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Mineral Resources > Online Spatial Data > Geology > by state

Delaware geologic map data

[Legend for lithology colors]

View:

Show in a web browser window:

http://mrdata.usgs.gov/sgmc/de.html

Show in Google Earth or download KML:

• degeol.kml (1.1M bytes)
• degeol.kmz (362k bytes)

Show in your GIS using OGC WMS:

http://mrdata.usgs.gov/services/de?service=WMS&version=1.1.1&request=GetCapabilities& [Instructions]

or OGC WFS:

http://mrdata.usgs.gov/services/de?service=WFS&version=1.0.0&request=GetCapabilities& [Instructions]

Use lithology_symbology.lyr ArcGIS layer file to symbolize lithology when using WFS

Download:

Geological attributes:	DEcsv.zip	CSV format
Geologic units:	DEgeol_dd.zip	Shapefile, polygon
Colors for lithology:	lith6_2.style	ArcMap Style [Instructions]

Metadata:

[Outline] - [Questions & Answers] - [Plain text]

Legend indicating the meaning of colors on the interactive map

Publication:

USGS Open-File Report 2005-1325

Preliminary integrated geologic map databases for the United States : Delaware, Maryland, New York, Pennsylvania, and Virginia

http://pubs.usgs.gov/of/2005/1325/

Methodology:

Detailed report of data standardization procedures

http://pubs.usgs.gov/of/2005/1325/documents/CONUSdocumentation.pdf

GIS style files:

Methods used to create several styles for lithology or geologic time

http://pubs.usgs.gov/of/2005/1314/

Sources:

Spoljaric, Nenad and Jordan, Robert R., 1966, Generalized Geologic Map of Delaware, State of Delaware, Delaware Geological Survey, scale ca. 1:300,000.

Geologic units in Delaware