Bedrock Geologic Map Of Ohio
Typically layouts to publish geologic maps use raster images of cross sections.
Bedrock geologic map of ohio. Projection of data is ohio coordinate system south zone north american datum 1983 includes text color cross section geologic time scale and description of map units. Bedrock geologic map of ohio author s. The 2006 bedrock geologic map of ohio is a work of artistry and science. The publication of this map marks the culmination of a 25 year effort by survey staff to remap the bedrock geology of ohio.
The ohio geological survey has announced a 1 500 000 scale map of the state s bedrock geology. The bedrock geologic map of ohio map bg 1 version 6 0 is based on 788 geologic 7 5 minute quadrangle maps that were produced between 1985 and 1997. In glaciated western and northern ohio the bedrock surface is buried under mainly glacial sediments that can be several hundred feet thick. Slucher e r swinford e m larsen g e schumacher g a shrake d l rice c l caudill.
In southeastern ohio the bedrock surface coincides with present day land surface topography and is depicted by earth tone hues to represent elevation intervals. The map shows the distribution of 46 bedrock formations or combinations of formations occurring at the surface or immediately beneath the surficial deposits mostly glacial that commonly conceal much of the bedrock in ohio. The conversion of the bedrock geology and bedrock topography maps was performed over a 10 year period. The cross section and correlation chart that accompany the actual map are also gis data layers.
Odgs has employed some unique features in compiling the 1 500 000 scale bedrock geology gis for the creation of the final publication layout. It contains an in tricate. 8 digital mapping techniques ʻ03 opportunity to acquire meaningful training in the use of computers and software. Non tangible incentives for the prison inmates assisted in keeping job satisfaction and quality of the gis product at a high level.
The land surface in this region was smoothed by glaciation ﬁ gure 1 and masks a. A bedrock geology map of the bellevue ohio 7 5 minute quadrangle as released in the odgs informal open fi le series. The accompanying text explains not only the characteristics and distribution of the state s various bedrock formations but also details the many economic mineral.
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