Controls on Carbonate Platform and Reef Development

Carbonate platforms and reefs emerge, grow and die in response to intrinsic and extrinsic mechanisms forced primarily by tectonics, oceanography, climate, ecology and eustasy. These mechanisms, or controls, create the physical, biological and chemical signals accountable for the myriad of carbonate depositional responses that, together, form the complex depositional systems present in the modern and ancient settings. If we are to fully comprehend these systems, it is critical to ascertain which controls ultimately govern the “life cycle” of carbonate platforms and reefs and understand how these signals are recorded and preserved. Deciphering which signals produce a dominant sedimentological response from the plethora of physical and biological information generated from superimposed regional to global-scale controls is critical to achieving this goal. With this understanding, it may be possible to extract common time- and space-independent depositional responses to specific mechanisms that may, ultimately, be used in a productive sense. Extensive research on a wide variety of carbonate platform and reefal systems in the past few decades has provided the foundation and understanding necessary to take carbonate research to a new level. With assistance from rapidly advancing computer software and an increasing use of cross-disciplinary integration, carbonate research is shifting from description and morphological analysis towards a science that is more focused on the assessment of process and genetic relationships. The aim of this special publication is to present a cross section of recent research that shows this evolution from a variety of perspectives and scales using examples distributed throughout the Phanerozoic.
Post-Turonian Rudist-Bearing Limestones of the Peri-Tethyan Region: Evolution of the Sedimentary Patterns and Lithofacies in the Context of Global Versus Regional Controls
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Published:January 01, 2008
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CiteCitation
Gabriele Carannante, Antonietta Cherchi, Roberto Graziano, Daniela Ruberti, Lucia Simone, 2008. "Post-Turonian Rudist-Bearing Limestones of the Peri-Tethyan Region: Evolution of the Sedimentary Patterns and Lithofacies in the Context of Global Versus Regional Controls", Controls on Carbonate Platform and Reef Development, Jeff Lukasik, J.A. (Toni) Simo
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Abstract
Post-Turonian (Late Cretaceous) rudist-bearing limestones of the Nurra region in northwestern Sardinia (northern Tethyan margin) and in the central-southern Apennines and Apulia (central Tethyan domain) have recorded relevant changes in the characteristics of the carbonate platforms following the “middle” Cretaceous crisis events which affected the peri-Tethyan region as well as other regions worldwide.
Rudist bivalves became the dominant lithogenetic taxon owing to their proliferation in shallow-water environments and strong dominance of Late Cretaceous carbonate factories. Their inception, evolution, and demise were seemingly controlled by a complex interplay of environmental processes that, acting on a global scale, profoundly modified the...
- Africa
- anaerobic environment
- Angola Basin
- Atlantic Ocean
- biomarkers
- black shale
- Cape Verde Basin
- Cape Verde Rise
- clastic rocks
- Cretaceous
- Deep Sea Drilling Project
- Demerara Rise
- DSDP Site 144
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- Equatorial Atlantic
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- organic compounds
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- Upper Cretaceous
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- Western Interior Seaway