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Croûte océanique. --- Géologie sous-marine. --- Pétrologie. --- Lithosphère. --- Ophiolites. --- Submarine geology --- Petrology --- Ophiolites --- Croûte océanique --- Géologie sous-marine --- Pétrologie --- Lithosphère
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Although it is generally accepted that the Arctic Ocean is a very sensitive and important region for changes in the global climate, this region is the last major physiographic province of the earth whose short-and long-term geological history is much less known in comparison to other ocean regions. This lack of knowledge is mainly caused by the major technological/logistic problems in reaching this harsh, ice-covered region with normal research vessels and in retrieving long and undisturbed sediment cores. During the the last about 20 years, however, several international and multidisciplinary
Marine sediments --- Geology --- Bottom deposits (Oceanography) --- Bottom sediments (Oceanography) --- Deep-sea deposits --- Deposits, Deep-sea --- Marine deposits --- Sediments, Marine --- Ocean bottom --- Sedimentation and deposition --- Submarine geology --- Sediments (Geology)
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Contourites are sediments deposited or substantially reworked by bottom currents. The study of contourites is crucial for several fields of fundamental and applied research: paleoclimatology and paleo-oceanography, 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 favored by weak bottom currents, whereas ""clean"" deep-sea sands may be formed by robust flows;
Marine sediments. --- Sedimentation and deposition. --- Deposition and sedimentation --- Sedimentary processes --- Physical geology --- Bottom deposits (Oceanography) --- Bottom sediments (Oceanography) --- Deep-sea deposits --- Deposits, Deep-sea --- Marine deposits --- Sediments, Marine --- Ocean bottom --- Sedimentation and deposition --- Submarine geology --- Sediments (Geology)
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