DGS Geologic Map Series No. 18 (Bethany Beach and Assawoman Bay Quadrangles)

This vector dataset contains the rock unit polygons for the surficial geology in the Delaware Coastal Plain covered by DGS Geologic Map Series No. 18 (Bethany Beach and Assawoman Bay Quadrangles). The geologic history of the surficial units of the Bethany Beach and Assawoman Bay Quadrangles is that of deposition of the Beaverdam Formation and its subsequent modification by erosion and deposition related to sea-level fluctuations during the Pleistocene. The geology reflects this complex history onshore, in Indian River Bay and Assawoman Bay, and offshore in the Atlantic Ocean. Erosion during the late Pleistocene sea-level lowstand and ongoing deposition offshore and in Indian River Bay during the Holocene rise in sea level represents the latest of several cycles of erosion and deposition. An additional dataset of points used to generate rock unit polygons for the surficial geology in the Delaware Coastal Plain covered by DGS Geologic Map Series No. 18 (Bethany Beach and Assawoman Bay Quadrangles) exists for use in conjunction with this dataset. This resource was provided by the Virginia Department of Mines, Minerals, and Energy, Division of Geology and Mineral Resources and made available for distribution through the National Geothermal Data System.

Data and Resources

Metadata Source

Additional Info

Field Value
Citation Date 2014-02-01T00:00:00

Harvest Information

Original ID 6e84ef507102d99c8d5b44d3c2202467
Index Date 2015-01-12T20:09:06Z
Original Format ISO-USGIN
Original Version 1.2

Author

Position missing
Organization Delaware Geological Survey
Email DelGeoSurvey@UDel.EDu

Geographic Extent

North Bound 38.625377768807
South Bound 38.4508178186776
East Bound -74.9989759026743
West Bound -75.1256850398328