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Book Chapter

Review of Early Results from Drilling of the IPOD-1 Active Margin Transects Across the Japan, Mariana, and Middle-America Convergent Margins

By
Roland von Huene
Roland von Huene
U.S. Geological Survey
Menlo Park, California 94025 U.S.A.
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Published:
January 01, 1981

Abstract

IPOD transects across convergent margins have provided time stratigraphic and environmental information to support the general concepts of spreading during the opening of backarc basins and tectonic accretion at the front of the underthrust plate. Three convergent margins are without large accretionary complexes, and other less frequently applied concepts are necessary to interpret them. Much sediment is subducted beneath the four margins investigated; along all of the margins there are periods when the continental framework was truncated and somehow removed by tectonic erosion. Vertical motions have been recorded during active arc magmatism (and, by implication, subduction) including not only uplift but also equally rapid subsidence. Off Japan the seaward part of the margin subsided from above sea level to 6 km depth. The scope of tectonic processes along convergent margins is much greater than was anticipated when the program was first planned.

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Contents

SEPM Special Publication

The Deep Sea Drilling Project: A Decade of Progress

John E. Warme
John E. Warme
Colorado School of Mines, Golden Colorado.
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Robert G. Douglas
Robert G. Douglas
University of Southern California, Los Angeles California
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Edward L. Winterer
Edward L. Winterer
Scripps Institution of Oceanography, La Jolla California
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SEPM Society for Sedimentary Geology
Volume
32
ISBN electronic:
9781565761629
Publication date:
January 01, 1981

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