Contourites $c
by Camerlenghi, A. Rebesco, M.
Contourite Research -- Personal reminiscences on the history of contourites -- Methods for contourite research -- Bottom currents -- Abyssal and contour currents -- Deep-water bottom currents and their deposits -- Dynamics of the bottom boundary layer -- Processes -- Sediment entrainment -- Size sorting during transport and deposition of fine sediments: sortable silt and flow speed -- The nature of contourite deposition -- Sediments -- Traction structures in contourites -- Bioturbation and biog…
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- Full title :Contourites $c.
Summary
Contourite Research -- Personal reminiscences on the history of contourites -- Methods for contourite research -- Bottom currents -- Abyssal and contour currents -- Deep-water bottom currents and their deposits -- Dynamics of the bottom boundary layer -- Processes -- Sediment entrainment -- Size sorting during transport and deposition of fine sediments: sortable silt and flow speed -- The nature of contourite deposition -- Sediments -- Traction structures in contourites -- Bioturbation and biogenic sedimentary structures in contourites -- Some aspets of diagenesis in contourites -- Contourite facies and the facies model -- Morphology, geometry and palaeoceanographic reconstructions -- Contourite drifts: nature, evolution and controls -- Sediment waves and bedforms -- Seismic expression of contourite depositional systems -- Identification of ancient contourites: problems and paleoceanographic signifance -- Domains -- Abyssal plain contourites -- Continental slope contourites -- Shallow ...
Contourites are sediments deposited or substantially reworked by bottom currents. The study of contourites is nowadays crucial for several fields of fundamental and applied research: palaeoclimatology and paleoceanography, since these fairly continuous and relatively high-resolution sediments hold the key for priceless information on the variability in circulation patter, current velocity, oceanographic history and basin interconnectivity; hydrocarbon exploration, since accumulation of source rocks may be favoured by weak bottom currents, whereas "clean" deep-sea sands may be formed by robust flows; slope stability, since low-permeability fine-grained contourites facilitate the formation of overpressurized gliding planes when fresh contourites with a high pore-water content becomes rapidly loaded, or when their rigid biosiliceous microfabric collapses due to diagenetic conditions.
Edition Statements
- Publication Date:2008 ;
- Edition:First edition
Publication Statements
- Publisher(s):Elsevier
- Place of Publication:Paises Bajos
- Language:eng
- Publication Date:2008 ;
The Physical Object
- Description:1 recurso en línea (1 recurso en línea :) : ill., maps.
Edition Identifiers
- ISBN:9780444529985, 0444529985, 9780080931869, 0080931863
- oclc:on1112896233
- Dewey Decimal:551.4686
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