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  • 1
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    In:  EPIC3International Geological Congress Oslo 2008, (33rd IGC)to 2008-, 2008, pp. 08-14
    Publication Date: 2019-07-17
    Description: Fields of deep sea metalliferous and low-metalliferous sediments (MS) are halos of dispersion of submarine hydrothermal mineral-forming systems and carry information on these systems. Cores with MS are records of not only hydrothermal events but also of intensity and temporal variations of hydrothermal activity and associated mineral deposition. In MS accumulation rate of hydrothermal metal-bearing matter (HM) with correction for bottom currents reflects intensity of HM contribution to the ocean and intensity and amount of mineral formation and deposition. These properties of MS enable their use in reconstructing intensity and locations of hydrothermal activity and mineral formation in geological past and also in locating areas of present occurrence of buried mineral accumulations formed within hydrothermal fields.Hydrothermal Fe (Fe") is the best proxy for HM in MS. I have developed methods of reconstructions with use of Fe". They are based on observations that settling flux of Fe" from hydrothermal plumes and its accumulation rate (ARFe") in distal MS are quantitatively related with intensity of HM supply to the ocean and distance from hydrothermal vent areas and also affected by bottom currents.ARFe" in MS is a parameter for reconstructing intensity of hydrothermal activity and mineral formation in geological past. Its values in MS collected at coring and deep-sea drilling vary from place to place and along cores. Usually MS in the lower parts of the cores have accumulated earlier and closer to spreading axes than overlying ones. Therefore, to compare records of hydrothermal activity even in one core (and especially in many ones) techniques of correction for effects of plate motion and plate boundary migration are of great importance. ARFe" variations in MS from sections parallel or subparallel to spreading axes (along with mapping: if possible) enable reconstructing history of hydrothermal activity on these axes. Analysis of ARFe" isopleths in spatiotemporal dissection (data for each hole are plotted along its backtracked path) is a very productive approach. If direction of a bottom current is normal to a spreading axis, the method enables reconstructing positions of past and present areas of hydrothermal activity, estimating their relative intensities by calculating near-axial and axial ARFe", and reconstructing current directions. Areas of present locations of buried hydrothermal mineral accumulations can be found with some probability by calculating ARFe" in the lowermost parts of basal MS sequences. For other current directions a combination of ridge-parallel (ridge-subparallel) and 2-D temporal ridge-normal (ridge-subnormal) sections (sample ages are plotted on the Y axis and time since the beginning of sediment stratum formation on the X axis) can be used.The first experience of 0-12 Ma reconstructions and locating areas of mineralization in the SE Pacific has been successful. Cenozoic reconstructions for the East Pacific are planned.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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  • 2
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    In:  EPIC3Springer, Berlin, Heidelberg, 416 p., ISBN: 978-3-540-27869-6
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Book , peerRev
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  • 3
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    In:  EPIC3VI Symposium of the International Association on Genesis of Ore Deposits. Tbilisi, pp. 299-300
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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  • 4
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    In:  EPIC3Geology of Oceans and Seas, vol. 3. Moscow, IOAN, pp. 130-132
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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  • 5
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    In:  EPIC3X All-Union Symposium on Stable Isotopes in Geochemistry. Moscow, GEOKHI, pp. 187-188
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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  • 6
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    In:  EPIC3Deutsche Gesellschaft für Polarforschung,24. Internationale Polartagung 2010-09-06 bis 2010-09-10, Obergurgel.
    Publication Date: 2019-07-16
    Description: Das Alfred-Wegener-Institut betreibt seit 15 Jahren eine Datenbibliothek für die Erdsystemforschung, die nach dem Großkontinent benannt wurde, in dem vor 200 Millionen Jahren alle Kontinente vereint waren: PANGAEA. In diesem Sinne führt das System Daten von zur Zeit 80 000 Parametern aus der hohen Atmosphäre bis in die tiefe Erde aus allen Bereichen der Geosphäre zusammen. Die Georeferenzierung in Zeit und Raum, die konsistente Formatierung und modernste Datawarehouse-Technologie ermöglichen es beliebige Teilmengen aus dem Gesamtbestand in Sekunden zu extrahieren. Webservices verteilen die Inhalte als zitierfähige Einheiten über Suchmaschinen, Bibliothekskataloge und Portale. Teil eines jeden Datensatzzitates ist ein dauerhafter Identifikator (DOI) als langfristig zuverlässiger Verweis auf das digitale Objekt. In Kooperation mit Verlagen können Supplements zu Publikationen in Pangaea abgelegt werden und erscheinen dann automatisch auf der entsprechenden Seite der Zeitschrift. Das System kann aber auch selbst als Verlagssystem für die Publikation von Daten verwendet werden. Pangaea steht jedem Projekt, Institut oder einzelnen Wissenschaftlern für die Ablage ihrer Daten zur Verfügung. Entsprechend den Vorgaben der Zuwendungsgeber werden die Daten unter der Creative Commons Attribution Lizens im Open Access bereitgestellt.Im Rahmen der Datenarchäologie mit Pangaea werden Altdaten digitalisiert und maschinenlesbar zur freien Verfügung gestellt - 3 Beispiele:Im Internationalen Polarjahr wurden die bisher nicht elektronisch verfügbaren und somit wissenschaftliche kaum ausgewerteten Daten des ersten IPY (1882-1883) digitalisiert und 2010 auf CD publiziert.Alle Artikel der Zeitschrift Polarforschung wurden gescannt, mit einer Texterkennung verarbeitet und über das Publikationsrepository des AWI verfügbar gemacht. Polarforschung ist seit 2010-03 eine im Directory of Open Access Journals (DOAJ) eingetragene Zeitschrift. Alle in Polarforschung publizierten Daten wurden über Pangaea als elektronische Supplements erfaßt.Im Rahmen des ARCOD Projektes wird eine Bestandsaufnahme von Daten aus russischen Archiven durchgeführt. Im ersten Teil konnten im wesentlichen Daten aus der Arktis digitalisiert werden und mit den verfügbaren Metadaten, z.T. ins englische übersetzt, über Pangaea international zur Verfügung gestellt werden.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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  • 7
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    In:  EPIC3VIII All-Union Symposium on Stable Isotopes in Geochemistry. Moscow, GEOKHI, pp. 379-380
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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  • 8
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    In:  EPIC3Evolution of Sedimentary Process in Continents and Oceans, Novosibirsk, pp. 208-209
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
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  • 9
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    In:  EPIC3XIV Pacific Science Congress. Committee F, Section FIV. Moscow, Nauka (Science), pp. 43-44
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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  • 10
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    In:  EPIC3XIV Pacific Science Congress. Committee F, Section FIV. Moscow, Nauka (Science), pp. 42-43
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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