-1 - U.S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Migration of the Acadian Orogen and Foreland Basin across the Northern Appalachians1 By Dwight C. Bradley2, Robert D. Tucker3, Daniel R. Lux4, Anita G. Harris5, and D. Colin McGregor6 OPEN-FILE REPORT 98-770 This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards or with the North American Stratigraphic Code. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. government. 1998 1 This Open-File Report is being released in advance of a Professional Paper with the same title and authors, which is working its way through the publication process as of November 1998. 2 U.S. Geological Survey, 4200 University Drive, Anchorage, AK 99508.
[email protected] 3 Dept. of Earth and Planetary Sciences, Washington University, 1 Brookings Drive, St. Louis, MO 63130 4 Dept. of Geological Sciences, University of Maine, Orono, ME 04469 5-U.S. Geological Survey, MS 926A, Reston, VA 20192 6 Retired; formerly at Geological Survey of Canada, 601 Booth St., Ottawa, Ontario, K1A OE8 -2- CONTENTS Abstract ..................................................................................................... 4 Introduction................................................................................................. 4 Acknowledgments......................................................................................... 5 Regional Geology.........................................................................................