Database of the Geologic Map of North America: Adapted from the Map by J.C. Reed, Jr. and others (2005)

Data Series 424
Prepared in cooperation with the Geological Society of America
By:  and 

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Introduction

The Geological Society of America's (GSA) Geologic Map of North America (Reed and others, 2005a; 1:5,000,000) shows the geology of a significantly large area of the Earth, centered on North and Central America and including the submarine geology of parts of the Atlantic and Pacific Oceans. This map is now converted to a Geographic Information System (GIS) database that contains all geologic and base-map information shown on the two printed map sheets and the accompanying explanation sheet. We anticipate this map database will be revised at some unspecified time in the future, likely through the actions of a steering committee managed by the GSA and staffed by scientists from agencies including those responsible for the original map compilation.

Regarding the use of this product, as noted by the map's compilers:
“The Geologic Map of North America is an essential educational tool for teaching the geology of North America to university students and for the continuing education of professional geologists in North America and elsewhere. In addition, simplified maps derived from the Geologic Map of North America are useful for enlightening younger students and the general public about the geology of the continent.”

With publication of this database, the preparation of any type of simplified map is made significantly easier. More important perhaps, the database provides a more accessible means to explore the map information and to compare and analyze it in conjunction with other types of information (for example, land use, soils, biology) to better understand the complex interrelations among factors that affect Earth resources, hazards, ecosystems, and climate.

Suggested Citation

Garrity, C.P., and Soller, D.R., 2009, Database of the Geologic Map of North America; adapted from the map by J.C. Reed, Jr. and others (2005): U.S. Geological Survey Data Series 424 [https://pubs.usgs.gov/ds/424/].

ISSN: 2327-638X (online)

ISSN: 2327-0271 (print)

Study Area

Table of Contents

  • Introduction
  • History
  • Process Step Overview
  • Source Map Registration Errors
  • Database Design and Feature Class Attribution
  • Acknowledgments
  • References Cited

Additional publication details

Publication type Report
Publication Subtype USGS Numbered Series
Title Database of the Geologic Map of North America: Adapted from the map by J.C. Reed, Jr. and others (2005)
Series title Data Series
Series number 424
DOI 10.3133/ds424
Edition Version 1.0
Year Published 2009
Language English
Publisher U.S. Geological Survey
Publisher location Reston, VA
Contributing office(s) Central Region Earth Surface Processes
Description Report: iii, 7 p.Database; Metadata; ReadMe
Online Only (Y/N) N
Additional Online Files (Y/N) Y
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