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Jun
3
Written by:
news editor
6/3/2010 1:00 AM
6/3/2010 ODNR, Division of Geological Survey has released a series of detailed maps that identify and describe the nature and thicknesses of Ohio’s glacial deposits.
Ohio Geological Survey Releases Detailed Glacial Geology Maps
New maps will benefit business, industry and research efforts
COLUMBUS, OH – As part of its ongoing effort to map the glacial geology for the entire state, the Ohio Department of Natural Resources (ODNR), Division of Geological Survey has released a series of detailed maps that identify and describe the nature and thicknesses of Ohio’s glacial deposits.
Materials shown on the maps include sand and gravel, fine-grained sediments, clay, organic materials and even bedrock. Consequently, glacial geology maps have many uses. For example, aggregate and mineral industries can use them to identify sand-and-gravel-rich areas and areas of thin glacial drift over mineable bedrock. Other users include community and regional planners, solid-waste disposal companies, construction professionals, engineers, soil and water resource specialists, and researchers. The division will gladly explain the interpretation and use of these valuable tools.
“These maps are a vast improvement over our previously released Quaternary Geology of Ohio map, which only shows about the top 4-5 feet of materials,” said Mike Angle, supervisor of the division’s Geologic Mapping and Industrial Minerals Group. “The new maps summarize the state’s glacial geology for tens and even hundreds of feet, from the land surface to the top of bedrock.”
While the glacial mapping series does not represent the entire state—only about 60 percent of the state was glaciated—the mapping to date accounts for nearly 80 percent of Ohio’s glaciated areas. Exceptions include northwestern Ohio and river valleys in the east and southeastern portions of the state.
The division’s glacial mapping efforts are funded by grants from the U.S. Geological Survey (USGS) STATEMAP program, a component of the National Cooperative Geologic Mapping Program (NCGMP), and by severance taxes paid by Ohio’s mineral industries. To learn more about the NCGMP, log on to the USGS Web site at http://ncgmp.usgs.gov.
The glacial geology maps are available for free download. To learn more, log on to the ODNR Division of Geological Survey Web site at www.ohiodnr.com/geosurvey.
The Ohio Department of Natural Resources ensures a balance between wise use and protection of our natural resources for the benefit of all. Visit the ODNR Web site at www.ohiodnr.com.
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For more information, contact:
Mike Angle, ODNR Geological Survey
614. 265. 6602
Heidi Hetzel-Evans, ODNR Media Relations
614. 265. 6860
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