Dyking at EPR 16°N hypermagmatic ridge segment: Insights from near-seafloor magnetics

Earth and Planetary Science Letters - Tập 453 - Trang 288-297 - 2016
Florent Szitkar1, Jérôme Dyment2, Morgane Le Saout3, Chie Honsho4, Pascal Gente3
1GEOMAR Helmholtz Centre for Ocean Research Kiel, Germany
2Institut de Physique du Globe de Paris, CNRS et Université Sorbonne Paris-Cité, Paris, France
3Université de Bretagne Occidentale and CNRS, Brest, France
4International Research Institute of Disaster Science (IRIDeS), Tohoku University, Sendai, Japan

Tài liệu tham khảo

Caratori Tontini, 2012, Crustal magnetization of Brothers Volcano, New Zealand, measured by autonomous underwater vehicles: geophysical expression of a submarine hydrothermal system, Econ. Geol., 107, 1571, 10.2113/econgeo.107.8.1571 Caratori Tontini, 2012, 3-D focused inversion of near-seafloor magnetic data with application to the Brothers volcano hydrothermal system, southern Pacific Ocean, New Zealand, J. Geophys. Res., 117, 10.1029/2012JB009349 Carbotte, 1998, Influence of magma supply and spreading rate on crustal magma bodies and emplacement of the extrusive layer: insights from the East Pacific Rise at lat. 16°N, Geology, 26, 455, 10.1130/0091-7613(1998)026<0455:IOMSAS>2.3.CO;2 Carbotte, 2000, Evaluation of morphological indicators of magma supply and segmentation from a seismic reflection study of the East Pacific Rise 15°30'–17°N, J. Geophys. Res., 105, 2737, 10.1029/1999JB900245 Carlut, 2004, Timing of volcanism along the northern East Pacific Rise based on paleointensity experiments on basaltic glasses, J. Geophys. Res., 109, 1978, 10.1029/2003JB002672 Gee, 1994, Variations in layer 2A thickness and the origin of the central anomaly high, Geophys. Res. Lett., 21, 297, 10.1029/93GL03422 Gee, 1996, Marine magnetic anomalies as recorders of geomagnetic intensity variations, Earth Planet. Sci. Lett., 144, 327, 10.1016/S0012-821X(96)00184-7 Guspi, 1987, Frequency-domain reduction of potential field measurements to a horizontal plane, Geoexploration, 24, 87, 10.1016/0016-7142(87)90083-4 Honsho, 2009, Magnetic structure of a slow-spreading ridge segment: insight from near-bottom magnetic measurements onboard a submersible, J. Geophys. Res., 114, 10.1029/2008JB005915 Honsho, 2013, Deep-sea magnetic vector anomalies over the Hakurei hydrothermal field and the Bayonnaise knoll caldera, Izu-Ogasawara arc, Japan, J. Geophys. Res., 118, 5147, 10.1002/jgrb.50382 Honsho, 2012, The inversion of deep-sea magnetic anomalies using Akaike's Bayesian information criterion, J. Geophys. Res., 117, 10.1029/2011JB008611 Hussenoeder, 1995, Direct inversion of potential fields from an uneven track with application to the Mid-Atlantic Ridge, Geophys. Res. Lett., 22, 3131, 10.1029/95GL03326 International Association of Geomagnetism and Aeronomy (IAGA) Working Group V-MOD, 2010, International geomagnetic reference field: the eleventh generation, Geophys. J. Int., 183, 1216, 10.1111/j.1365-246X.2010.04804.x Isezaki, 1986, A new shipboard three-component magnetometer, Geophysics, 51, 1992, 10.1190/1.1442054 Klitgord, 1976, Sea-floor spreading: the central anomaly magnetization high, Earth Planet. Sci. Lett., 29, 201, 10.1016/0012-821X(76)90040-6 Le Saout, 2014, Segmentation and eruptive activity along the East Pacific Rise at 16°N, in relation with the nearby mathematician hotspot, Geochem. Geophys. Geosyst., 15, 4380, 10.1002/2014GC005560 Macdonald, 1982, Mid-ocean ridges; fine scale tectonics, volcanic and hydrothermal processes within the plate boundary zone, Annu. Rev. Earth Planet. Sci., 10, 155, 10.1146/annurev.ea.10.050182.001103 Macdonald, 1992, The East Pacific rise and its flanks 8–18°N: history of segmentation, propagation and spreading direction based on SeaMARC II and Sea Beam studies, Mar. Geophys. Res., 14, 299, 10.1007/BF01203621 Mougel, 2015, A “high 4He/3He” mantle material detected under the East Pacific Rise (15°4′N), Geophys. Res. Lett., 42, 1375, 10.1002/2014GL062921 Parker, 1974, The inversion of magnetic anomalies in the presence of topography, J. Geophys. Res., 79, 1587, 10.1029/JB079i011p01587 Scheirer, 1995, Near-axis seamounts on the flanks of the East Pacific Rise 8–17°N, J. Geophys. Res., 100, 2239, 10.1029/94JB02769 Schouten, 1999, Central anomaly magnetization high: constraints on the volcanic construction and architecture of seismic layer 2A at a fast-spreading mid-ocean ridge, the EPR at 9°30′–50′n, Earth Planet. Sci. Lett., 169, 37, 10.1016/S0012-821X(99)00063-1 Shah, 2006, The rise and fall of axial highs during ridge jumps, J. Geophys. Res., 111, 10.1029/2005JB003657 Shah, 2003, Episodic dike swarms inferred from near-bottom magnetic anomaly maps at the southern East Pacific Rise, J. Geophys. Res., 108, 10.1029/2001JB000564 Soule, 2009, A record of eruption and intrusion at a fast spreading ridge axis: axial summit trough of the East Pacific Rise at 9–10°N, Geochem. Geophys. Geosyst., 10, 10.1029/2008GC002354 Szitkar, 2015, Near-seafloor magnetics reveal tectonic rotation and deep structure at TAG (Trans-Atlantic Geotraverse) hydrothermal site (Mid-Atlantic Ridge, 26°N), Geology, 43, 87, 10.1130/G36086.1 Szitkar, 2014, What causes low magnetization at basalt-hosted hydrothermal sites? Insights from inactive site Krasnov (MAR, 16°38′N), Geochem. Geophys. Geosyst., 15, 1441, 10.1002/2014GC005284 Szitkar, 2014, The magnetic signature of ultramafic-hosted hydrothermal sites, Geology, 42, 715, 10.1130/G35729.1 Szitkar, 2015, High-resolution magnetics reveal the deep structure of a volcanic arc-related basalt-hosted hydrothermal site (Palinuro, Tyrrhenian Sea), Geochem. Geophys. Geosyst., 16, 10.1002/2015GC005769 Tivey, 1987, The central anomaly magnetic high: implications for ocean crust construction and evolution, J. Geophys. Res., 92, 12685, 10.1029/JB092iB12p12685 Vera, 1990, The structure of 0 to 0.2 m.y.-old oceanic crust at 9°N on the East Pacific Rise from expanding spread profiles, J. Geophys. Res., 95, 15,529, 10.1029/JB095iB10p15529 Weiland, 1996, Geophysical study of the East Pacific Rise 15°N–17°N: an unusually robust segment, J. Geophys. Res., Solid Earth, 101, 20257, 10.1029/96JB01756