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  • 1
    Keywords: Hochschulschrift
    Type of Medium: Book
    Pages: 152 S , Ill., graph. Darst., Kt
    Language: German
    Note: Kiel, Univ., Diss. 1991
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  • 2
    Keywords: Hochschulschrift ; Subduktion ; Geochemie
    Type of Medium: Book
    Pages: Getr. Zählung , Ill., graph. Darst., Kt
    Language: English
    Note: Enth. Zeitschriftenaufsätze , Kiel, Univ., Habil.-Schr., 2002
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  • 3
    Keywords: Hochschulschrift ; Subduktion ; Geochemie
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource ( 258Seiten = 22MB) , Ill., graph. Darst., Kt
    Language: English
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  • 4
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    Unknown
    PANGAEA
    In:  Geologisch-Paläontologisches Institut, Christian-Albrechts-Universität, Kiel
    Publication Date: 2023-05-12
    Keywords: Aluminium oxide; Calcium oxide; Date/Time of event; DEPTH, sediment/rock; Dredge; DRG; Elevation of event; Event label; GIK17107-1; GIK17110-1; GIK17113-1; GIK17114-1; GIK17120-1; GIK17123-1; GIK17126-1; GIK17127-1; GIK17130-1; GIK17131-1; GIK17132-1; GIK17134-1; GIK17142-1; GIK17143-1; GIK17151-1; GIK17153-1; Iron oxide, FeO; Latitude of event; Longitude of event; Magnesium oxide; Manganese oxide; Mariana arc/Philippine Basin; MARIANA I; MS; Multisonde; Sample code/label; Sample type; Silicon dioxide; SO57; Sonne; Television-Grab; Titanium dioxide; TVG
    Type: Dataset
    Format: text/tab-separated-values, 252 data points
    Location Call Number Limitation Availability
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  • 5
    Publication Date: 2023-10-05
    Keywords: Beckman Coulter Laser diffraction particle size analyzer LS 13 320; DEPTH, sediment/rock; Elevation of event; Event label; INOPEX; Latitude of event; Longitude of event; MUC; MultiCorer; North Pacific Ocean; Size fraction 0.397-0.370 µm, 11.3-11.4 phi; Size fraction 0.45-0.41 µm, 11.1-11.3 phi; Size fraction 0.488-0.456 µm, 11.0-11.1 phi; Size fraction 0.523-0.488 µm, 10.9-11.0 phi; Size fraction 0.6-0.54 µm, 10.7-10.9 phi; Size fraction 0.644-0.601 µm, 10.6-10.7 phi; Size fraction 0.72-0.66 µm, 10.4-10.6 phi; Size fraction 0.793-0.740 µm, 10.3-10.4 phi; Size fraction 0.850-0.793 µm, 10.2-10.3 phi; Size fraction 0.95-0.87 µm, 10.0-10.2 phi; Size fraction 1.047-0.977 µm, 9.9-10.0 phi; Size fraction 1.122-1.047 µm, 9.8-9.9 phi; Size fraction 1.26-1.15 µm, 9.6-9.8 phi; Size fraction 1.381-1.289 µm, 9.5-9.6 phi; Size fraction 1.480-1.381 µm, 9.4-9.5 phi; Size fraction 1.67-1.52 µm, 9.2-9.4 phi; Size fraction 1.822-1.700 µm, 9.1-9.2 phi; Size fraction 1.953-1.822 µm, 9.0-9.1 phi; Size fraction 10.78-9.82 µm, 6.5-6.7 phi; Size fraction 101.532-94.732 µm, 3.3-3.4 phi; Size fraction 1041.05-948.34 µm, (-0.1)-0.1 phi; Size fraction 108.819-101.532 µm, 3.2-3.3 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 1148.698-1071.773 µm, (-0.2) to (-0.1) phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 121.84-110.99 µm, 3.0-3.2 phi; Size fraction 1231.144-1148.698 µm, (-0.3) to (-0.2) phi; Size fraction 133.972-125.000 µm, 2.9-3.0 phi; Size fraction 1377.2-1254.55 µm, (-0.5) to (-0.3) phi; Size fraction 14.26-12.99 µm, 6.1-6.3 phi; Size fraction 143.587-133.972 µm, 2.8-2.9 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 1515.717-1414.214 µm, (-0.6) to (-0.5) phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 161.18-146.82 µm, 2.6-2.8 phi; Size fraction 1624.505-1515.717 µm, (-0.7) to (-0.6) phi; Size fraction 176.777-164.938 µm, 2.5-2.6 phi; Size fraction 18.86-17.18 µm, 5.7-5.9 phi; Size fraction 1821.89-1659.64 µm, (-0.9) to (-0.7) phi; Size fraction 189.465-176.777 µm, 2.4-2.5 phi; Size fraction 2.21-2.01 µm, 8.8-9.0 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.92-2.66 µm, 8.4-8.6 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 2000.000-1866.066 µm, (-1.0) to (-0.9) phi; Size fraction 213.22-194.23 µm, 2.2-2.4 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 233.258-217.638 µm, 2.1-2.2 phi; Size fraction 24.95-22.73 µm, 5.3-5.5 phi; Size fraction 250.000-233.258 µm, 2.0-2.1 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 282.07-256.95 µm, 1.8-2.0 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.86-3.52 µm, 8.0-8.2 phi; Size fraction 307.786-287.175 µm, 1.7-1.8 phi; Size fraction 329.877-307.786 µm, 1.6-1.7 phi; Size fraction 33.01-30.07 µm, 4.9-5.1 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 373.15-339.92 µm, 1.4-1.6 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.66-4.24 µm, 7.7-7.9 phi; Size fraction 406.126-378.929 µm, 1.3-1.4 phi; Size fraction 43.67-39.78 µm, 4.5-4.7 phi; Size fraction 435.275-406.126 µm, 1.2-1.3 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 493.63-449.67 µm, 1.0-1.2 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 52.63-47.94 µm, 4.2-4.4 phi; Size fraction 535.887-500.000 µm, 0.9-1.0 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 594.87-541.89 µm, 0.7-0.9 phi; Size fraction 6.16-5.61 µm, 7.3-7.5 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 659.754-615.572 µm, 0.6-0.7 phi; Size fraction 69.62-63.42 µm, 3.8-4.0 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 707.107-659.754 µm, 0.5-0.6 phi; Size fraction 76.947-71.794 µm, 3.7-3.8 phi; Size fraction 786.95-716.87 µm, 0.3-0.5 phi; Size fraction 8.15-7.42 µm, 6.9-7.1 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 82.469-76.947 µm, 3.6-3.7 phi; Size fraction 870.551-812.252 µm, 0.2-0.3 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi; Size fraction 92.1-83.9 µm, 3.4-3.6 phi; Size fraction 933.033-870.551 µm, 0.1-0.2 phi; SO202/1; SO202/1_02-4; SO202/1_03-4; SO202/1_04-3; SO202/1_05-3; SO202/1_06-2; SO202/1_08-1; SO202/1_09-2; SO202/1_23-4; SO202/1_24-2; SO202/1_25-1; SO202/1_27-1; SO202/1_28-1; SO202/1_29-5; SO202/1_31-5; SO202/1_32-5; SO202/1_33-5; SO202/1_34-4; SO202/1_36-6; SO202/1_38-1; SO202/1_39-2; SO202/1_41-3; SO202/1_42-3; SO202/1_45-2; Sonne
    Type: Dataset
    Format: text/tab-separated-values, 2116 data points
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  • 6
    Publication Date: 2023-10-05
    Keywords: Alkaline extraction and molbydate blue spectrophotometry; Bering Sea; Calcium carbonate; Calcium carbonate, standard deviation; Calculated; Cerium; Coulometer CM5012 CO2; DEPTH, sediment/rock; Dysprosium; Elevation of event; Erbium; Europium; Event label; Gadolinium; Helium-4, terrestrial; Helium-4, terrestrial, standard deviation; Holmium; ICP-MS, VG Elemental Axiom; ICP-MS, VG-Plasma-Quad ExCell; INOPEX; Lanthanum; Latitude of event; Longitude of event; Lutetium; MUC; MultiCorer; Neodymium; North Pacific Ocean; Opal, biogenic silica; Opal, biogenic silica, standard deviation; Praseodymium; Samarium; SO202/1; SO202/1_01-3; SO202/1_02-4; SO202/1_03-4; SO202/1_04-3; SO202/1_05-3; SO202/1_06-2; SO202/1_08-1; SO202/1_09-2; SO202/1_10-2; SO202/1_11-1; SO202/1_12-2; SO202/1_13-4; SO202/1_14-5; SO202/1_15-4; SO202/1_18-1; SO202/1_19-5; SO202/1_21-2; SO202/1_22-1; SO202/1_23-4; SO202/1_24-2; SO202/1_25-1; SO202/1_26-1; SO202/1_27-1; SO202/1_28-1; SO202/1_29-5; SO202/1_31-5; SO202/1_32-5; SO202/1_33-5; SO202/1_34-4; SO202/1_36-6; SO202/1_37-1; SO202/1_38-1; SO202/1_39-2; SO202/1_40-2; SO202/1_41-3; SO202/1_42-3; SO202/1_45-2; Sonne; Terbium; Thorium-230; Thorium-230, flux normalized; Thorium-230, flux normalized, standard deviation; Thorium-230, standard deviation; Thorium-230 excess, decay-corrected; Thorium-230 excess, decay-corrected, standard deviation; Thorium-232; Thorium-232, standard deviation; Thulium; Uranium-238; Uranium-238, standard deviation; Ytterbium
    Type: Dataset
    Format: text/tab-separated-values, 1110 data points
    Location Call Number Limitation Availability
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  • 7
    Publication Date: 2023-10-05
    Keywords: DEPTH, sediment/rock; Dust, flux; Dust, flux, standard deviation; Dust contribution to lithogenic fraction; Dust contribution to lithogenic fraction, standard deviation; Elevation of event; Event label; Fine endmember contribution to lithogenic fraction; Fine endmember-derived, flux; Fine endmember-derived, flux, standard deviation; INOPEX; Latitude of event; Longitude of event; MUC; MultiCorer; North Pacific Ocean; SO202/1; SO202/1_01-3; SO202/1_02-4; SO202/1_03-4; SO202/1_04-3; SO202/1_05-3; SO202/1_06-2; SO202/1_08-1; SO202/1_09-2; SO202/1_23-4; SO202/1_24-2; SO202/1_25-1; SO202/1_27-1; SO202/1_28-1; SO202/1_29-5; SO202/1_31-5; SO202/1_32-5; SO202/1_33-5; SO202/1_34-4; SO202/1_36-6; SO202/1_37-1; SO202/1_38-1; SO202/1_39-2; SO202/1_40-2; SO202/1_41-3; SO202/1_42-3; SO202/1_45-2; Sonne
    Type: Dataset
    Format: text/tab-separated-values, 433 data points
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  • 8
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    PANGAEA
    In:  Supplement to: Serno, Sascha; Winckler, Gisela; Anderson, Robert F; Hayes, Christopher T; McGee, David; Machalett, Björn; Ren, Haojia Abby; Straub, Susanne M; Gersonde, Rainer; Haug, Gerald H (2014): Eolian dust input to the Subarctic North Pacific. Earth and Planetary Science Letters, 387, 252-263, https://doi.org/10.1016/j.epsl.2013.11.008
    Publication Date: 2023-11-27
    Description: Eolian dust is a significant source of iron and other nutrients that are essential for the health of marine ecosystems and potentially a controlling factor of the high nutrient-low chlorophyll status of the Subarctic North Pacific. We map the spatial distribution of dust input using three different geochemical tracers of eolian dust, 4He, 232Th and rare earth elements, in combination with grain size distribution data, from a set of core-top sediments covering the entire Subarctic North Pacific. Using the suite of geochemical proxies to fingerprint different lithogenic components, we deconvolve eolian dust input from other lithogenic inputs such as volcanic ash, ice-rafted debris, riverine and hemipelagic input. While the open ocean sites far away from the volcanic arcs are dominantly composed of pure eolian dust, lithogenic components other than eolian dust play a more crucial role along the arcs. In sites dominated by dust, eolian dust input appears to be characterized by a nearly uniform grain size mode at ~4 µm. Applying the 230Th-normalization technique, our proxies yield a consistent pattern of uniform dust fluxes of 1-2 g/m**2/yr across the Subarctic North Pacific. Elevated eolian dust fluxes of 2-4 g/m**2/yr characterize the westernmost region off Japan and the southern Kurile Islands south of 45° N and west of 165° E along the main pathway of the westerly winds. The core-top based dust flux reconstruction is consistent with recent estimates based on dissolved thorium isotope concentrations in seawater from the Subarctic North Pacific. The dust flux pattern compares well with state-of-the-art dust model predictions in the western and central Subarctic North Pacific, but we find that dust fluxes are higher than modeled fluxes by 0.5-1 g/m**2/yr in the northwest, northeast and eastern Subarctic North Pacific. Our results provide an important benchmark for biogeochemical models and a robust approach for downcore studies testing dust-induced iron fertilization of past changes in biological productivity in the Subarctic North Pacific.
    Type: Dataset
    Format: application/zip, 4 datasets
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  • 9
    Publication Date: 2023-11-28
    Keywords: Alkaline extraction and molbydate blue spectrophotometry; Bering Sea; Calcium carbonate; Calcium carbonate, standard deviation; Calculated; Cerium; Coulometer CM5012 CO2; DEPTH, sediment/rock; Dysprosium; Elevation of event; Erbium; Europium; Event label; Gadolinium; Helium-3/Helium-4; Helium-3/Helium-4, standard deviation; Helium-4; Helium-4, standard deviation; Helium-4, terrestrial; Helium-4, terrestrial, standard deviation; Holmium; ICP-MS, VG Elemental Axiom; ICP-MS, VG-Plasma-Quad ExCell; INOPEX; Lanthanum; Latitude of event; Longitude of event; Lutetium; MUC; MultiCorer; Neodymium; Noble gas mass spectrometry; North Pacific Ocean; Opal, biogenic silica; Opal, biogenic silica, standard deviation; Praseodymium; Salinity; Salt content; Samarium; Sample mass; SO202/1; SO202/1_01-3; SO202/1_02-4; SO202/1_03-4; SO202/1_04-3; SO202/1_05-3; SO202/1_06-2; SO202/1_08-1; SO202/1_09-2; SO202/1_10-2; SO202/1_11-1; SO202/1_12-2; SO202/1_13-4; SO202/1_14-5; SO202/1_15-4; SO202/1_18-1; SO202/1_19-5; SO202/1_21-2; SO202/1_22-1; SO202/1_23-4; SO202/1_24-2; SO202/1_25-1; SO202/1_26-1; SO202/1_27-1; SO202/1_28-1; SO202/1_29-5; SO202/1_31-5; SO202/1_32-5; SO202/1_33-5; SO202/1_34-4; SO202/1_36-6; SO202/1_37-1; SO202/1_38-1; SO202/1_39-2; SO202/1_40-2; SO202/1_41-3; SO202/1_42-3; SO202/1_45-2; Sonne; Terbium; Thorium-230; Thorium-230, standard deviation; Thorium-232; Thorium-232, standard deviation; Thulium; Uranium-238; Uranium-238, standard deviation; Water loss per dry weight; Ytterbium
    Type: Dataset
    Format: text/tab-separated-values, 1293 data points
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  • 10
    facet.materialart.
    Unknown
    PANGAEA
    In:  Supplement to: Straub, Susanne M; Layne, Graham D (2003): The systematics of chlorine, fluorine, and water in Izu arc front volcanic rocks; implications for volatile recycling in subduction zones. Geochimica et Cosmochimica Acta, 67(21), 4179-4203, https://doi.org/10.1016/S0016-7037(03)00307-7
    Publication Date: 2024-01-09
    Description: We studied the systematics of Cl, F and H2O in Izu arc front volcanic rocks using basaltic through rhyolitic glass shards and melt inclusions (Izu glasses) from Oligocene to Quaternary distal fallout tephra. These glasses are low-K basalts to rhyolites that are equivalent to the Quaternary lavas of the Izu arc front (Izu VF). Most of the Izu glasses have Cl ~400-4000 ppm and F ~70-400 ppm (normal-group glasses). Rare andesitic melt inclusions (halogen-rich andesites; HRA) have very high abundances of Cl (~6600-8600 ppm) and F (~780-910 ppm), but their contents of incompatible large ion lithophile elements (LILE) are similar to the normal-group glasses. The preeruptive H2O of basalt to andesite melt inclusions in plagioclase is estimated to range from ~2 to ~10 wt% H2O. The Izu magmas should be undersaturated in H2O and the halogens at their preferred levels of crystallization in the middle to lower crust (~3 to ~11 kbar, ~820° to ~1200°C). A substantial portion of the original H2O is lost due to degassing during the final ascent to surface. By contrast, halogen loss is minor, except for loss of Cl from siliceous dacitic and rhyolitic compositions. The behavior of Cl, F and H2O in undegassed melts resembles the fluid mobile LILE (e.g.; K, Rb, Cs, Ba, U, Pb, Li). Most of the Cl (〉99%), H2O (〉95%) and F (〉53%) in the Izu VF melts appear to originate from the subducting slab. At arc front depths, the slab fluid contains Cl = 0.94+/-0.25 wt%, F = 990+/-270 ppm and H2O = 25+/-7 wt%. If the subducting sediment and the altered basaltic crust were the only slab sources, then the subducted Cl appears to be almost entirely recycled at the Izu arc (~77-129%). Conversely, H2O (~13-22% recycled at arc) and F (~4-6% recycled) must be either lost during shallow subduction or retained in the slab to greater depths. If a seawater-impregnated serpentinite layer below the basaltic crust were an additional source of Cl and H2O, the calculated percentage of Cl and H2O recycled at arc would be lower. Extrapolating the Izu data to the total length of global arcs (~37000 km), the global arc outflux of fluid-recycled Cl and H2O at subduction zones amounts to Cl ~2.9-3.8 mln ton/yr and H2O ~70-100 mln ton/yr, respectively - comparable to previous estimates. Further, we obtain a first estimate of global arc outflux of fluid-recycled F of ~0.3-0.4 mln ton/yr. Despite the inherent uncertainties, our results support models suggesting that the slab becomes strongly depleted in Cl and H2O in subduction zones. In contrast, much of the subducted F appears to be returned to the deep mantle, implying efficient fractionation of Cl and H2O from F during the subduction process. However, if slab devolatilization produces slab fluids with high Cl/F (~9.5), slab melting will still produce components with low Cl/F ratios (~0.9), similar to those characteristic of the upper continental crust (Cl/F ~0.3-0.9).
    Keywords: 125-782A; DRILL; Drilling/drill rig; Joides Resolution; Leg125; North Pacific Ocean; Ocean Drilling Program; ODP
    Type: Dataset
    Format: application/zip, 4 datasets
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