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Book Chapter

Recent Peat Diapirs in the Netherlands: A Comparison with Gulf Coast Salt Structures1

By
William R. Paine
William R. Paine
Lafayette, Louisiana 70506
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Published:
January 01, 1968

Abstract

Peat diapirs 3-4 ft high are found in Recent sediments of the Flevoland, The Netherlands. The peat (Lower Peat) was deposited approximately 7,000 years ago on an eroded Pleistocene surface. The 4 to 6 ft of sediments which overlies the peat includes, from oldest to youngest, Unio Clay, Cardium Clay, Young Peat, and Almere and Zuiderzee deposits. Small-scale diapiric folds and related structures, similar to the larger Gulf Coast structures, are present in the Recent deposits on the flanks of several elongate Pleistocene sand ridges. The structures most like those of the Gulf Coast are down-to-the-basin normal faults, rim synclines, and, in one place, a central graben. The diapiric folds are found where the dip of the onlapping Recent sediments increases along the flanks of the sand ridges. The folds probably resulted from peat flowage down the ridge slopes. The time of diapirism can be dated as about 1,000 to 1,500 years B.P., inasmuch as the overlying Zuiderzee deposits (400 years B.P.) generally are not involved.

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Contents

AAPG Memoir

Diapirism and Diapirs: a symposium

Jules Braunstein
Jules Braunstein
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Gerald D. O’Brien
Gerald D. O’Brien
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American Association of Petroleum Geologists
Volume
8
ISBN electronic:
9781629812304
Publication date:
January 01, 1968

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