REFERENCES CITED

Allen, J.R.L, and Friend, P. F., 1968, Deposition of the Catskill Facies, Appalachian Region, in Klein, G.D., ed., Late Paleozoic and Mesozoic Continental Sedimentation, northeastern North America: Geological Society of America Special Paper 106, p 21-74.

Beaumont, C., Quinlan, G., and Hamilton, J., 1988, Orogeny and stratigraphy: numerical models of the Paleozoic in the eastern interior of North America: Tectonics, v. 7, p. 389-416.

Dennison, J.M., and Textoris, D. A., 1980, Devonian Tioga Tuff is northeastern United States: Bulletin Volcanoligique, Tome 34, p. 289-294.

Diecchio, R. J., 1980, Stratigraphic and petrologic evidence for partial closure of the Proto-Atlantic during the Taconic Orogeny: Geological Society of America National Meeting Abstracts, v. 12, no. 7, p. 413.

Diecchio, R. J., 1985, Post-Martinsburg Ordovician stratigraphy of Virginia and West Virginia: Virginia Division of Mineral Resources, Publication 57, 77 p.

Diecchio, R. J., 1986a, Taconian clastic sequence and general geology in the vicinity of the Allegheny Front in Pendleton County, West Virginia: in Neathery, T. N. (editor), Decade of North American Geology, Geological Society of America, Centennial Field Guide-Southeaster Section, P. 85-90.

Diecchio, R. J., 1986b, Upper Ordovician and Silurian stratigraphy of the Virginia and West Virginia Valley and Ridge-sedimentary and structural effects of the Taconic Orogeny: in Textoris, D. A. (editor), SEPM Field Guidebooks, Southeastern United States, SEPM Third Annual Midyear Meeting, 1986, Raleigh, NC, p. 217-252.

Ettensohn, F. R., 1987, Rates of relative plate motion during the Acadian Orogeny based upon the spatial distribution of black shales: Journal of Geology, V. 95, P. 572-582.

Ettensohn, F. R., 1991, Flexural interpretation of relationships between Ordovician tectonism and stratigraphic sequences, central and southern Appalachians, U.S.A.: in Barnes, C. R. and Williams, S. H. (editors), Advances or Ordovician Geology: Geological Survey of Canada, paper 90-9, p. 213-224.

Fichter, L. S., 1986, The Catskill clastic wedge (Acadian Orogeny) in eastern West Virginia: in Neathery, T. N. (editor), Decade of North American Geology, Geological Society of America, Centennial Field Guide-Southeastern Section, P. 91-96.

Fichter, L. S., and Diecchio, R. J., 1986a, Stratigraphic model for timing the opening of the Proto-Atlantic Ocean in Northern Virginia: Geology, v. 14, p. 307-309.

Fichter, L. S., and Diecchio, R. J., 1986b, The Taconic sequence in the northern Shenandoah Valley, Virginia: in Neathery, T. N. (editor), Decade of North American Geology, Geological Society of American, Centennial Field Guide-Southeastern Section, p. 73-78.

Hatcher, R. D., Jr., 1978, Tectonic of the western Piedmont and Blue Ridge, southern Appalachians: review and speculations: American Journal of Science, v. 278, p. 276-304.

Haynes, J. T., 1992, Reinterpretation of Rocklandian (Upper Ordovician) K-bentonite stratigraphy in southwestern Virginia, southeast West Virginia, and northeast Tennessee: Virginia Division of Mineral Resources, Publication 126, 58 p.

Mussman, W. J., land Read, J. F., 1986, Sedimentology and development of passive-to convergent-margin unconformity: Middle Ordovician Knox unconformity, Virginia Appalachians: Geological Society of America Bulletin, v. 97, p. 282-295.

Rodgers, John, 1971, The Taconic Orogeny: Geological Society of America Bulletin, v. 82, p. 1141-1178.

Vail, P. R., Mitchum, R. M., Jr., and Thompson, S. III, 1977, Seismic stratigraphy and global changes of sea-level, Part 4, Global cycles of relative changes of sea-level: American Association of Petroleum Geologists, Memoir 26, p. 83-97.

Walker, K. R., Shanmungan, G., and Ruppel, S. C., 1983, A model for carbonate to terrigenous clastic sequences: Geological Society of America Bulletin, v. 94, p. 700-712.

Wright, J.E., Sinha, A. K. and Glover, L., III, 1975, Age of zircons from the Petersburg Granite, Virginia; with comments on belts of plutons in the Piedmont: American Journal of Science, v. 275, p. 848-856.