marine sediments

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• marine ecosystem — Introduction       complex of living organisms in the ocean environment.       Marine waters cover two thirds of the surface of the Earth. In some places the ocean is deeper than Mount Everest is high; for example, the Mariana Trench and the… …   Universalium

• marine sediment — Any deposit of insoluble material, primarily rock and soil particles, transported from land areas to the ocean by wind, ice, and rivers, as well as the remains of marine organisms, products of submarine volcanic activity, and chemical… …   Universalium

• Marine pollution — While marine pollution can be obvious, as with the marine debris shown above, it is often the pollutants that cannot be seen that cause most harm. Marine pollution occurs when harmful, or potentially harmful effects, can result from the entry… …   Wikipedia

• Marine terrace — A marine terrace, coastal terrace[1], raised beach or perched coastline is a relatively flat, horizontal or gently inclined surface of marine origin[2], mostly an old abrasion platform which has been lifted out of the sphere of wave activity… …   Wikipedia

• Marine habitats — Coral reefs provide marine habitats for tube sponges, which in turn become marine habitats for fishes Littoral zone …   Wikipedia

• marine geology — marine geologist. the branch of geology dealing with the rocks, sediments, and processes of the floors and margins of the oceans. * * * or geologic oceanography Scientific discipline concerned with all geologic aspects of the continental shelves… …   Universalium

• Marine clay — is a type of clay found in coastal regions around the world. In the northern, deglaciated regions, it can sometimes be quick clay, which is notorious for being involved in landslides. Clay particles can self assemble into various configurations,… …   Wikipedia

• marine deposit —    Sediments (predominantly sands, silts and clays) of marine origin; laid down in the waters of an ocean.    Compare: estuarine deposit, lagoonal deposit.    SW …   Glossary of landform and geologic terms

• marine geology — marine geologist. the branch of geology dealing with the rocks, sediments, and processes of the floors and margins of the oceans …   Useful english dictionary

• Marine bacteriophage — Electron micrograph of negative stained Prochlorococcusmyoviruses Marine bacteriophages or marine phages are viruses that live as obligate parasitic agents in marine bacteria such as cyanobacteria.[1] …   Wikipedia

• Sédiments — Sédiment Le processus de sédimentation est d abord une loi physique, liée à la pesanteur.Des phénomènes biologiques peuvent l accélérer ou le réduire, intervenant notamment dans les cycles écologiques et biogéochimiques …   Wikipédia en Français