Montana geologic map data

A GIS database of geologic units and structural features in Montana, 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/mt.html

Show in Google Earth or download KML:

mtgeol.kml (18.4M bytes)
mtgeol.kmz (6.4M bytes)

Show in your GIS using OGC WMS:

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

or OGC WFS:

http://mrdata.usgs.gov/services/mt?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:	MTcsv.zip	CSV format
Geologic units:	MTgeol_dd.zip	Shapefile, polygon
Faults:	MTfaults_dd.zip	Shapefile, arcs
Dikes:	MTdikes_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:

Raines, G.L. and Johnson, B.R., 1995, Digital representation of the Montana stage geologic map: a contribution to the Interior Columbia River Basin Ecosystem Management Project: U.S. Geological Survey Open-File Report 95-691, 21 p.; http://pubs.usgs.gov/