Basement Tectonics 8: Characterization and Comparison of Ancient and Mesozoic Continental Margins PDF
Preview Basement Tectonics 8: Characterization and Comparison of Ancient and Mesozoic Continental Margins
BASEMENT TECTONICS 8 Proceedings of the International Conferences on Basement Tectonics VOLUME 2 The titles published in this series are listed at the end a/this volume. BASEMENT TECTONICS 8 Characterization and Comparison of Ancient and Mesozoic Continental Margins Proceedings of the Eighth International Conference on Basement Tectonics, held in Butte, Montana, USA, August 1988 Edited by MERVIN J. BARTHOLOMEW Earth Sciences ami Resources Institute, University of South Carolina, Columbia, SC, USA DONALD W. HYNDMAN Department ofGeology, University of Montana, Missoula, MT, USA DA VID W. MOGK Department of Earth Sciences, Montana State University, Bozeman, MT, USA and ROBERT MASON Department of Geological Sciences, Queen's University, Kingston, Ontario, Canada SPRINGER SCIENCE+BUSINESS MEDIA, B.V. Library of Congress Cataloging-in-Publication Data International Conference on Basement Tectonics (8th 1988 Butte, Mont. ) Basement tectonics 8 characterization and comparison of ancient and Mesozoic continental margins proceedings of the Eighth International Conference on Basement Tectonics, Butte, Montana, USA, August 8-12, 1988 I edited by Mervin J. Bartholomew ... [et al.l. p. cm. -- (Proceedings of the International Conferences on Basement Tectonics ; v. 2) Inc 1u des index. ISBN 978-94-010-4703-6 ISBN 978-94-011-1614-5 (eBook) DOI 10.1007/978-94-011-1614-5 1. Geology, Structural--Congresses. 2. Continental margins -Congresses. 3. Geology,Stratigraphic--Meso2oic--Congresses. 4. Geology, Stratigraphic--Precambrian--Congresses. 5. Geology, Stratigraphic--Paleozoic--Congresses. 1. Bartholomew, Mervin J. II. Title. III. Title, Basement tectonics eight. IV. Series. QE601.I6 1988 551.8--dc20 92-41537 ISBN 978-94-010-4703-6 Printed on acid-free paper AII Rights Reserved © 1992 Springer Science+Business Media Dordrecht Originally published by Kluwer Academic Publishers in 1992 Softcover reprint of the hardcover 1s t edition 1992 No part of the material protected by this copyright notice may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording or by any information storage and retrieval system, without written permission from the copyright owner. CONFERENCE COMMITTEES CHAIR Mervin J. Bartholomew Earth Sciences & Resources Institute, University of South Carolina" Columbia, SC 29208 USA PROGRAM COMMITTEE Donald W. Hyndman Department of Geology, University of Montana, Missoula, MT 59812, USA David W. Mogk Department of Earth Sciences, Montana State University, Bozeman, MT 59717, USA Robert Mason Department of Geological Sciences, Queen's University, Kingston, Ontario, K7L 3N6, Canada FIELD TRIP COMMITTEE Sharon E. Lewis Environmental Restoration Department, Westinghouse Savannah River Company, P.O. Box 616, Aiken, SC 29802, USA Richard B. Berg Montana Bureau of Mines & Geology, Montana Tech, Butte, MT 59701, USA Bill Bonnichsen Tdaho Geological Survey, University of Idaho, Moscow, ID 83843, USA J. Michael O'Neill U.S. Geological Survey, Denver Federal Center, Denver, CO 80225, USA TECHNICAL EDITING COMMITTEE Mervin J. Bartholomew Earth Sciences & Resources Institute, University of South Carolina, Columbia, SC 29208, USA Constance M. Prynne Earth Sciences & Resources Institute, University of South Carolina, Columbia, SC 29208, USA William B. Macgregor Humanities & Social Sciences Division, Montana Tech, Butte, MT 59701, USA Brenda C. Sholes Montana Bureau of Mines & Geology, Montana Tech, Butte, MT 59701, USA v INTERNATIONAL BASEMENT TECTONICS ASSOCIATION, INC. 675 South 400 East, Salt Lake City, Utah 84111, USA TRUSTEES (1988 -1990) CHIEF TRUSTEE / CHAIRMAN OF THE BOARD OF TRUSTEES John J. Gallagher, Jr. ARCO Oil and Gas Company 2300 West Plano Parkway Plano, TX 75075, USA DEPUTY CHIEF TRUSTEE Patrick J. Barosh 35 Potter Street Concord, MA 01742, USA ASSOCIATE TRUSTEE / TREASURER Douglas F. Black U.S. Geological Survey, National Center Reston, VA 22092, USA DEPUTY TRUSTEE M. James Aldrich Los Alamos National Laboratory, MSD-462 Los Alamos, NM 87545, USA ASSISTANT TRUSTEE / SECRETARY John James Prucha Department of Geology, Syracuse University Syracuse, NY 13244, USA vi INTERNA TION AL BASEMENT TECTONICS ASSOCIATION PUBLICATION NO.8 FOREWORD The 8th International Conference on Basement Tectonics was held in Butte, Montana, August 8-12,1988. Historically, basement tectonics conferences have focused on such topics as reactivation of faults, the influence of basement faults on metallogeny and hyrocarbon accumulation, and the use of geophysical and remote sensing techniques to interpret subsurface and surface geology. The 8th Conference diverged from past conferences in that a unifying theme was selected. Because ancient major terrane or cratonic boundaries are often postulated to be fault zones which are subsequently reactivated, the conference was organized to examine all aspects of ancient continental margins and terrane boundaries and to compare younger (Mesozoic) ones, about which more is known, with older (Paleozoic and Precambrian) ones. Moreover, because the 8th Conference was held in the northwestern United States, a greater emphasis was placed on the Mesozoic margin of western North America and the North American shield. The seven oral sessions and four poster sessions all dealt with aspects of the conference theme: characterization and comparison of ancient continental margins. The organizers extend their thanks to those individuals who graciously consented to serve as moderators for the oral sessions: John M. Bartley, Mark S. Gettings, M. Charles Gilbert, John M. Guilbert, Donald W. Hyndman, William P. Leeman, Robert Mason, and A. Krishna Sinha. The program with abstracts volume was prepared by S. E. Lewis and M. J. Bartholomew. Ninety percent of the submitted manuscripts were accepted for publication in this proceedings volume after peer review by at least two reviewers and appropriate revision. These forty-eight papers and three extended abstracts make up the first six chapters of this volume. Some papers deal with more than one aspect of ancient continental margins, so the editors placed each paper in the chapter which appeared to be most relevant. Abstracts for the other thirty-six conference presentations are presented in Chapter 7. The time, effort, and patience of the reviewers listed overleaf is greatly appreciated, particularily those many reviewers who consented to review two papers. The 8th Conference was preceded by a field trip across Precambrian terranes in Montana and Wyoming. The post-meeting field trip crossed from the Mesozoic cratonic area into accreted terranes in Idaho and Oregon. The eleven field guides for these excursions and eleven papers on related geology were published for the 8th Conference by the Montana Bureau of Mines and Geology (Lewis and Berg, 1988).* Financial support for the 8th Conference and for the plate margins and field guide volume was primarily provided through the Office of Basic Energy Sciences, U.S. Department of Energy Grant number DE-FG02- 88ER13962 (to Bartholomew). ARCO Oil and Gas Company provided funds for preparation of the circular used to advertise the 8th Conference. Financial support for publication of this proceedings volume was primarily provided through the Office of Basic Energy Sciences, U.S. Department of Energy Grant number DE-FG02- 91ER14201 (Bartholomew), and through the Earth Sciences & Resources Institute, University of South Carolina (Bartholomew). Additional financial support was obtained through grants from the Research and Scholarly Activities Committee, Montana Tech (Bartholomew), the Office of Research Administration, University of Montana (Hyndman), the Department of Geology, University of Montana (Hyndman), the Department of Earth Sciences, Montana State University (Mogk), and the Department of Geological Sciences, Queen's University (Mason). All contributions are greatly appreciated. Assistance with page layout, drafting, and photography was provided by John W. Jones and Ric Pantonial in Columbia, South Carolina, and by Mayrose E. Tompkins, Roger Holmes, Robert Dal Porto, Kristine L. Shifty, Dana M. Penrose, and Laurie M. Boyle in Butte, Montana. *LEWIS, S. E., and R. B. BERG (eds.), 1988, Precambrian and Mesozoic Plate Margins: Montana, Idaho and Wyoming, with Field Guides for the 8th International Conference on Basement Tectonics (August 1988): Montana Bureau of Mines and Geology, Special Publication 96, 195 p. vii INTERNATIONAL BASEMENT TECTONICS ASSOCIATION PUBLICATION NO.8 REVIEWERS OF MANUSCRIPTS The Editors extend their thanks to the following individuals who graciously consented to serve as reviewers for manuscripts which were considered for publication in this proceedings volume: M. James Aldrich Gautam Mitra Elaine A. Aliberti Alan P. Morris DavidAlt Sharon Mosher Fred Barker LeRoy A. Odom Richard B. Berg Jim Oliver Steven C. Bergman J. Michael O'Neill Andy R. Bobyarchick K. Howard Polsen Ronald A. Burwash Karen W. Porter Dugald M. Carmichael Robert P. Raeside Alan Clark Michael R. Rampino John K. Costain Douglas W. Rankin Stewart S. Farrar Nicholas Rast Michael F. FolIo Brady P. Rhodes John J. Gallagher, Jr. Francois Robert M. Charles Gilbert Edwin S. Robinson Arthur Goldstein Christopher J. Schmidt John W. Goodge James G. Schmitt John M. Guilbert Klaus J. Schulz Vicki L. Hansen James W. Sears Norman L. Hatch, Jr. Donald T. Secor Robert D. Hatcher, Jr. Mark A. Sholes Herwart H. Helmstaedt Carol Simpson Darrell J. Henry A. Krishna Sinha Robert J. Hooper WalterS. Snyder Scott S. Hughes J. Alexander Speer Jonathan Husch Edgar W. Spencer Harold L. James William A. Thomas David Jones Richard P. Tollo Stephen A. Kish James F. Tull Byron Kulander Alexis Vo lborth David R. Lageson Neil A. Wells Hans G. Ave Lallemant Donald U. Wise IanM. Lange Charles Wood Sharon E. Lewis Joseph L. Wooden Michael T. Lukert Lee A. Woodward Calvin F. Miller Gerald A. Zieg viii INTERNA TION AL BASEMENT TECTONICS ASSOCIATION PUBLICATION NO.8 TABLE OF CONTENTS FOREWORD ..................................................................... . vii CHAPTER 1: CONCEPTS, TECHNIQUES, AND AMBIGUITIES ....................................... 1 Evolution of convergent plates 3 W. B. Hamilton Ancient collisional continental margins in the Canadian Shield: Geophysical signatures and derived crustal transects ........................................................................... 5 M.D. Thomas Tectonothermics of modern and ancient continental margins 27 M. J.Drury Geochronological studies offault-related rocks 37 P. D. Fullagar The importance of subduction-related margin-parallel shear zones along transpressional convergent plate margins ......................................................................... 51 V. L. Hansen Kinematic indicators in shear zones 67 C. K.Mawer Zone of weakness concept: A review and evaluation 83 J. J. Prucha Petrogenetic evaluation oftrace element discrimination diagrams 93 F. a.Dudas Metallogeny at Precambrian and Mesozoic continental margins 129 J. M. Guilbert IX INTERNATIONAL BASEMENT TECTONICS ASSOCIATION PUBLICATION NO.8 CHAPTER 2: CORDILLERAN MESOZOIC MARGIN .............................................. 143 Post-Archean crustal evolution, terrane accretion, and metamorphism of the Western Cordillera, with emphasis on northern and central California ....................................... 145 W. G. Ernst Mesozoic and Cenozoic intrusions and batholiths of the circum-Pacific region as analogues of pre-Phanerozoic batholiths: A summary ........................................................ 169 D.A.Brew Island-arc evolution and fracture-zone tectonics in the Mesozoic Sierra Nevada, California, and implications for transform offset of the SierranIKlamath convergent margins ..................... 179 Y. Dilek and E. M. Moores Problems concerning collisional vs noncollisional deformation at continental-margin orogens, with an example from the Mesozoic Cordilleran orogen ..................................... 197 S. H. Edelman Plutonism across the Tujunga-North American terrane boundary: A middle to upper crustal view of two juxtaposed magmatic arcs ...................................................... 205 J. L. Anderson, A. P. Barth, E. D. Young, E. E. Bender, M. J. Davis, D. L. Farber, E. M. Hayes, and K. A. Johnson Geophysical investigations of the cratonic margin in the Pacific Northwest (USA) 231 R. L. Thiessen, K. R. Johnson, and G. B. Mohl Sedimentation and basin evolution along the Mesozoic margin of western North America 241 W. L. Bilodeau Thick-skinned overstep tectonics in the Jurassic Winnemucca fold-and-thrust belt, north-central Nevada, U.S.A.: Evidence from the Sonoma Range ................................... 249 S. D. Stahl CHAPTER 3: PRECAMBRIAN MARGINS ........................................................ 263 Generation of granitoids at Archaean continental margins in southern Africa 265 D. R. Hunter The northern Wyoming Province: Contrasts in Archean crustal evolution 283 D. W. Mogk, P. A Mueller, J. L. Wooden, and D. R.Bowes Evidence for the amalgamation of Archean oceanic and continental blocks to form the Beartooth Plateau ........................................................................... 299 J. K. Meen x
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