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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Geo-marine letters 4 (1984), S. 13-17 
    ISSN: 1432-1157
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract The Petit Rhône Canyon (Gulf of Lions) is incised by a narrow meandering thalweg. Two current meters were moored near the bottom, one in the channel and the other on the levee. None of the measured currents is associated with the sediment transport peculiar to deep-sea fan building. This transport is mainly influenced by relatively high speeds (1 h means up to 48 cm/s; 1 day means 〉 30 cm/s) measured in diverse directions.
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 2023-02-24
    Keywords: EURODELTA; European Co-ordination on Mediterranean and Black Sea Prodeltas
    Type: Dataset
    Format: application/zip, 9.1 MBytes
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  • 3
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    Unknown
    PANGAEA
    In:  Supplement to: Monaco, Andre; Valette, J N; Hoffert, Michel; Picot, P (1979): Héritage et néoformation dans les dépôts volcano-sédimentaires et hydrothermaux avoisinant l'île de Vulcano = Heritage and neoformation in volcanic and hydrothermal sediments surrounding Vulcano Island. Oceanologica Acta, 2(1), 75-89, https://archimer.ifremer.fr/doc/00122/23365/21192.pdf
    Publication Date: 2023-08-28
    Description: The volcanic deposits which surround Vulcano Island may be classified in four phases : a detritic phase, fed from the Island itself and from Sicily; a siliceous and carbonateous organic phase; a neogenesis mineral phase; a precipitation phase. The formation of clay and the mineralization of iron and manganese are the subject of particular study. A number of indications suggest the littoral neogenesis of kaolinite around hydrothermal issues, and the formation of smectite at greater depths. The distribution of iron mineralization in the Baie du Levant follows the physicochemical variations of the environment. Melnikovite, pyrite, marcassite and pyrrhotin are dispersed in aureoles around swallow emission points (fumaroles). Close to the hydrothermal spring, iron precipitates are found in the form of amorphous hydroxydes, while geothite and hematite characterize the deeper area as a whole. Manganese mineralizations are exclusively represented by hydroxides and oxides, locally (about - 250 m) organized as incrustations on. lapilli glasses (micronodules). These would appear to be related to the hydrothermal spring.
    Keywords: Comment; Deposit type; DEPTH, sediment/rock; Description; Dredge; DRG; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; Position; Quantity of deposit; Sample ID; Sediment type; Size; Substrate type; Visual description; Vulcano_M; Vulcano Island, Italy
    Type: Dataset
    Format: text/tab-separated-values, 9 data points
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  • 4
    facet.materialart.
    Unknown
    PANGAEA
    In:  Supplement to: Monaco, Andre (1979): Les microminéralisations polymétalliques: Structures bloquées des sédiments pélagiques. Chemical Geology, 27(1-2), 125-142, https://doi.org/10.1016/0009-2541(79)90108-6
    Publication Date: 2023-08-28
    Description: Mineralogical and chemical analysis of an Eastern Pacific core has been conducted in the context of a study of mineralisations in pelagic sediments; the data point out the relations between thin (2-100 m) manganese oxyhydroxide concretions and volcano-sedimentary environments. Between Clarion and Clipperton Islands, the polymetallic precipitates are precocious and they are due to the submarine volcanic activity of this spreading zone; in spite of their small size, all the elements are concentrated in the precipitates: Mn (9-46%), Fe (0.2-11%), Ni (0.1-3.4%), Cu (0.1-1.7%), Co (0.1-0.8%). The high internal structuration of micromineralisations, the splitting up of the elements in the laminations, the variability of contents according to the state of crystallinity can be explained by diagenetic processes at the scale of the grain. The contrast between the degree of evolution of these mineralisations and the situation of the area, that was submitted to important terrigenous and volcanic sedimentary inputs, lead to consideration of the micronodules as 'blocked structures', precursors of nodules, developed from diagenetic reactions of the micro-environment.
    Keywords: GC; Gravity corer; Le Noroit; NIXO30; NIXO30-NR71; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; NOR76/5; Pacific Ocean
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 5
    Publication Date: 2023-08-28
    Keywords: Comment; Deposit type; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Description; GC; Gravity corer; Identification; Le Noroit; NIXO30; NIXO30-NR71; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; NOR76/5; Pacific Ocean; Position; Quantity of deposit; Sediment type; Size; Visual description
    Type: Dataset
    Format: text/tab-separated-values, 10 data points
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  • 6
    Publication Date: 2023-08-28
    Keywords: Aluminium; Calcium; CAMEBAX microprobe; Cobalt; Copper; Deposit type; DEPTH, sediment/rock; Description; GC; Gravity corer; Identification; Iron; Le Noroit; Magnesium; Manganese; Nickel; NIXO30; NIXO30-NR71; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; NOR76/5; Pacific Ocean; Potassium; Silicon; Sodium; Texture; Titanium
    Type: Dataset
    Format: text/tab-separated-values, 653 data points
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  • 7
    Publication Date: 2023-08-28
    Keywords: Aluminium oxide; Barium; Calcium oxide; Carbon, organic, total; Chromium; Cobalt; Copper; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; GC; Gravity corer; Identification; Iron oxide, Fe2O3; Iron oxide, FeO; Lanthanum; Lead; Le Noroit; Magnesium oxide; Manganese oxide; Nickel; NIXO30; NIXO30-NR71; NOAA and MMS Marine Minerals Geochemical Database; NOAA-MMS; NOR76/5; Pacific Ocean; Phosphorus pentoxide; Potassium oxide; Silicon dioxide; Sodium oxide; Strontium; Sulfur, total; Titanium dioxide; Vanadium; Water in rock; Wet chemistry; Zinc
    Type: Dataset
    Format: text/tab-separated-values, 219 data points
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  • 8
    facet.materialart.
    Unknown
    PANGAEA
    In:  Supplement to: Monaco, Andre; Biscaye, Pierre Eginton; Soyer, Jaques; Pocklington, Roger; Heussner, Serge (1990): Particule fluxes and ecosystem response on a continental margin: the 1985-1988 Mediterranean ECOMARGE experiment. Continental Shelf Research, 10(9-11), 809-839, https://doi.org/10.1016/0278-4343(90)90061-P
    Publication Date: 2024-02-01
    Description: The first experiment of the ECOMARGE programme (ECOsystèmes de MARGE continentale) was initiated in 1983-1984, in the Gulf of Lions (northwestern Mediterranean Sea). The objectives of the ECOMARGE-I experiment were: to quantify the transfer of particulate matter, in general, and of organic carbon, in particular, from its introduction to and formation in the waters of the continental shelf-to its consumption or sedimentation on the shelf or its transfer to the slope and deep sea; and to understand the processes involved in that transfer, consumption and sedimentation together with their variability in space and time. The results of that experiment, from 1983 to 1988, are presented in this Special Issue. The highlights of the results are summarised in this paper. These results indicate that, of the particles formed in the waters of the continental shelf and those introduced by rivers, some are deposited as sediments on the shelf. A portion is transported offshore, however, to the slope and deep sea. The Rho^ne River, in the northeastern part of the study area, is the major source of continental material; this is transported to sea in a benthic nepheloid layer and, mostly, alongshore to the southwest. Here, it largely leaves the shelf through the canyons, especially the Lacaze-Duthiers Canyon. In the offshore waters, particle concentrations and distributions show surficial, intermediate and benthic nepheloid layers. These turbid structures increase towards the southwest, corresponding to the seaward shift of the front between the coastal waters and the Liguro-Provençal cyclonic gyre, a major forcing function in the Gulf of Lions. Considering the source and fate of particles (largely biogenic from the euphotic zone and abiogenic from deeper waters) a layered system is described, which is emphasized by the concentrations of natural and artificial elements and compounds. Of the flux of particles to the Lacaze-Duthiers Canyon, on a decadal scale, about 30% (as a minimum) is estimated to be stored as sediment; the remainder is transported down-canyon, towards the deep sea. The temporal variability of processes affecting this net seaward transport, of both biogenic and abiogenic material, is from hours, days to seasonal, and probably interannual, time scales. The response of the system to these variations is rapid, with pulses of increased discharge of particles from the adjacent shelf being detected in sediment traps in the Lacaze-Duthiers Canyon in less than 16 days (the temporal resolution of the traps). Based upon the study of tracers of particulate matter and environmental factors (i.e. river discharge and climatic conditions), it appears that the contribution from the Rho^ne River and its adjacent area is maximal during the winter; at this time, the flow of the Liguro-Provençal Current also increases. In contrast, the maximum relative contribution of the adjacent southwesterly area to the flux in the Lacaze-Duthiers Canyon occurs in summer, during storm events.
    Keywords: Balearic Sea, Mediterranean Sea; Biogeochemical Processes in the Oceans and Fluxes; CTD/Rosette; CTD-RO; ECOM1001; ECOM1002; ECOM1003; ECOM1004; ECOM1005; ECOM1006; ECOM1007; ECOM1008; ECOM1009; ECOM1010; ECOM1011; ECOM1012; ECOM1013; ECOM1014; ECOM1015; ECOM1017; ECOM1018; ECOM1019; ECOM1020; ECOM1021; ECOM1022; ECOM1023; ECOM1024; ECOM1025; ECOM1026; ECOM1027; ECOM1028; ECOM1029; ECOM1030; ECOM1031; ECOM1032; ECOM1033; ECOM1034; ECOM1035; ECOM1036; ECOM1037; ECOM1038; ECOM1039; ECOM1040; ECOM1041; ECOM1042; ECOM1043; ECOM1044; ECOM1045; ECOM1046; ECOM1047; ECOM1048; ECOM1049; ECOM1050; ECOM1051; ECOM1052; ECOM1053; ECOM1054; ECOM1055; ECOM1056; ECOM2002; ECOM2003; ECOM2004; ECOM2005; ECOM2006; ECOM2007; ECOM2008; ECOM2009; ECOM2010; ECOM2011; ECOM2012; ECOM2013; ECOM2014; ECOM2015; ECOM2016; ECOM2017; ECOM2018; ECOM2019; ECOM2020; ECOM2021; ECOM2022; ECOM2023; ECOM2024; ECOM2025; ECOM2026; ECOM2027; ECOM2028; ECOM2029; ECOM2030; ECOM2031; ECOM2032; ECOM2033; ECOM2034; ECOM2035; ECOM2036; ECOM2037; ECOM2038; ECOM2039; ECOM2040; ECOM2041; ECOM2042; ECOM2043; ECOM2044; ECOM2045; ECOM2046; ECOM2047; ECOM2048; ECOM2049; ECOM2050; ECOM2051; ECOM2052; ECOM2053; ECOM2054; ECOM2055; ECOM2056; ECOM2057; ECOM2058; ECOM2059; ECOM2060; ECOM2061; ECOM2062; ECOM2063; ECOM2064; ECOM2065; ECOM2066; ECOM2067; ECOM2068; ECOM2069; ECOM2070; ECOM2071; ECOM2072; ECOM2073; ECOM2074; ECOM2075; ECOM3002; ECOM3003; ECOM3004; ECOM3005; ECOM3006; ECOM3007; ECOM3008; ECOM3009; ECOM3010; ECOM3011; ECOM3012; ECOM3013; ECOM3014; ECOM3015; ECOM3016; ECOM3017; ECOM3018; ECOM3019; ECOM3020; ECOM3021; ECOM3022; ECOM3023; ECOM3024; ECOM3025; ECOM3026; ECOM3027; ECOM3028; ECOM3029; ECOM3030; ECOM3031; ECOM3032; ECOM3033; ECOM3034; ECOM3035; ECOM3036; ECOM4002; ECOM4003; ECOM4004; ECOM4005; ECOM4006; ECOM4007; ECOM4008; ECOM4009; ECOM4010; ECOM4011; ECOM4012; ECOM4013; ECOM4014; ECOM4015; ECOM4016; ECOM4017; ECOM4018; ECOM4019; ECOM4020; ECOM4021; ECOM4022; ECOM4023; ECOM4024; ECOM4026; ECOM4027; ECOM4028; ECOM4029; ECOM4030; ECOM4031; ECOM4032; ECOM4033; ECOM4034; ECOM4035; ECOM4036; ECOM4037; ECOM4038; ECOM4039; ECOM4040; ECOM4041; ECOM5002; ECOM5003; ECOM5004; ECOM5005; ECOM5006; ECOM5007; ECOM5008; ECOM5009; ECOM5010; ECOM5011; ECOM5012; ECOM5013; ECOM5014; ECOM5015; ECOM5016; ECOM5017; ECOM5018; ECOM5019; ECOM5020; ECOM5021; ECOM5022; ECOM5023; ECOM5024; ECOM5025; ECOM5026; ECOM5027; ECOM5028; ECOM5029; ECOM5030; ECOM5031; ECOM5032; ECOM5033; ECOM5034; ECOM5035; ECOM5036; ECOM5037; ECOM5038; ECOM5039; ECOM5040; ECOM5041; ECOM5042; ECOM5043; ECOM5044; ECOM5045; ECOM5046; ECOM5047; ECOM5048; ECOM5049; ECOM5050; ECOM5051; ECOM5052; ECOM5053; ECOM5054; ECOM5055; ECOM5056; ECOM5057; ECOM5058; ECOM5059; ECOM5060; ECOM5061; ECOM5062; ECOM5063; ECOM5064; ECOM5065; ECOM5066; ECOM5067; ECOM5068; ECOM5069; ECOM5070; ECOM5071; ECOM5072; ECOM5073; ECOM5074; ECOM5075; ECOM5076; ECOM5077; ECOM5078; ECOM5079; ECOM5080; ECOM5081; ECOM5082; ECOM5083; ECOM5084; ECOM5085; ECOM5086; ECOM5087; ECOM5088; ECOM5089; ECOM5090; ECOM5091; ECOM5092; ECOM5093; ECOM5094; ECOM5096; ECOM5097; ECOM5098; ECOM5099; ECOM5100; ECOM5101; ECOM5102; ECOM5103; ECOM5104; ECOM5105; ECOM5106; ECOM5107; ECOM5108; ECOM5109; ECOM5110; ECOM5111; ECOM5112; ECOM5113; ECOM5114; ECOM5115; ECOM5116; ECOM5117; ECOM5118; ECOM5119; ECOM5120; ECOM5121; ECOM5122; ECOM5123; ECOM5124; ECOM5125; ECOM5126; ECOM5127; ECOM5128; ECOM5129; ECOM5130; ECOM5131; ECOM5132; ECOMARGE1; ECOMARGE2; ECOMARGE3; ECOMARGE4; ECOMARGE5; JGOFS; Joint Global Ocean Flux Study; Le Noroit; Le Suroît; MEDAR/MEDATLAS; Mediterranean Data Archaeology and Rescue; Mediterranean Sea; PROOF
    Type: Dataset
    Format: application/zip, 5 datasets
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  • 9
    Publication Date: 2024-02-01
    Keywords: Biogeochemical Processes in the Oceans and Fluxes; Calculated; Conductivity; CTD; CTD/Rosette; CTD-RO; Date/Time of event; Density, sigma-theta (0); DEPTH, water; ECOM1001; ECOM1002; ECOM1003; ECOM1004; ECOM1005; ECOM1006; ECOM1007; ECOM1008; ECOM1009; ECOM1010; ECOM1011; ECOM1012; ECOM1013; ECOM1014; ECOM1015; ECOM1017; ECOM1018; ECOM1019; ECOM1020; ECOM1021; ECOM1022; ECOM1023; ECOM1024; ECOM1025; ECOM1026; ECOM1027; ECOM1028; ECOM1029; ECOM1030; ECOM1031; ECOM1032; ECOM1033; ECOM1034; ECOM1035; ECOM1036; ECOM1037; ECOM1038; ECOM1039; ECOM1040; ECOM1041; ECOM1042; ECOM1043; ECOM1044; ECOM1045; ECOM1046; ECOM1047; ECOM1048; ECOM1049; ECOM1050; ECOM1051; ECOM1052; ECOM1053; ECOM1054; ECOM1055; ECOM1056; ECOMARGE1; Elevation of event; Event label; JGOFS; Joint Global Ocean Flux Study; Latitude of event; Le Noroit; Longitude of event; MEDAR/MEDATLAS; Mediterranean Data Archaeology and Rescue; Mediterranean Sea; Pressure, water; PROOF; Salinity; Temperature, water; Temperature, water, potential; Turbidity (Formazin Turbidity Unit)
    Type: Dataset
    Format: text/tab-separated-values, 363664 data points
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  • 10
    Publication Date: 2024-02-01
    Keywords: Biogeochemical Processes in the Oceans and Fluxes; Calculated; Conductivity; CTD; CTD/Rosette; CTD-RO; Date/Time of event; Density, sigma-theta (0); DEPTH, water; ECOM2002; ECOM2003; ECOM2004; ECOM2005; ECOM2006; ECOM2007; ECOM2008; ECOM2009; ECOM2010; ECOM2011; ECOM2012; ECOM2013; ECOM2014; ECOM2015; ECOM2016; ECOM2017; ECOM2018; ECOM2019; ECOM2020; ECOM2021; ECOM2022; ECOM2023; ECOM2024; ECOM2025; ECOM2026; ECOM2027; ECOM2028; ECOM2029; ECOM2030; ECOM2031; ECOM2032; ECOM2033; ECOM2034; ECOM2035; ECOM2036; ECOM2037; ECOM2038; ECOM2039; ECOM2040; ECOM2041; ECOM2042; ECOM2043; ECOM2044; ECOM2045; ECOM2046; ECOM2047; ECOM2048; ECOM2049; ECOM2050; ECOM2051; ECOM2052; ECOM2053; ECOM2054; ECOM2055; ECOM2056; ECOM2057; ECOM2058; ECOM2059; ECOM2060; ECOM2061; ECOM2062; ECOM2063; ECOM2064; ECOM2065; ECOM2066; ECOM2067; ECOM2068; ECOM2069; ECOM2070; ECOM2071; ECOM2072; ECOM2073; ECOM2074; ECOM2075; ECOMARGE2; Elevation of event; Event label; JGOFS; Joint Global Ocean Flux Study; Latitude of event; Le Suroît; Longitude of event; MEDAR/MEDATLAS; Mediterranean Data Archaeology and Rescue; Mediterranean Sea; Pressure, water; PROOF; Salinity; Temperature, water; Temperature, water, potential; Turbidity (Formazin Turbidity Unit)
    Type: Dataset
    Format: text/tab-separated-values, 447104 data points
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