � ������������ �� � � � � � � � � � � RES � GR � � � � � UNOCAL #1 Cisne Community � � � � � � ����������� ���� � � � � -5000 � � � ������� �� � � � � � � � � � � � � ������� �� -5000 � � � � ���� �� ������ � 4100 � � � ������� ����� ���� � � � KASKASKIA SEQUENCE � � ��������� ���� � � Ullin Ls � � ������� ���� � � � � � � � � � � � � � ��� ������ �� � � � -6000 � � ��� ����� �� � �������� �� � ����� ������ �� -6000 � 4500 � ������� ����� �� Ft. Payne Fm � �������� �� ���������� ���� � Springville Sh and Chouteau Ls � � ����������� �� �� ���� ������ ���� � -7000 � New Albany Shale � � � ���������� �� ������ � � ������ ���� � � � � � Middle Devonian 4900 -7000 � � � � � � � � (undifferentiated) ��������������� ������� �� � � � � � ������� -8000 � � � � ��� ������ � ���������� �� ����� Lower Devonian -8000 � � � �� ���� �������� �� � ONIAN (undifferentiated) � � ��� 0 40 mi � � �������� �� ��� 5300 -9000 � ������������� �� ����� � � � ����� �� -9000 DEV � ����� 0 50 km � � � �������� ���� Bailey Ls � � � � � �������� ���� �� � -10,000 � � � � �������� �� � �� �������������������� � � � ������ �� � ��� ����� �� ������ � � � Contour interval 1,000 feet � � � ����� � ���� �� � � ����� � 5700 � � � � � � � ������ ���� � � � � -11,000 � � � � � � � � � ��� ����� �� � � ����� �� ����� ������ �� ����� � � � � Moccasin Springs Fm ������ ���� �� � In thousands of feet � � � � � � � � � � -12,000 � �� � ����������� ���� � � � � � � below sea level � � ������ �� ������ � � St. Clair and Sexton � � � � � � SILURIAN � � � � ������� �� -13,000 � Creek Ls � � � ���������� �� ������� ����� ���� � � � 6100 � � � -7000 -13,000 � � � ������ ������� ���� � ������ ����� � � Some faults (shown in blue), such � � � Maquoketa Group � � � ����� ������ ����� � � ������ � � ����������������� �� ������ as those in southeasternmost � ���������� ���� � � ���� ��� ��� � � � � � ������� ���� � Galena Grp (Trenton Ls) -14,000 � � � Illinois, extend upward from the � ���������� ���� � � ����� ���� � � � � � � Precambrian rocks through the ��� ��� ��� ��� � � � � � ������� ����� �� 6500 � Paleozoic sedimentary rocks to -12k �������� � � ������ ���� �� ����� � ��������� �� � � � � Platteville Group the bedrock surface. In contrast, � � �������� ���� ����� ����� � �������� �� ����� � � � � ��� ����� ���� � �������� �� ����� � � some major thrust faults, including � � � � ��� � � � � many associated with the La Salle � �������� �� � � � � -7k � ����������� ���� � ��� � � � � Anticlinorium in east-central -12k -13k � 6900 � � �������� �� � � � � � � � Joachim Dol � TIPPECANOE SEQUENCE � � � � � Illinois, have forced the overlying � � � � ������� ���� � � � � � ������ ��������������� ����� �� ������ Dutchtown Ls � � sedimentary rocks into anticlines � � � � � ���������� �� ������ � -14k �������� � � � � � � � -14k � � St. Peter Ss -13k � and monoclines, but the faults do ������ �� � �������� �� -14k � � -14k � � ���������� ���� ������ ���� � not extend up to the bedrock � � � � � � ����� ������ �� ������ -14k � � � � ����� �� 7300 � � � surface. ������� � Everton Fm -14k -14k -14k � � � � � � � ����������� � � � �� � ������������ �� ������ -13k -14k � � � � � � � ���� ��� ��� �������� � � � (modified from WhitakerTreworgy1992 1997)et al. andet al. � � � �� � ������� ����� �� ����� ��� � � -14k � VICIAN � � -14k � � � � � � 7700 � ���� ���� � � � � � � � � -15k � ������������ ���� � � � � � � ORDO � -14k � � � � � � � � � � -15k � ������ �� � � � � � 8100 � � � � � � Shakopee Dol � � � -15k -14k -14k � � � � � � ������ ��� ������ � � � � � � � � � � � ��������� ���������� �� ������ -19k � -18k ������� � � ���������� � -17k � � -22k � � � � � -17k � � � �� ������������������������� ������������� ��� ��������������� ����������� �� ������� ��������� ������� -22k South-North Cross Section in the Illinois Basin South-North Illinois the in Section Cross -17k � � � � � � -16k -21k 8500 � � ����������� �������� � � � -16k � � -16k -20k -21k � � -15k � � � -19k � -21k ������� ���� �� � -15k -22k -21k � -16k � � -18k � � � � � -21k � � � � � � � � � -18k -21k � -16k -22k -22k � � -16k � � � � -15k -18k ������� �� � � � -15k -16k � � -15k ��� � -17k � 8900 -15k � � -16k � � ����� ������ �� � -15k ����� ��� ��� ����� -15k � -15k ��������� �� Oneota Dol/ -16k -15k ������������� ����� ���
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