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From Aggradation to Progradation: The Maiella Platform, Abruzzi, Italy

By
Gregor P. Eberli
Gregor P. Eberli
Geological Institute ΕTH Zürich, Switzerland
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Daniel Bernoulli
Daniel Bernoulli
Geological Institute ΕTH Zürich, Switzerland
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Diethard Sanders
Diethard Sanders
Geological Institute ΕTH Zürich, Switzerland
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Adam Vecsei
Adam Vecsei
Geological Institute ΕTH Zürich, Switzerland
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Published:
January 01, 1993

Abstract

Name: Maiella platform

Authors: Gregor P. Eberli, Daniel Bernoulli, Diethard Sanders, and Adam Vecsei

Location: From 42° 05' to 07' north latitude and 14° 08' to 09' east longitude, provinces of Aquila, Chieti, and Pescara, Italy

Geologic time interval: Early Cretaceous-late Miocene

Tectonic-sedimentary setting: Southern continental margin of Jurassic-Cretaceous Tethyan ocean, part of large late Tertiary sedimentary decollement nappe of the Southern Apennines, exposed in a broad frontal anticline

Basin type: Passive continental margin

Paleoclimate: Generally warm and only seasonally humid, some humid intervals (bauxite); paleolatitude was 10° to 30° north

Platform type: Part of isolated platform with escarpment

Platform geometry: Escarpment changing to low angle slope and distally steepened ramp. Thickness is 2000 m (Lower Cretaceous-upper Miocene). Length exposed north-south is approximately 30 km, probably corner of the large Apulian platform, which is largely buried below Tertiary rocks, approximately more than 400 km (750 km?) long. Width exposed is 10–15 km.

Facies and fossils: Cretaceous shallow water platform margin in the south and a pelagic facies (Scaglia) with intercalated gravity flow deposits in the north, separated by an escarpment. Late Cretaceous platform margin rimmed by rudist biostromes (Hippurites and Caprinides)

Systems tracts and stacking patterns: Unconformities and exposure surfaces separate sequences; onlap and downlap patterns occur in the sequences. Platform highstand systems tracts composed of aggradational and progradational parasequences with rudist biostromes at the margin. Basin assemblage of pelagic deposits and turbidites (biodetritus) deposited during sea level highstands. Lowstand systems tracts have incised channel fills, small slope fans, and gravity flow deposits. Transgressive systems tracts hard to distinguish from highstand systems tracts.

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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

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