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Book Chapter

Evolution of the Tithonian–Aptian Carbonate Platform Along the Northern Tethyan Margin, Eastern Helvetic Alps

By
Hanspeter Funk
Hanspeter Funk
Geological Institute Swiss Federal Institute of Technology Zürich, Switzerland
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Karl B. Föllmi
Karl B. Föllmi
Geological Institute Swiss Federal Institute of Technology Zürich, Switzerland
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Hans Mohr
Hans Mohr
Geological Institute Swiss Federal Institute of Technology Zürich, Switzerland
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Published:
January 01, 1993

Abstract

Name: Eastern Helvetic platform

Authors: Hanspeter Funk, Karl B. Föllmi, and Hans Mohr

Location: From 46° 40' to 47° 20' north latitude and 8° 40' to 9° 40' east longitude, Helvetic Alps, eastern Switzerland

Geologic time interval: Late Tithonian–early Albian

Tectonic-sedimentary setting: Northern Tethyan passive margin

Basin type: Epeiric

Paleoclimate: Mainly subtropical, varying humidity, with some cooler intervals

Platform type: Open shelf carbonate platform, homoclinal ramp type

Platform geometry: Minimum platform length is about 1500 km; width may surpass 100 km in several parts of the margin. Platform thicknesses are variable, with maximum platform thickness exceeding 1 km.

Facies and fossils: Fine- to coarse-grained carbonates, mudstones, claystones, and marlstones; glauconitic, siliciclastic, and phosphatic sediments; calpionellids, orbitolinids, corals, rudists, ammonoids, and echinoderms.

Systems tracts: Transitional, tidal flat, lagoonal, open platform, platform margin, slope, basin

Stacking patterns: Succession of shallowing and drowning phases with short intervals of subaerial exposure

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Contents

AAPG Memoir

Cretaceous Carbonate Platforms

J. A. Toni Simo
J. A. Toni Simo
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Robert W. Scott
Robert W. Scott
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Jean-Pierre Masse
Jean-Pierre Masse
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American Association of Petroleum Geologists
Volume
56
ISBN electronic:
9781629810973
Publication date:
January 01, 1993

GeoRef

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