Structural geology of northwestern Ohio

Conference · Tue Sep 01 00:00:00 EDT 1987 · AAPG (Am. Assoc. Pet. Geol.) Bull.; (United States)

OSTI ID:6001948

Wickstrom, L H; Gray, J D

Recently developed structure contour maps for the Cambrian and Ordovician strata show the northwestern Ohio area to be much more structurally complex than previously noted. These new maps illustrate several new faults and structural trends. Analysis of these faults indicates that northwestern Ohio is broken by a series of wrench faults, with associated folding. Vertical displacement is noted along some of these wrench faults. Fault-plane solutions from this area reveal a dominant compressive stress direction from the southeast. This stress orientation would be consistent with those generated during the Taconic orogeny. Timing indicators from seismic analysis reveal one episode of faulting occurred shortly after deposition of the Trenton Limestone. At least one episode of movement has occurred since that time, as evidenced by displacement within the Silurian bedrock. Furthermore, seismic, gravity, and magnetic surveys indicate that preexisting weaknesses within the Precambrian may have influenced the position of many of the structural features noted.

• Research Organization: Ohio Dept. of Natural Resources, Columbus
• OSTI ID: 6001948
• Report Number(s): CONF-8710197-
• Journal Information: AAPG (Am. Assoc. Pet. Geol.) Bull.; (United States), Vol. 71:9; Conference: American Association of Petroleum Geologists Eastern Section meeting, Columbus, OH, USA, 7 Oct 1987
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
OHIO
GEOLOGIC STRUCTURES
GEOLOGY
CAMBRIAN PERIOD
GEOLOGIC FAULTS
LIMESTONE
MAPS
ORDOVICIAN PERIOD
PRECAMBRIAN ERA
CARBONATE ROCKS
FEDERAL REGION V
GEOLOGIC AGES
GEOLOGIC FRACTURES
NORTH AMERICA
PALEOZOIC ERA
ROCKS
SEDIMENTARY ROCKS
USA
020200* - Petroleum- Reserves
Geology
& Exploration