Louisiana geologic map data

A GIS database of geologic units and structural features in Louisiana, with lithology, age, data structure, and format written and arranged just like the other states.

View:

Show in a web browser window:

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

Show in Google Earth or download KML:

lageol.kml (13.2M bytes)
lageol.kmz (4.6M bytes)

Show in your GIS using OGC WMS:

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

or OGC WFS:

http://mrdata.usgs.gov/services/la?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:	LAcsv.zip	CSV format
Geologic units:	LAgeol_dd.zip	Shapefile, polygon
Faults:	LAfaults_dd.zip	Shapefile, arcs
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 2005-1351: Preliminary integrated geologic map databases for the United States: Central states: Montana, Wyoming, Colorado, New Mexico, North Dakota, South Dakota, Nebraska, Kansas, Oklahoma, Texas, Iowa, Missouri, Arkansas, and Louisiana
http://pubs.usgs.gov/of/2005/1351/
Methodology:: Detailed report of data standardization procedures
http://pubs.usgs.gov/of/2005/1351/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:

United States Geological Survey, 1998, Digital Overlay of the Geologic Map of Louisiana: U.S. Geological Survey, Biological Resources Division, National Wetlands Research Center, Product Id USGS-NWRC 1984-02-0001, http://www.nwrc.usgs.gov/.