2006 - Member of Academia Europaea
John Ludden mostly deals with Geochemistry, Basalt, Subduction, Archean and Oceanic crust. His study ties his expertise on Seafloor spreading together with the subject of Geochemistry. The various areas that John Ludden examines in his Seafloor spreading study include Saponite, Isotope fractionation and Mantle.
His Basalt research integrates issues from Seawater, Hydrothermal circulation, Mid-Atlantic Ridge and Weathering. His study in Subduction is interdisciplinary in nature, drawing from both Lithosphere and Crust. John Ludden interconnects Suture and Plate tectonics in the investigation of issues within Archean.
His primary areas of investigation include Geochemistry, Basalt, Archean, Mantle and Crust. His Geochemistry research includes themes of Subduction and Hydrothermal circulation. His Subduction study combines topics in areas such as Continental crust and Plate tectonics.
His Basalt study integrates concerns from other disciplines, such as Andesite, Lava, Rhyolite and Weathering. His Archean research is multidisciplinary, relying on both Accretion and Tectonics, Pluton, Terrane. He works mostly in the field of Mantle, limiting it down to topics relating to Hotspot and, in certain cases, Mantle wedge, as a part of the same area of interest.
His main research concerns Geochemistry, Basalt, Oceanic crust, Hydrothermal circulation and Mantle. His Crust study, which is part of a larger body of work in Geochemistry, is frequently linked to Sulfate, bridging the gap between disciplines. His studies deal with areas such as Orogeny, Tectonics, Petrology and Archean as well as Crust.
His Oceanic crust study combines topics from a wide range of disciplines, such as Seismic wave, Igneous rock, Partial melting, Seafloor spreading and Mantle plume. His Hydrothermal circulation research incorporates themes from Seawater, Mineralogy, Isotope fractionation and Ultramafic rock. His work deals with themes such as Volcano, Greenstone belt, Earth science and Transition zone, which intersect with Lithosphere.
His primary areas of study are Geochemistry, Basalt, Oceanic crust, Hydrothermal circulation and Seafloor spreading. His Basalt study deals with Seawater intersecting with Breccia and Pyrite. He has researched Oceanic crust in several fields, including Saponite, Isotope fractionation, Weathering and Crust.
His Crust study combines topics in areas such as Trace element and La icp ms. In his work, Isotopes of copper, Ultramafic rock and Mid-Atlantic Ridge is strongly intertwined with Mineralogy, which is a subfield of Hydrothermal circulation. His Seafloor spreading research is multidisciplinary, relying on both Celadonite, Ocean island basalt, Mantle plume, Lithosphere and Mantle.
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Composition of altered oceanic crust at ODP Sites 801 and 1149
Katherine A. Kelley;Terry Plank;John Ludden;Hubert Staudigel.
Geochemistry Geophysics Geosystems (2003)
Archaean subduction inferred from seismic images of a mantle suture in the Superior Province
A. J. Calvert;E. W. Sawyer;W. J. Davis;W. J. Davis;J. N. Ludden.
An evaluation of the behavior of the rare earth elements during the weathering of sea-floor basalt
John N. Ludden;Geoffrey Thompson.
Earth and Planetary Science Letters (1979)
Uranium-lead isotopic ages of plagiogranites from the Troodos ophiolite, Cyprus, and their tectonic significance
Samuel B. Mukasa;John N. Ludden.
Archean metavolcanics from the Rouyn - Noranda district, Abitibi greenstone belt, Quebec. 2. Mobility of trace elements and petrogenetic constraints.
John Ludden;Léopold Gélinas;Pierre Trudel.
Canadian Journal of Earth Sciences (1982)
Iron isotope fractionation during oceanic crust alteration
Olivier Rouxel;Nicolas Dobbek;John Ludden;Yves Fouquet.
Chemical Geology (2003)
Subsurface processes at the lucky strike hydrothermal field, Mid-Atlantic ridge: evidence from sulfur, selenium, and iron isotopes
Olivier Rouxel;Yves Fouquet;John N Ludden.
Geochimica et Cosmochimica Acta (2004)
Compositional variation in normal MORB from 22°–25°N: Mid‐Atlantic Ridge and Kane Fracture Zone
W. B. Bryan;G. Thompson;J. N. Ludden.
Journal of Geophysical Research (1981)
Lead geochronology of zircon by LaserProbe-inductively coupled plasma mass spectrometry (LP-ICPMS)
Rui Feng;Nuno Machado;John Ludden.
Geochimica et Cosmochimica Acta (1993)
ARCHEAN CONTINENTAL ASSEMBLY IN THE SOUTHEASTERN SUPERIOR PROVINCE OF CANADA
A. J. Calvert;J. N. Ludden.
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