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This digital map database represents an update to the contact lines, geologic map units, and map unit descriptions found on the 1993 Geologic Map of Virginia and is intended to show the generalized geology of the state. The database also provides surficial geologic units derived from 10-meter LIDAR and new geologic mapping (where available) as a separate feature class. It is recommended that users not use the data beyond the recommended scale range of 1:100,000. Users requiring more detailed geologic mapping should refer to the original geologic map citation found the "DataSources" field of the various feature classes and non-spatial tables. |
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This digital map database represents an update to the contact lines, geologic map units, and map unit descriptions found on the 1993 Geologic Map of Virginia and is intended to show the generalized geology of the state. The database also provides surficial geologic units derived from 10-meter LIDAR and new geologic mapping (where available) as a separate feature class. It is recommended that users not use the data beyond the recommended scale range of 1:100,000. Users requiring more detailed geologic mapping should refer to the original geologic map citation found the "DataSources" field of the various feature classes and non-spatial tables. |
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This digital database was prepared and edited by Witt, A.C., Heller, M.J., Occhi, M.E., Spears, D.B., Lang, K.E., Berquist, C.R. Jr. and Prince, P.S. |
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This digital map database represents the general distribution of surficial and bedrock geologic units mapped in the Commonwealth of Virginia and compiled at a nominal scale of 1:250,000. New and modified geologic contacts were digitized on screen by geologists at approximately 1:24,000 from maps that ranged from 1:24,000 to 1:250,000-scale. The database delineates map units that are identified by general age and lithology, generally following the stratigraphic nomenclature of the U.S. Geological Survey (USGS). This metadata report provides an overview of the data content of this GeMS geodatabase and associated files. |
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This dataset is not precise beyond 1:100,000-scale and is not for use at scales larger than 1:100,000. Any derivative products utilizing these datasets shall clearly indicate their source. If users modify the data in any way they are obligated to describe the types of modifications they have performed. User specifically agrees not to misrepresent these datasets, nor to imply that changes they made were approved by the Virginia Department of Energy. |
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Non-spatial table Glossary, part of Statewide Geologic Map Database of Virginia: Virginia Department of Energy, Geology and Mineral Resources Program, Open-file Report 2021-12, scale 1:250,000. |
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["geoscientificInformation","geologic","geologic contacts","geologic mapping","surficial geologic units","geologic maps","geomorphology","surficial geologic maps","geological map","geologic faulting","geologic formations","Blue Ridge","Appalachian Plateau","Valley and Ridge","Piedmont","Virginia","Coastal Plain"] |
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en-US |
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