Zobrazeno 1 - 10
of 14
pro vyhledávání: '"J. Kopf"'
Publikováno v:
Progress in Earth and Planetary Science, Vol 5, Iss 1, Pp 1-15 (2018)
Progress in Earth and Planetary Science
Progress in Earth and Planetary Science
Noble gas abundance and isotope data from 12 drilling mud gas samples obtained during IODP Expeditions 338 and 348 provide new insights on fluid origin and fluid migration in the inner accretionary prism below the Kumano forearc basin offshore SE Jap
Autor:
Tomohiro Toki, Andre Hüpers, C. Geoffrey Wheat, Ryuichi Shinjo, Achim J Kopf, Simone A Kasemann, Anette Meixner, Chen-Feng You
Publikováno v:
Geochimica et Cosmochimica Acta. 193:100-118
Compositional changes, dehydration reactions and fluid flow in subducted sediments influence seismogenesis and arc magmatism in subduction zones. To identify fluid flow and water–rock interaction processes in the western Nankai Trough subduction zo
Publikováno v:
Geological Society of America Abstracts with Programs.
Autor:
Jiangong Wei, Timo Fleischmann, Gerhard Bohrmann, Paul Wintersteller, Patrizia Geprägs, Sebastian Hammerschmidt, Achim J Kopf, Thomas Pape
Publikováno v:
Geochemistry, Geophysics, Geosystems. 15:2180-2194
Twelve submarine mud volcanoes (MV) in the Kumano forearc basin within the Nankai Trough subduction zone were investigated for hydrocarbon origins and fluid dynamics. Gas hydrates diagnostic for methane concentrations exceeding solubilities were reco
Publikováno v:
Geochemistry, Geophysics, Geosystems. 14:2716-2730
[1] The mechanical behavior of the plate boundary fault zone is of paramount importance in subduction zones, because it controls megathrust earthquake nucleation and propagation as well as the structural style of the forearc. In the Nankai area along
Publikováno v:
The Island Arc. 13:258-270
Interstitial pore waters from Ocean Drilling Program Site 1150, where ∼1200 m of sub-sea-floor sediment from the upper Japan Trench forearc were recovered, were analyzed for element concentrations and Cl, Sr and B isotopes. Although chlorinity show
Autor:
Achim J Kopf, Maria Vera Susanna Ask
Publikováno v:
The Island Arc. 13:242-257
The Japan Trench forearc offshore Honshu Island in northeast Japan, where the 130-m.y.-old Pacific oceanic plate is presently subducted, was drilled during the Ocean Drilling Program Leg 186. Resul ...
Publikováno v:
The Island Arc. 13:271-288
Fluids and sediments from Deep Sea Drilling Project/Ocean Drilling Program Legs (56, 57, 87 and 186) along a transect extending from the subducting plate, across the midslope and upper slope of the Japan Trench forearc were analyzed for B and B isoto
Publikováno v:
Journal of Petrology. 44:1211-1236
The enrichment of boron relative to similarly incompatible elements, such as Be, in arc volcanic rocks has been used as a proxy for the involvement of slab flux in petrogenesis. New ion microprobe analyses of single glass shards in tephra layers reco
Autor:
Annette Deyhle, Achim J Kopf
Publikováno v:
Marine Geology. 183:1-15
Interstitial pore waters from Ocean Drilling Program (ODP) Sites 1150 and 1151, both penetrating ∼1200 m of sub-seafloor sediment from the upper Japan Trench forearc, were analyzed for B concentrations and δ 11 B isotopes. B concentrations cover a