Mixed Siliciclastic and Carbonate Platform of Albian–Cenomanian Age from the Iberian Basin, Spain
A. García, M. Segura, J. F. García-Hidalgo, B. Carenas, 1993. "Mixed Siliciclastic and Carbonate Platform of Albian–Cenomanian Age from the Iberian Basin, Spain", Cretaceous Carbonate Platforms, J. A. Toni Simo, Robert W. Scott, Jean-Pierre Masse
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Name: Iberian basin
Authors: A. Garcia, M. Segura, J. F. García-Hidalgo, and B. Carenas
Location: From 42° to 39° 30' north latitude and 3° 30' west to 1° east longitude, Iberian Range, eastern Iberian Peninsula
Geologic time interval: Late Albian (Simplorbitolina conulus) to middle Cenomanian (Praealveolina cretacea)
Tectonic-sedimentary setting: Platform developed in the conjunction of the Iberian aulacogen with the eastern Tethyan margin of the Iberian plate
Basin type: Pericontinental to peri-epicontinental
Paleoclimate: Not well known, probably warm and humid
Platform type: Shallow, open platform; margin not preserved in outcrop.
Platform geometry: Irregular sedimentary prism 300 × 300 km; thicknesses range from 50 to 500 m
Facies and fossils: Intertidal to shallow shelf carbonates and marls. Littoral and continental shales and sandstones. Intertidal areas characterized by stromatolites; shelfal areas by foramol association (benthic foraminifera, pelecypods, gastropods, and echinoderm fragments).
Systems tracts: Fluvial, littoral, shallow shelf
Stacking patterns: Mainly aggradational
Figures & Tables
With the large amount of information from Cretaceous basins available for comparative studies in the early 1990s, it seemed appropriate and timely to make available these regional studies on carbonate platforms, aiming at a convenient and objective presentation in a standard format. This volume represents the result of that effort. It brings together 32 well-documented data sets on carbonate platforms from 17 countries, which represent a significant part of the spectrum of Cretaceous carbonate platforms in different geologic provinces and tectonic settings. Two introductory articles summarize some of the main aspects of the Cretaceous period, carbonate platforms, and economic resources, and review each case study. The objectives of this book are to document styles of formation, growth, and development of Cretaceous carbonate platforms and to compare platform geometries, dimensions, and styles of similar platforms but different tectonic-sedimentary settings.