By Editors H. M. Pedley and G. Carannante
Prior to now decade, paintings on cool-water carbonates has accelerated to turn into a mainstream study quarter. reports on sleek and Quaternary deposits will remain vital; notwithstanding, there's expanding momentum in the direction of unravelling sediment approaches, biota–sediment interactions and diagenetic items in Cenozoic and older cool-water carbonates. Many contributions during this ebook rfile Cenozoic and Quaternary carbonates from landlocked (microtidal) water-bodies. those carbonates exhibit vital changes in biota and upholstery distributions compared to global ocean examples. therefore, the clinical group is now greater put to reinterpret pre-Tertiary carbonates the place there's a suspicion that they've built lower than microtidal stipulations. a few papers within the ebook supply new techniques to reading environmental swap inside of macrotidal regimes and others lay enterprise foundations for destiny cool-water carbonate diagenetic learn. the purpose of the ebook is to demonstrate fresh foreign contributions to cool-water carbonates learn, with an emphasis on Neogene and up to date case experiences. Contributions are divided into 3 sections: microtidal carbonates from the Mediterranean realm; macrotidal examples from New Zealand, Australia and Mexico; and early diagenetic fabrics.Also on hand: Geometry and Petrogenesis of Dolomite Hydrocarbon Reservoirs - ISBN 1862391661 The Palynology And Micropalaeontology of limitations - ISBN 1862391602 Carbonate Platform platforms: elements and Interactions - ISBN 1862390746
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Extra info for Cool-Water Carbonates: Depositional Systems and Palaeoenvironmental Controls (Geological Society Special Publication)
Example text
Fruticulosus, Lithothamnion of. philippii and L. minervae. The species at the surface of the rhodoliths are L. stictaeforme, T. pustulatum, M. lichenoides or M. alternans. Local bioturbation and dissolution of the calcareous thalli were observed. Bryozoans and annelids have been encrusted inside the rhodoliths and also colonize their surface (Figs 10-12). Intervals C and B contain remains of bryozoan colonies entrusted by thin coralline thalli. No corallines occur in surface interval A. laminar structure occur in the basal layer of core GRC02D.
Barnacles are very abundant locally. Preliminary taphonomic observations suggest a rapid accumulation in relatively deep sea water. The recognition of different coralline algal beds in the Isili carbonate system raises the question as to which factors controlled their distribution and which assemblages were autochthonous/parautochthonous to allochthonous. g. Bosence 1983b; Reid & Maclntyre 1988; Littler et al. 1991; Basso 1998; Foster 2001; Rasser & Piller 2004). Nevertheless, Prager & Ginsburg (1989) and Marrack (1999) suggested that hydrodynamic energy plays a secondary role in rhodolith overturning and growth below fairweather wave base.
These areas (IV and CN sections) are in complex spatial arrangement with the previously described tributary channel areas. There, parallelbedded bryozoan and coralline algal-dominated lithofacies crop out. In the IV section, corresponding presumably to a deep inner- to outer-shelf area (Vigorito et al. 2005), coralline algae developed as spheroidal rhodoliths with warty and lumpy growth forms (Figs 4, 7, 14). The inner structure consists generally of laminar concentric thalli which envelop several serpulid worm-tubes.
