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Stratigraphic Framework of Cambrian and Ordovician Rocks in the Central Appalachian Basin From Fayette County, Ohio, to Botetourt County, Virginia

Robert T. Ryder, John E. Repetski, and Anita G. Harris, 1996, United States Geological Survey Map Series, I-2495


Table 1. --Drill holes used in section F-F' [ Location shown on figure 1 ]
Number Name Location Permit No. Lithologic Log1 Cored Intervals (ft) and formation Total depth (ft) Ages of oldest rocks drilled (formation)
1 Kewanee Oil Company No. 1 Hopkins. Union Township, Fayette County, Ohio 1 GSLC,J 1,380-1,430; Lexington Limestone

1,798-1,808; Black River Group

2,995-3,028; Conasauga Formation

3,292-3,312,

3,330-3,380; Rome Formation of Janssens, 1973.

3,752-3,777,

3,892-3,902,

4,102-4,139,

4,694-4,708; Middle Proteozoic

Basement rocks.

4,708 Middle Proterozoic
2 Crest Oil Company No. 1 Clark. Concord Township, Ross County, Ohio. 9 GSLC   3,862 Middle Proterozoic
3 Orwig Oil Company No. 1 Frick. Jackson Township, Pike County, Ohio 36 GSLC   5,145 Late Cambrian (Rome Formation of Janssens, 1973).
4 Halbert No. 1 Woods Franklin Township, Jackson County, Ohio. 76 GSLC,J   6,320 Middle Proterozoic
5 Goldberg No. 1 Payne Symes Township, Lawrence County, Ohio. 174 -   7,002 Middle Proterozoic
6 United Fuel Gas Co. No. 8803TR Arrington. Clendenin District, Mason County, W.Va. 69 GSLC   8,635 Middle Proterozoic
7 Cyclops Corporation No. 1 Kingery. Union District, Cabell County, W.Va. 537 GSLC   8,552 Middle Proterozoic
8 Exxon Company U.S.A. No. 1 McCormick. Duval District, Lincoln County, W.Va. 1469 E 13,641-13,701; Maryville Limestone. 19,124 Middle Proterozoic
9 Joy Manufacturing Co. Corehole WVAC-1 Swweet Springs District, Monroe County, W.Va. - - 0-~3,000; Beekmantown Dolomite and Middle Ordovician undifferentiated limestone ~3,000 Early Ordovician (Beekmantown Dolomite)
10 Joy manufacturing Co. Corehole VAC-4 Strom quadrangle, Alleghany County, Va. - - surface to total depth; Beekmantown Dolomite and MiddleOrdovician undifferentiated Limestone ~1,550 Early Ordovician (Beekmantown Dolomite)
11 Columbia Gas Transmission No. 20750-T Tredegar Company Eagle Rock quadrangle, Botetourt County, Va. 439     9,219 Late Cambrian (lower part of the Copper Ridge Dolomite)

[ Map | Cross-section | Stratigraphy | Explanation ]
[ Table 1 | Table 2 | Table 3 ]
[ Contents | Discussion | References | Footnotes ]


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