DIVISION OF GEOLOGICAL SURVEY GUIDEBOOK NO. 3 PENNSYLVANIAN CONODONT LOCALITIES IN NORTHEASTERN OHIO BY GLEN K. MERRILL Prepared for annua I meeting of the PANDER SOCIETY in cooperation with THE GEOLOGICAL SOCIETY OF AMERICA NORTH-CENTRAL SECTION 8TH ANNUAL MEETING KENT, OHIO MAY 8-11. 1974 ®NATillAL llESOOllCES STATE OF OHIO DEPARTMENT OF NATURAL RESOURCES DIVISION OF GEOLOGICAL SURVEY John J. Gilligan, Governor William B. Nye, Director Horace R. Collins. Chief SCIENTIFIC AND TECHNICAL STAFF OF THE DIVISION OF GEOLOGICAL SURVEY 0IEPARTMENT IJ NATURAL RESOURCES ADMINISTRATIVE SECTION Horace R. Collins, MS, State Geologist and Division Chief Jean Simmons Brown, MS, Geologist and Editor William J. Buschman, Jr., BS, Administrative Geologist Merrianne Hackathorn, BS, Geologist and Assistant Editor Michael C. Hansen, MS, Geologist Edwin F. Helser, BS, Administrative Assistant Madge E. Rodgers, BS, Geologist Pauline Smyth, MS, Geologist Eleanor J. Hyle, Secretary Jacquelene Connolly, Clerk-Typist Donna M. Schrappe, Clerk-Typist REGIONAL GEOLOGY SECTION SUBSURFACE GEOLOGY SECTION Richard A. Struble, PhD, Geologist and Section Head Adriaan Janssens, PhD, Geologist and Section Head Richard W. Carlton, PhD, Geologist Michael J. Clifford, MS, Geologist Michael L. Couchot, MS, Geologist Jeffrey B. Hermann, BS, Geologist Richard M. DeLong, MS, Geologist Ronald D. Stieglitz, PhD, Geologist David S. Fullerton, PhD, Geologist James Wooten, Geologist Aide Gerald H. Groenewold, PhD, Geologist Barbara J. Adams, Clerk Joseph R. Hatch, PhD, Geochemist B. Margalene Crammer, Clerk Donald 0. Johnson, PhD, Geologist Jeff L. Reese, BS, Geologist David A. Stith, MS, Geologist Robert G. Van Horn, MS, Geologist Joel D. Vormelker, MS, Geologist Geochemistry laboratory LAKE ERIE SECTION Donald L. Streib, PhD, Geochemist in charge George Botoman, MS, Geologist Charles H. Carter, PhD, Geologist and Section Head Norman F. Knapp, PhD, Chemist Donald J. Benson, MS, Geologist E. Lorraine Partlow, Laboratory Technician Walter R. Lemke, Boat Captain Donald E. Guy, Jr., BA, Geologist Aide Dale L. Liebenthal, Geologist Aide Lynn M. Gerold, Clerk-Typist WATER INVENTORY SECTION Alfred C. Walker, BS, Geologist and Section Head Herbert B. Eagon, Jr., BS, Geologist Leonard J. Harstine, BS, Research Associate Glenn W. Hartzell, BS, Geologist PUBLICATIONS SECTION Anthony R. Rudnick, BS, Geologist James J. Schmidt, BS, Geologist Harold J. Flint, Cartographer and Section Head David S. Ziegler, BA, Geologist James A. Brown, Cartographer Lloyd C. Flower, Technician Donald R. Camburn, Cartographer Otha B. Furlough, Technician Philip J. Celnar, BFA, Cartographer Donald M. Henry, Technician James E. Hairston, Cartographer V. Ruth Haldeman, Geologist Aide Leslie R. Lewis, BF A, Cartographer Jane Kellermeyer, Clerk-Typist Jean J. Miller, Photocopy Composer STATE OF OHIO John J. Gi II igan, Governor DEPARTMENT OF NATURAL RESOURCES William B. Nye, Director DIVISION OF GEOLOGICAL SURVEY Horace R. Collins. Chief Guidebook No. 3 PENNSYLVANIAN CONODONT LOCALITIES IN NORTHEASTERN OHIO by Glen K. Merrill Columbus 1974 ------~------------------"' .::::: GEOLOGY SERVES OHIO ~ CONTENTS Page Trip at a glance .... .... .. .... ... .... ...... ...... .. .. ...... .... .... ...... .. .... .... .. .... .. .. .......... .... ... .... ...... .. .... 1 Geologic setting .... ......... ... .... ... .... .. .. .... ... .... .. .... ........ .... .... .... .... .......... .... .... .... ........ ...... 1 General .............................................................................................................................. 1 Topographic maps ................ ............ ............ .......... .......... .... ............................................ 2 Road log............................................................................................................................ 3 Stop lA - Grindstone Run, Lowellville, Ohio ............................................................ 4 Lowellville Limestone .... ........ ............ ................ .......... .................... .......... ................ 4 Lower Mercer Limestone ............ ................ .................................. .............................. 5 Upper Mercer Limestone ................ ............................ ........ ........ .... ............................ 5 Stop lB - quarry at Lowellville Rod and Gun Club .................................................. 6 Vanport Limestone...................................................................................................... 6 Stop 2 - in bed of Yellow Creek, Poland, Ohio ...................................... .................... 6 Lower Mercer Limestone .. ........ .... .... .... .... .... ........ .... ...... .... .... ...... .. ...... .... ...... ............ 6 Stop 3 - along old U.S. 30 west of Cannon's Mill...................................................... 9 Brush Creek Member.................................................................................................... 9 Stop 4 - along Ohio Rte. 45 west of Round Knob ...................................................... 10 Cambridge Member ...................................................................................................... 10 Stop 5 - along Ohio Rte. 213 at Yellow Creek.......................................................... 11 Washingtonville Shale ................................................................................................ 11 Stop 6 - road and railroad cuts near Broadacre ......................................................... ., 13 Ames Limestone ........ .................................. ................ .... ........ ........ ............ .......... ...... 13 Stop 7 - hilltop west of Bowerston.............................................................................. 14 Ames Limestone.......................................................................................................... 14 Stop 8 - New Philadelphia road cut ...................................... .... .......................... .......... 17 Putnam Hill Limestone .... ................ .. ............ .. .......... .. .. .... .... .... ........ .... .... ................ 17 Lower Clarion Shale .... .. .. ............ .. .... .... ........ .... .... .... .... .... .... ...... .... ............ .... .... ...... .. 17 Vanport Limestone and Chert.................................................................................... 17 Upper Clarion Shale .... ................................................................................................ 18 Occurrences of Pennsylvanian conodonts in eastern Ohio: a brief summary.......... 19 Phylogenetic and biostratigraphic summary .............................................................. 19 N eognathodus ...... ........ ........ ...... ...... .......... .. .......... .... ............ .... ...... .... .... ........ ........ .. 19 ldiognathodus-Streptognathodus ................ .......................... .................................... 21 Cavusgnathus .......... .. .. .... .... .... .... ... .......... ...... ...... .... .... .... .... .... .... .... .... .... ................ 22 Anchignathodus ..... .... ... .. ........ .... ...... .... .... ........ .... .... .... .... .... ...... .................... .......... 22 ''Spathognathodus'' .................................................................................................. 22 Zona ti on .... .... .... ........ .... ...... .. .......... ............ .... ...... ...... .. .. .... .......... .... ..... ... .... ............ 22 Lithostratigraphic and paleoecologic summary .......... ................................................ 23 Acknowledgments.............................................................................................................. 24 References cited .... ........ ...... .. ...... .......... ............ .. .. ........ ........ ...... ...... ...... .... .... ...... ........ .. 24 FIGURES 1. Route map .................................................................................................................... 1 2. Composite columnar section at Stops lA and lB ........ ........ .......... .......................... 5 3. Columnar section at Stop 5 .................................... ................................ ...... .............. 12 4. Graphic portrayal of conodont data at Stop 8 .......................................................... 16 5. Schematic summary of conodont occurrences in Pennsylvanian rocks of east- ern Ohio ............................................................................................................ 20 iii CONTENTS TABLES 1. Generalized stratigraphic relationships between the various marine beds in the Pennsylvanian of Ohio .............................................................................. 21 2. List of taxa with associates and occurrences ........ ................................................ 23 PLATES 1. Conodonts from the Putnam Hill, Upper Mercer, Lower Mercer, and Lowellville Members........................................................ Following page 25 2. Conodonts from the Ames, Cambridge, Brush Creek, Washing- tonville, and Vanport Members .............................................. Following page 25 iv PENNSYLVANIAN CONODONT LOCALITIES IN NORTHEASTERN OHIO by Glen K. Merrill THE TRIP AT A GLANCE ing northward until in the region around Youngstown, Ohio, it is nearly east-west. As we follow the trip Purpose: To acquaint the participant with