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Decade of North American Geology Geologic Map of North America—Perspectives and explanation

By
John C. Reed, Jr.
John C. Reed, Jr.
U.S. Geological Survey, MS 980, Denver Federal Center, Denver, Colorado 80225, USA
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John O. Wheeler
John O. Wheeler
Geological Survey of Canada, 605 Robson Street, Vancouver, British Columbia V6B 5J3, Canada
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Brian E. Tucholke
Brian E. Tucholke
Woods Hole Oceanographic Institution, Department of Geology and Geophysics, MS 22, Woods Hole, Massachusetts, 02543-1541, USA
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Will R. Stettner
Will R. Stettner
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David R. Soller
David R. Soller
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Published:
January 01, 2005

Abstract

The idea that the Decade of North American Geology (DNAG) project should include preparation of a new geologic map of the continent was conceived early in the DNAG planning process. The minutes of a meeting of the Steering Committee chaired by L.T. Silver on January 29–30, 1980, record that:

It was generally agreed that the geographic scope [of the DNAG project] would extend from the Arctic Ocean on the north to the southern limits of the Caribbean plate; from the Mid-Atlantic ridge on the east to the Pacifi c plate in the approximate vicinity of Hawaii. The emphasis would be placed on the geology of the continent; the adjacent sea fl oor would be carried as it is related to the continental story.…

At the same meeting “the need for a new geologic map was discussed extensively with some disagreement.” However, at a meeting in May of the same year, a subcommittee appointed to examine the need for a new geologic map unanimously supported the proposal. It estimated that publication costs might be as much as $200,000, compilation costs might be $500,000, and the time required for compilation would be about 5 years. The Steering Committee agreed that a new geologic map covering the area of the DNAG project was needed, and placed compilation of the map on the list of official DNAG efforts.

By May 1981, the compilers and principal cartographers had been selected, the base map chosen, the essential features of the explanation agreed upon, and

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Contents

DNAG, Continent-Scale Map Series

Decade of North American Geology Geologic Map of North America—Perspectives and explanation

John C. Reed, Jr.
John C. Reed, Jr.
U.S. Geological Survey, MS 980, Denver Federal Center, Denver, Colorado 80225, USA
Search for other works by this author on:
John O. Wheeler
John O. Wheeler
Geological Survey of Canada, 605 Robson Street, Vancouver, British Columbia V6B 5J3, Canada
Search for other works by this author on:
Brian E. Tucholke
Brian E. Tucholke
Woods Hole Oceanographic Institution, Department of Geology and Geophysics, MS 22, Woods Hole, Massachusetts, 02543-1541, USA
Search for other works by this author on:
Will R. Stettner
Will R. Stettner
Search for other works by this author on:
David R. Soller
David R. Soller
Search for other works by this author on:
Geological Society of America
Volume
1
ISBN electronic:
9780813754178
Publication date:
January 01, 2005

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