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Book Chapter

Line Bfb (24-Fold Stack) from the Norwegian Continental Margin / Outer Voring Plateau

By
K. Hinz
K. Hinz
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Published:
January 01, 1983

Abstract

A wedge-shaped, oceanward-dipping complex underlies a distinct unconformity beneath which basalts were drilled during Leg 38 of the Deep Sea Drilling Project. Geophysical surveys demonstrated that the oceanward-dipping complex of reflectors forms an elongated wedge, 20 to 60 km (12.4 to 37.2 mi) wide, parallel to the Norwegian coast. Similar wedges of oceanward-dipping subacoustic basement reflectors have been observed off South Greenland and the Rockall Plateau, on the Southwest African margin and on the Abutment Plateau/Walvis Ridge, in the Argo abyssal plain off Northwest Australia, in areas of the Baltimore Canyon Trough and Georges Bank off the eastern United States, off Kathiawar Peninsula/India and on the continental margin of the Weddell Sea, Antarctica. Their characteristic and common features are:

1) an oceanward dipping, divergent reflection pattern;

2) a distinct unconformity at the upper boundary of the oceanward-dipping, divergent reflection pattern;

3) the dip of the individual reflectors increases slightly oceanward;

4) individual reflectors have a gentle upward convexity;

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Contents

AAPG Studies in Geology

Seismic Expression of Structural Styles: A Picture and Work Atlas. Volume 1–The Layered Earth, Volume 2–Tectonics Of Extensional Provinces, & Volume 3–Tectonics Of Compressional Provinces

A. W. Bally
A. W. Bally
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American Association of Petroleum Geologists
Volume
15
ISBN electronic:
9781629810188
Publication date:
January 01, 1983

GeoRef

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