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An outcrop with honeycomb weathering and crossbedding in the Hockingport sandstone of the Dunkard Group along Ohio State Route 124, 1 mile northeast of Hockingport, Athens County, Ohio. This area has shale, siltstone, mudstone, sandstone, limestone and coal lithologies. Bedrock is from the Late Pennsylvanian, Early Permian Geologic Period. The photograph was taken by Michael C. Hansen in 1988. A NewsCenter article written by Todd Baucher and posted on November 16, 2009, describes the rerouting of Ohio State Route 124, which had previously followed the state line along the Ohio River. In 2009, the new Ohio State Route 124 opened routed along Athens County Road 62 (Youba Ridge Rd.) from Hockingport to a new eastern...
An outcrop of the Waynesburg sandstone of the Dunkard Group along the Ohio River north of Reedsville, Meigs County, Ohio. This area has shale, siltstone, mudstone, sandstone, limestone and coal lithologies. Bedrock is from the Late Pennsylvanian, Early Permian Geologic Period. The photograph was taken in 1970.
This photograph shows near vertical strata on the Central Peak of the Serpent Mound Impact Structure on the William V. Martin farm north of Peebles in Adams County, Ohio. This area has dolomite, shale, limestone, sandstone, and siltstone lithologies. Because of the geologic forces that have acted on the site of the impact crater, bedrock in the area is a mixture of uplifted, down dropped, faulted, folded and eroded rock from the Ordovician, Silurian, Devonian and Mississippian Geologic Periods. The photograph was taken by Gerald H. Newsom during the American Association of Petroleum Geologists Eastern Section Meeting Field Trip to the Plum Run Quarry and the Serpent Mound Disturbance on October 10, 1998. The Serpent...
A Landsat Thematic Mapper satellite false-color image with lineaments showing the central peak of the Serpent Mound Impact Structure. The image was taken in September 1994 and processing was done by the Ohio Department of Natural Resources, Division of Real Estate Management. The image was used for Subsurface Geology of the Serpent Mound Disturbance, Adams, Highland, and Pike Counties, Ohio by Mark T. Baranoski, Gregory A. Schumacher, Doyle R. Watts, Richard W. Carlton, and Belgasem M. El-Saiti (Report of Investigations No. 146) published by the Ohio Division of Geological Survey in 2003. The Serpent Mound Impact Structure is an approximately 9-mile-diameter area of highly disturbed and structurally deformed bedrock...
An outcrop of the Poverty Run-Lowelville limestone of the Pottsville Group at the Beach City Dam on Sugar Creek in Franklin Township, Tuscarawas County, Ohio. This area has shale, siltstone, sandstone, conglomerate, limestone and coal lithologies. Bedrock is from the Pennsylvanian Geologic Period. The photograph was taken by Michael C. Hansen in 1981.
An outcrop of the Benwood limestone of the Monongahela Group at an Ohio Power Company pit in Morgan County, Ohio. This area has shale, siltstone, mudstone, sandstone, limestone and coal lithologies. Bedrock is from the Pennsylvanian Geologic Period. The photograph was taken by Clark L. Scheerens during the Great Lakes Section Society for Sedimentary Geology's Annual Field Trip in September 1979.
The image shows a close-up of sections in Box 22 of Ohio Division of Geological Survey's core DGS 3274 at the interval of 213.5 to 214.5 feet and 215.5 to 216.5 feet. This core section comes from the central uplift of the Serpent Mound Impact Structure, which has dolomite, shale, limestone, sandstone, and siltstone lithologies. Because of the geologic forces that have acted on the site of the impact structure, bedrock in the area is a mixture of uplifted, down dropped, faulted, folded and eroded rock from the Ordovician, Silurian, Devonian and Mississippian Geologic Periods. In 1979, John L. Carroll Mineral Exploration of New York City drilled two core holes in the Serpent Mound Impact Structure in Bratton Township,...
The image shows a close-up of sections in Box 22 of Ohio Division of Geological Survey's core DGS 3274 at the interval of 219.5 to 220.5 feet and 221.5 to 222.5 feet. The section includes fossil bearing limestone. This core section comes from the central uplift of the Serpent Mound Impact Structure, which has dolomite, shale, limestone, sandstone, and siltstone lithologies. Because of the geologic forces that have acted on the site of the impact structure, bedrock in the area is a mixture of uplifted, down dropped, faulted, folded and eroded rock from the Ordovician, Silurian, Devonian and Mississippian Geologic Periods. In 1979, John L. Carroll Mineral Exploration of New York City drilled two core holes in the...
The image shows a close-up of section of Ohio Division of Geological Survey's core DGS 3274 at the interval of 1218 feet. This section includes a normal fault in a breccia zone. This core section comes from the central uplift of the Serpent Mound Impact Structure, which has dolomite, shale, limestone, sandstone, and siltstone lithologies. Because of the geologic forces that have acted on the site of the impact structure, bedrock in the area is a mixture of uplifted, down dropped, faulted, folded and eroded rock from the Ordovician, Silurian, Devonian and Mississippian Geologic Periods. In 1979, John L. Carroll Mineral Exploration of New York City drilled two core holes in the Serpent Mound Impact Structure in Bratton...
The image shows a close-up of sections with mixed lithic breccia from Ohio Division of Geological Survey's core DGS 3274 at the interval of 1435 to 1435.5 feet. This core section comes from the central uplift of the Serpent Mound Impact Structure, which has dolomite, shale, limestone, sandstone, and siltstone lithologies. Because of the geologic forces that have acted on the site of the impact structure, bedrock in the area is a mixture of uplifted, down dropped, faulted, folded and eroded rock from the Ordovician, Silurian, Devonian and Mississippian Geologic Periods. In 1979, John L. Carroll Mineral Exploration of New York City drilled two core holes in the Serpent Mound Impact Structure in Bratton Township, Adams...
Bracciated Greenfield Dolomite containing porphyroclasts of dolomite and sphalerite. The sample comes from a graben in the central uplift (from page 396 of The Serpent Mound Cryptoexplosion Structure, Southwestern, Ohio by Stephen P. Reidel and Frank L. Koucky part of the Geological Society of America's GSA Cincinnati '81 Field Trip Guidebooks, v. 2. Economic Geology, Structure). The Serpent Mound Impact Structure is an approximately 9-mile-diameter area of highly disturbed and structurally deformed bedrock at the intersection of Adams, Highland and Pike counties. The area of the impact structure has dolomite, shale, limestone, sandstone, and siltstone lithologies. Because of the geologic forces that have acted...
A specimen of fractured Ordovician limestone from the Serpent Mound Impact Structure. The specimen was collected by Stephen P. Reidel as part of the research for his Geology of the Serpent Mound Cryptoexplosion Structure a thesis submitted in partial fulfillment of the degree of Master of Science to the University of Cincinnati in 1972. The location given is approximate to the central point of the structure based on the specimen being collected by Dr. Reidel at the Serpent Mound Impact Structure, but the exact location in the structure not available at this time. The Serpent Mound Impact Structure is an approximately 9-mile-diameter area of highly disturbed and structurally deformed bedrock at the intersection of...
A specimen showing spheralite replacment without visible fracturing. The specimen shows contemporaneous solution of the dolomite and deposition of sphalerite. The photograph was taken by Stephen P. Reidel for his Geology of the Serpent Mound Cryptoexplosion Structure a thesis submitted in partial fulfillment of the degree of Master of Science to the University of Cincinnati in 1972. It appears as Photo 40 in his thesis document. The specimen was collected from the central uplift area of the Serpent Mound Impact Structure near the fifth and southernmost of Reidel's seven radiating anticlines (see Location 5 on the index map for Plate 1 in Appendix IV of the thesis). The Serpent Mound Impact Structure is an approximately...
A photograph of the location for the abandoned Lewis mine slopes in Weathersfield Township, Trumbull County, Ohio. The Lewis mine was a subsurface mining operation for the Sharon (No. 1) coal. This location is where coal was first discovered on that side of the Ridge. The slopes are covered in the photograph, but it is near them that the active drain for the Ridge is found as a bubbling spring. The area of the mine has shale, siltstone, sandstone, conglomerate, limestone, underclay, coal and flint lithologies. Bedrock is from the Pennsylvanian Geologic Period. The photograph was taken during the summer field work of James Osborn Fuller and Myron T. Sturgeon in July 1941.
A filled shaft at the abandoned Mahoning Coal Company No. 4 slope mine near Coalburg in Hubbard Township, Trumbull County, Ohio. The Mahoning Coal Company No. 4 mine was part of the Sharon (No. 1) coal subsurface mining operation in the Vienna-Coalburg area. The dump had been largely removed, but water seeps and timbers of the shaft along with a large glacial boulder were still visible at the opening to the mine. The area of the mine has shale, siltstone, sandstone, conglomerate, limestone, underclay, coal and flint lithologies. Bedrock is from the Pennsylvanian Geologic Period. The photograph was taken during the summer field work of James Osborn Fuller and Myron T. Sturgeon in July 1941.
Rock House is the only true cavern at Hocking Hills State Park, Hocking County, Ohio. The outcrop of Black Hand Sandstone rises 150 feet from the valley floor overlooking Laurel Run. Halfway up the face of the cliff is a row of five to seven
An outcrop of the Black Hand Sandstone of the Cuyahoga Formation that forms Old Man's Cave at Hocking Hills State Park, Hocking County, Ohio. Old Man's Cave is a large rock shelter in the northwest valley wall of Old Man's Creek. It is formed in the weakly cemented crossbedded middle zone of the Black Hand Sandstone. The rock shelter cave is about 200 feet long, 50 feet high, and 75 feet deep. The resistant uppermost zone of the Black Hand sandstone forms the roof of the cave. Bedrock is from the Mississippian Geologic Period. The photograph was taken by Michael C. Hansen in January 1978.
Columnar joints in the Black Hand Sandstone of the Cuyahoga Formation that forms Old Man's Cave at Hocking Hills State Park, Hocking County, Ohio. Old Man's Cave is a large rock shelter in the northwest valley wall of Old Man's Creek. It is formed in the weakly cemented crossbedded middle zone of the Black Hand Sandstone. The rock shelter cave is about 200 feet long, 50 feet high, and 75 feet deep. The resistant uppermost zone of the Black Hand sandstone forms the roof of the cave. Bedrock is from the Mississippian Geologic Period.
The Lower Falls at Hocking Hills State Park, Hocking County, Ohio. Downstream from Old Man's Cave, Old Man's Creek encounters the resistant lowermost zone of the Black Hand Sandstone and cascades into a broad plunge pool as a scenic waterfall known as the Lower Falls. A large rock shelter is developed behind the waterfall. At the base of the rock shelter the contact between the Fairfield Shale and the Black Hand Sandstone Members of the Cuyahoga Formation can be seen. Bedrock is from the Mississippian Geologic Period. This photograph was an entry in the 1983 Ohio Geology Slide Contest.
An outcrop of Black Hand Sandstone of the Cuyahoga Formation at Crane Hollow State Nature Preserve. Jane Ann and William Ellis organized Crane Hollow, Inc., in 1980 as a private, non-profit corporation that owns and administers the Crane Hollow Nature Preserve. The preserve encompasses more than 1,940 acres in Hocking County, Ohio. Access is by permit only to the 1,286 acres dedicated as a state nature preserve with the Ohio Department of Natural Resources, Division of Natural Areas and Preserves. Crane Hollow State Nature Preserve is part of the unglaciated Allegheny Plateau, with elevations from 780 feet to 1,140 feet. Bedrock is from the Mississippian Geologic Period.
map background search result map search result map Beach City Dam, Tuscarawas County, Ohio, 1981 Benwood Limestone, Morgan County, Ohio, 1979 Hockingport Sandstone at Hockingport, Athens County, Ohio, 1988 Waynesburg Sandstone at Reedsville, Meigs County, Ohio, 1970 Serpent Mound Impact Structure Near Peebles, Adams County, Ohio, 1998 Landsat Thematic Mapper Satellite Image of the Serpent Mound Impact Structure, Adams County, Ohio, 1994 Rock Specimen from the Serpent Mound Impact Structure Near Peebles, Adams County, Ohio, 1972 Rock Specimen from the Serpent Mound Impact Structure Near Peebles, Adams County, Ohio, 1972 Rock Specimen from the Serpent Mound Impact Structure Near Peebles, Adams County, Ohio, 1972 Core Sample DGS 3274 from the Serpent Mound Impact Structure Near Peebles, Adams County, Ohio, 1996-2003 Core Sample DGS 3274 from the Serpent Mound Impact Structure Near Peebles, Adams County, Ohio, 1996-2003 Core Sample DGS 3274 from the Serpent Mound Impact Structure Near Peebles, Adams County, Ohio, 1996-2003 Core Sample DGS 3274 from the Serpent Mound Impact Structure Near Peebles, Adams County, Ohio, 1996-2003 Lewis Mine Slopes, Weathersfield Township, Trumbull County, Ohio, 1941 Mahoning Coal Company No. 4 Mine Dump in Hubbard Township, Trumbull County, Ohio, 1941 Rock House at Hocking Hills State Park, Hocking County, Ohio, 1945 Old Man'sCave at Hocking Hills State Park, Hocking County, Ohio, 1978 Old Man's Cave at Hocking Hills State Park, Hocking County, Ohio The Lower Falls at Hocking Hills State Park, Hocking County, Ohio, 1983 Crane Hollow State Nature Perserve, Hocking County, Ohio